CVE-2021-47300 Vulnerability Analysis & Exploit Details

CVE-2021-47300
Vulnerability Scoring

5.5
/10
Significant Risk

Security assessments indicate that CVE-2021-47300 presents a notable risk, potentially requiring prompt mitigation.

Attack Complexity Details

  • Attack Complexity: Low
    Exploits can be performed without significant complexity or special conditions.
  • Attack Vector: Local
    Vulnerability requires local system access.
  • Privileges Required: Low
    Some privileges are necessary to exploit the vulnerability.
  • Scope: Unchanged
    Exploit remains within the originally vulnerable component.
  • User Interaction: None
    No user interaction is necessary for exploitation.

CVE-2021-47300 Details

Status: Analyzed

Last updated: 🕣 26 Dec 2024, 20:44 UTC
Originally published on: 🕒 21 May 2024, 15:15 UTC

Time between publication and last update: 219 days

CVSS Release: version 3

CVSS3 Source

nvd@nist.gov

CVSS3 Type

Primary

CVSS3 Vector

CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H

CVE-2021-47300 Vulnerability Summary

CVE-2021-47300: In the Linux kernel, the following vulnerability has been resolved: bpf: Fix tail_call_reachable rejection for interpreter when jit failed During testing of f263a81451c1 ("bpf: Track subprog poke descriptors correctly and fix use-after-free") under various failure conditions, for example, when jit_subprogs() fails and tries to clean up the program to be run under the interpreter, we ran into the following freeze: [...] #127/8 tailcall_bpf2bpf_3:FAIL [...] [ 92.041251] BUG: KASAN: slab-out-of-bounds in ___bpf_prog_run+0x1b9d/0x2e20 [ 92.042408] Read of size 8 at addr ffff88800da67f68 by task test_progs/682 [ 92.043707] [ 92.044030] CPU: 1 PID: 682 Comm: test_progs Tainted: G O 5.13.0-53301-ge6c08cb33a30-dirty #87 [ 92.045542] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS 1.13.0-1ubuntu1 04/01/2014 [ 92.046785] Call Trace: [ 92.047171] ? __bpf_prog_run_args64+0xc0/0xc0 [ 92.047773] ? __bpf_prog_run_args32+0x8b/0xb0 [ 92.048389] ? __bpf_prog_run_args64+0xc0/0xc0 [ 92.049019] ? ktime_get+0x117/0x130 [...] // few hundred [similar] lines more [ 92.659025] ? ktime_get+0x117/0x130 [ 92.659845] ? __bpf_prog_run_args64+0xc0/0xc0 [ 92.660738] ? __bpf_prog_run_args32+0x8b/0xb0 [ 92.661528] ? __bpf_prog_run_args64+0xc0/0xc0 [ 92.662378] ? print_usage_bug+0x50/0x50 [ 92.663221] ? print_usage_bug+0x50/0x50 [ 92.664077] ? bpf_ksym_find+0x9c/0xe0 [ 92.664887] ? ktime_get+0x117/0x130 [ 92.665624] ? kernel_text_address+0xf5/0x100 [ 92.666529] ? __kernel_text_address+0xe/0x30 [ 92.667725] ? unwind_get_return_address+0x2f/0x50 [ 92.668854] ? ___bpf_prog_run+0x15d4/0x2e20 [ 92.670185] ? ktime_get+0x117/0x130 [ 92.671130] ? __bpf_prog_run_args64+0xc0/0xc0 [ 92.672020] ? __bpf_prog_run_args32+0x8b/0xb0 [ 92.672860] ? __bpf_prog_run_args64+0xc0/0xc0 [ 92.675159] ? ktime_get+0x117/0x130 [ 92.677074] ? lock_is_held_type+0xd5/0x130 [ 92.678662] ? ___bpf_prog_run+0x15d4/0x2e20 [ 92.680046] ? ktime_get+0x117/0x130 [ 92.681285] ? __bpf_prog_run32+0x6b/0x90 [ 92.682601] ? __bpf_prog_run64+0x90/0x90 [ 92.683636] ? lock_downgrade+0x370/0x370 [ 92.684647] ? mark_held_locks+0x44/0x90 [ 92.685652] ? ktime_get+0x117/0x130 [ 92.686752] ? lockdep_hardirqs_on+0x79/0x100 [ 92.688004] ? ktime_get+0x117/0x130 [ 92.688573] ? __cant_migrate+0x2b/0x80 [ 92.689192] ? bpf_test_run+0x2f4/0x510 [ 92.689869] ? bpf_test_timer_continue+0x1c0/0x1c0 [ 92.690856] ? rcu_read_lock_bh_held+0x90/0x90 [ 92.691506] ? __kasan_slab_alloc+0x61/0x80 [ 92.692128] ? eth_type_trans+0x128/0x240 [ 92.692737] ? __build_skb+0x46/0x50 [ 92.693252] ? bpf_prog_test_run_skb+0x65e/0xc50 [ 92.693954] ? bpf_prog_test_run_raw_tp+0x2d0/0x2d0 [ 92.694639] ? __fget_light+0xa1/0x100 [ 92.695162] ? bpf_prog_inc+0x23/0x30 [ 92.695685] ? __sys_bpf+0xb40/0x2c80 [ 92.696324] ? bpf_link_get_from_fd+0x90/0x90 [ 92.697150] ? mark_held_locks+0x24/0x90 [ 92.698007] ? lockdep_hardirqs_on_prepare+0x124/0x220 [ 92.699045] ? finish_task_switch+0xe6/0x370 [ 92.700072] ? lockdep_hardirqs_on+0x79/0x100 [ 92.701233] ? finish_task_switch+0x11d/0x370 [ 92.702264] ? __switch_to+0x2c0/0x740 [ 92.703148] ? mark_held_locks+0x24/0x90 [ 92.704155] ? __x64_sys_bpf+0x45/0x50 [ 92.705146] ? do_syscall_64+0x35/0x80 [ 92.706953] ? entry_SYSCALL_64_after_hwframe+0x44/0xae [...] Turns out that the program rejection from e411901c0b77 ("bpf: allow for tailcalls in BPF subprograms for x64 JIT") is buggy since env->prog->aux->tail_call_reachable is never true. Commit ebf7d1f508a7 ("bpf, x64: rework pro/epilogue and tailcall handling in JIT") added a tracker into check_max_stack_depth() which propagates the tail_call_reachable condition throughout the subprograms. This info is then assigned to the subprogram's ---truncated---

Assessing the Risk of CVE-2021-47300

Access Complexity Graph

The exploitability of CVE-2021-47300 depends on two key factors: attack complexity (the level of effort required to execute an exploit) and privileges required (the access level an attacker needs).

Exploitability Analysis for CVE-2021-47300

CVE-2021-47300 presents an accessible attack vector with minimal effort required. Restricting access controls and implementing security updates are critical to reducing exploitation risks.

Understanding AC and PR

A lower complexity and fewer privilege requirements make exploitation easier. Security teams should evaluate these aspects to determine the urgency of mitigation strategies, such as patch management and access control policies.

Attack Complexity (AC) measures the difficulty in executing an exploit. A high AC means that specific conditions must be met, making an attack more challenging, while a low AC means the vulnerability can be exploited with minimal effort.

Privileges Required (PR) determine the level of system access necessary for an attack. Vulnerabilities requiring no privileges are more accessible to attackers, whereas high privilege requirements limit exploitation to authorized users with elevated access.

CVSS Score Breakdown Chart

Above is the CVSS Sub-score Breakdown for CVE-2021-47300, illustrating how Base, Impact, and Exploitability factors combine to form the overall severity rating. A higher sub-score typically indicates a more severe or easier-to-exploit vulnerability.

CIA Impact Analysis

Below is the Impact Analysis for CVE-2021-47300, showing how Confidentiality, Integrity, and Availability might be affected if the vulnerability is exploited. Higher values usually signal greater potential damage.

  • Confidentiality: None
    CVE-2021-47300 has no significant impact on data confidentiality.
  • Integrity: None
    CVE-2021-47300 poses no threat to data integrity.
  • Availability: High
    CVE-2021-47300 can disrupt system operations, potentially causing complete denial of service (DoS).

Exploit Prediction Scoring System (EPSS)

The EPSS score estimates the probability that this vulnerability will be exploited in the near future.

EPSS Score: 0.042% (probability of exploit)

EPSS Percentile: 5.07% (lower percentile = lower relative risk)
This vulnerability is less risky than approximately 94.93% of others.

CVE-2021-47300 References

External References

CWE Common Weakness Enumeration

CWE-125

CAPEC Common Attack Pattern Enumeration and Classification

  • Overread Buffers CAPEC-540 An adversary attacks a target by providing input that causes an application to read beyond the boundary of a defined buffer. This typically occurs when a value influencing where to start or stop reading is set to reflect positions outside of the valid memory location of the buffer. This type of attack may result in exposure of sensitive information, a system crash, or arbitrary code execution.

Vulnerable Configurations

  • cpe:2.3:o:linux:linux_kernel:5.10:-:*:*:*:*:*:*
    cpe:2.3:o:linux:linux_kernel:5.10:-:*:*:*:*:*:*
  • cpe:2.3:o:linux:linux_kernel:5.10.0:-:*:*:*:*:*:*
    cpe:2.3:o:linux:linux_kernel:5.10.0:-:*:*:*:*:*:*
  • cpe:2.3:o:linux:linux_kernel:5.10.0:rc1:*:*:*:*:*:*
    cpe:2.3:o:linux:linux_kernel:5.10.0:rc1:*:*:*:*:*:*
  • cpe:2.3:o:linux:linux_kernel:5.10.0:rc2:*:*:*:*:*:*
    cpe:2.3:o:linux:linux_kernel:5.10.0:rc2:*:*:*:*:*:*
  • cpe:2.3:o:linux:linux_kernel:5.10.0:rc3:*:*:*:*:*:*
    cpe:2.3:o:linux:linux_kernel:5.10.0:rc3:*:*:*:*:*:*
  • cpe:2.3:o:linux:linux_kernel:5.10.0:rc4:*:*:*:*:*:*
    cpe:2.3:o:linux:linux_kernel:5.10.0:rc4:*:*:*:*:*:*
  • cpe:2.3:o:linux:linux_kernel:5.10.0:rc5:*:*:*:*:*:*
    cpe:2.3:o:linux:linux_kernel:5.10.0:rc5:*:*:*:*:*:*
  • cpe:2.3:o:linux:linux_kernel:5.10.1:*:*:*:*:*:*:*
    cpe:2.3:o:linux:linux_kernel:5.10.1:*:*:*:*:*:*:*
  • cpe:2.3:o:linux:linux_kernel:5.10.2:*:*:*:*:*:*:*
    cpe:2.3:o:linux:linux_kernel:5.10.2:*:*:*:*:*:*:*
  • cpe:2.3:o:linux:linux_kernel:5.10.3:*:*:*:*:*:*:*
    cpe:2.3:o:linux:linux_kernel:5.10.3:*:*:*:*:*:*:*
  • cpe:2.3:o:linux:linux_kernel:5.10.4:*:*:*:*:*:*:*
    cpe:2.3:o:linux:linux_kernel:5.10.4:*:*:*:*:*:*:*
  • cpe:2.3:o:linux:linux_kernel:5.10.5:*:*:*:*:*:*:*
    cpe:2.3:o:linux:linux_kernel:5.10.5:*:*:*:*:*:*:*
  • cpe:2.3:o:linux:linux_kernel:5.10.6:*:*:*:*:*:*:*
    cpe:2.3:o:linux:linux_kernel:5.10.6:*:*:*:*:*:*:*
  • cpe:2.3:o:linux:linux_kernel:5.10.7:*:*:*:*:*:*:*
    cpe:2.3:o:linux:linux_kernel:5.10.7:*:*:*:*:*:*:*
  • cpe:2.3:o:linux:linux_kernel:5.10.8:*:*:*:*:*:*:*
    cpe:2.3:o:linux:linux_kernel:5.10.8:*:*:*:*:*:*:*
  • cpe:2.3:o:linux:linux_kernel:5.10.9:*:*:*:*:*:*:*
    cpe:2.3:o:linux:linux_kernel:5.10.9:*:*:*:*:*:*:*
  • cpe:2.3:o:linux:linux_kernel:5.10.10:*:*:*:*:*:*:*
    cpe:2.3:o:linux:linux_kernel:5.10.10:*:*:*:*:*:*:*
  • cpe:2.3:o:linux:linux_kernel:5.10.11:*:*:*:*:*:*:*
    cpe:2.3:o:linux:linux_kernel:5.10.11:*:*:*:*:*:*:*
  • cpe:2.3:o:linux:linux_kernel:5.10.12:*:*:*:*:*:*:*
    cpe:2.3:o:linux:linux_kernel:5.10.12:*:*:*:*:*:*:*
  • cpe:2.3:o:linux:linux_kernel:5.10.13:*:*:*:*:*:*:*
    cpe:2.3:o:linux:linux_kernel:5.10.13:*:*:*:*:*:*:*
  • cpe:2.3:o:linux:linux_kernel:5.10.14:*:*:*:*:*:*:*
    cpe:2.3:o:linux:linux_kernel:5.10.14:*:*:*:*:*:*:*
  • cpe:2.3:o:linux:linux_kernel:5.10.15:*:*:*:*:*:*:*
    cpe:2.3:o:linux:linux_kernel:5.10.15:*:*:*:*:*:*:*
  • cpe:2.3:o:linux:linux_kernel:5.10.16:*:*:*:*:*:*:*
    cpe:2.3:o:linux:linux_kernel:5.10.16:*:*:*:*:*:*:*
  • cpe:2.3:o:linux:linux_kernel:5.10.17:*:*:*:*:*:*:*
    cpe:2.3:o:linux:linux_kernel:5.10.17:*:*:*:*:*:*:*
  • cpe:2.3:o:linux:linux_kernel:5.10.18:*:*:*:*:*:*:*
    cpe:2.3:o:linux:linux_kernel:5.10.18:*:*:*:*:*:*:*
  • cpe:2.3:o:linux:linux_kernel:5.10.19:*:*:*:*:*:*:*
    cpe:2.3:o:linux:linux_kernel:5.10.19:*:*:*:*:*:*:*
  • cpe:2.3:o:linux:linux_kernel:5.10.20:*:*:*:*:*:*:*
    cpe:2.3:o:linux:linux_kernel:5.10.20:*:*:*:*:*:*:*
  • cpe:2.3:o:linux:linux_kernel:5.10.21:*:*:*:*:*:*:*
    cpe:2.3:o:linux:linux_kernel:5.10.21:*:*:*:*:*:*:*
  • cpe:2.3:o:linux:linux_kernel:5.10.22:*:*:*:*:*:*:*
    cpe:2.3:o:linux:linux_kernel:5.10.22:*:*:*:*:*:*:*
  • cpe:2.3:o:linux:linux_kernel:5.10.23:*:*:*:*:*:*:*
    cpe:2.3:o:linux:linux_kernel:5.10.23:*:*:*:*:*:*:*
  • cpe:2.3:o:linux:linux_kernel:5.10.24:*:*:*:*:*:*:*
    cpe:2.3:o:linux:linux_kernel:5.10.24:*:*:*:*:*:*:*
  • cpe:2.3:o:linux:linux_kernel:5.10.25:*:*:*:*:*:*:*
    cpe:2.3:o:linux:linux_kernel:5.10.25:*:*:*:*:*:*:*
  • cpe:2.3:o:linux:linux_kernel:5.10.26:*:*:*:*:*:*:*
    cpe:2.3:o:linux:linux_kernel:5.10.26:*:*:*:*:*:*:*
  • cpe:2.3:o:linux:linux_kernel:5.10.27:*:*:*:*:*:*:*
    cpe:2.3:o:linux:linux_kernel:5.10.27:*:*:*:*:*:*:*
  • cpe:2.3:o:linux:linux_kernel:5.10.28:*:*:*:*:*:*:*
    cpe:2.3:o:linux:linux_kernel:5.10.28:*:*:*:*:*:*:*
  • cpe:2.3:o:linux:linux_kernel:5.10.29:*:*:*:*:*:*:*
    cpe:2.3:o:linux:linux_kernel:5.10.29:*:*:*:*:*:*:*
  • cpe:2.3:o:linux:linux_kernel:5.10.30:*:*:*:*:*:*:*
    cpe:2.3:o:linux:linux_kernel:5.10.30:*:*:*:*:*:*:*
  • cpe:2.3:o:linux:linux_kernel:5.10.31:*:*:*:*:*:*:*
    cpe:2.3:o:linux:linux_kernel:5.10.31:*:*:*:*:*:*:*
  • cpe:2.3:o:linux:linux_kernel:5.10.32:*:*:*:*:*:*:*
    cpe:2.3:o:linux:linux_kernel:5.10.32:*:*:*:*:*:*:*
  • cpe:2.3:o:linux:linux_kernel:5.10.33:*:*:*:*:*:*:*
    cpe:2.3:o:linux:linux_kernel:5.10.33:*:*:*:*:*:*:*
  • cpe:2.3:o:linux:linux_kernel:5.10.34:*:*:*:*:*:*:*
    cpe:2.3:o:linux:linux_kernel:5.10.34:*:*:*:*:*:*:*
  • cpe:2.3:o:linux:linux_kernel:5.10.35:*:*:*:*:*:*:*
    cpe:2.3:o:linux:linux_kernel:5.10.35:*:*:*:*:*:*:*
  • cpe:2.3:o:linux:linux_kernel:5.10.36:*:*:*:*:*:*:*
    cpe:2.3:o:linux:linux_kernel:5.10.36:*:*:*:*:*:*:*
  • cpe:2.3:o:linux:linux_kernel:5.10.37:*:*:*:*:*:*:*
    cpe:2.3:o:linux:linux_kernel:5.10.37:*:*:*:*:*:*:*
  • cpe:2.3:o:linux:linux_kernel:5.10.38:*:*:*:*:*:*:*
    cpe:2.3:o:linux:linux_kernel:5.10.38:*:*:*:*:*:*:*
  • cpe:2.3:o:linux:linux_kernel:5.10.39:*:*:*:*:*:*:*
    cpe:2.3:o:linux:linux_kernel:5.10.39:*:*:*:*:*:*:*
  • cpe:2.3:o:linux:linux_kernel:5.10.40:*:*:*:*:*:*:*
    cpe:2.3:o:linux:linux_kernel:5.10.40:*:*:*:*:*:*:*
  • cpe:2.3:o:linux:linux_kernel:5.10.41:*:*:*:*:*:*:*
    cpe:2.3:o:linux:linux_kernel:5.10.41:*:*:*:*:*:*:*
  • cpe:2.3:o:linux:linux_kernel:5.10.42:*:*:*:*:*:*:*
    cpe:2.3:o:linux:linux_kernel:5.10.42:*:*:*:*:*:*:*
  • cpe:2.3:o:linux:linux_kernel:5.10.43:*:*:*:*:*:*:*
    cpe:2.3:o:linux:linux_kernel:5.10.43:*:*:*:*:*:*:*
  • cpe:2.3:o:linux:linux_kernel:5.10.44:*:*:*:*:*:*:*
    cpe:2.3:o:linux:linux_kernel:5.10.44:*:*:*:*:*:*:*
  • cpe:2.3:o:linux:linux_kernel:5.10.45:*:*:*:*:*:*:*
    cpe:2.3:o:linux:linux_kernel:5.10.45:*:*:*:*:*:*:*
  • cpe:2.3:o:linux:linux_kernel:5.10.46:*:*:*:*:*:*:*
    cpe:2.3:o:linux:linux_kernel:5.10.46:*:*:*:*:*:*:*
  • cpe:2.3:o:linux:linux_kernel:5.10.47:*:*:*:*:*:*:*
    cpe:2.3:o:linux:linux_kernel:5.10.47:*:*:*:*:*:*:*
  • cpe:2.3:o:linux:linux_kernel:5.10.48:*:*:*:*:*:*:*
    cpe:2.3:o:linux:linux_kernel:5.10.48:*:*:*:*:*:*:*
  • cpe:2.3:o:linux:linux_kernel:5.10.49:*:*:*:*:*:*:*
    cpe:2.3:o:linux:linux_kernel:5.10.49:*:*:*:*:*:*:*
  • cpe:2.3:o:linux:linux_kernel:5.10.50:*:*:*:*:*:*:*
    cpe:2.3:o:linux:linux_kernel:5.10.50:*:*:*:*:*:*:*
  • cpe:2.3:o:linux:linux_kernel:5.10.51:*:*:*:*:*:*:*
    cpe:2.3:o:linux:linux_kernel:5.10.51:*:*:*:*:*:*:*
  • cpe:2.3:o:linux:linux_kernel:5.10.52:*:*:*:*:*:*:*
    cpe:2.3:o:linux:linux_kernel:5.10.52:*:*:*:*:*:*:*
  • cpe:2.3:o:linux:linux_kernel:5.10.53:*:*:*:*:*:*:*
    cpe:2.3:o:linux:linux_kernel:5.10.53:*:*:*:*:*:*:*
  • cpe:2.3:o:linux:linux_kernel:5.11:-:*:*:*:*:*:*
    cpe:2.3:o:linux:linux_kernel:5.11:-:*:*:*:*:*:*
  • cpe:2.3:o:linux:linux_kernel:5.11.1:*:*:*:*:*:*:*
    cpe:2.3:o:linux:linux_kernel:5.11.1:*:*:*:*:*:*:*
  • cpe:2.3:o:linux:linux_kernel:5.11.2:*:*:*:*:*:*:*
    cpe:2.3:o:linux:linux_kernel:5.11.2:*:*:*:*:*:*:*
  • cpe:2.3:o:linux:linux_kernel:5.11.3:*:*:*:*:*:*:*
    cpe:2.3:o:linux:linux_kernel:5.11.3:*:*:*:*:*:*:*
  • cpe:2.3:o:linux:linux_kernel:5.11.4:*:*:*:*:*:*:*
    cpe:2.3:o:linux:linux_kernel:5.11.4:*:*:*:*:*:*:*
  • cpe:2.3:o:linux:linux_kernel:5.11.5:*:*:*:*:*:*:*
    cpe:2.3:o:linux:linux_kernel:5.11.5:*:*:*:*:*:*:*
  • cpe:2.3:o:linux:linux_kernel:5.11.6:*:*:*:*:*:*:*
    cpe:2.3:o:linux:linux_kernel:5.11.6:*:*:*:*:*:*:*
  • cpe:2.3:o:linux:linux_kernel:5.11.7:*:*:*:*:*:*:*
    cpe:2.3:o:linux:linux_kernel:5.11.7:*:*:*:*:*:*:*
  • cpe:2.3:o:linux:linux_kernel:5.11.8:*:*:*:*:*:*:*
    cpe:2.3:o:linux:linux_kernel:5.11.8:*:*:*:*:*:*:*
  • cpe:2.3:o:linux:linux_kernel:5.11.9:*:*:*:*:*:*:*
    cpe:2.3:o:linux:linux_kernel:5.11.9:*:*:*:*:*:*:*
  • cpe:2.3:o:linux:linux_kernel:5.11.10:*:*:*:*:*:*:*
    cpe:2.3:o:linux:linux_kernel:5.11.10:*:*:*:*:*:*:*
  • cpe:2.3:o:linux:linux_kernel:5.11.11:*:*:*:*:*:*:*
    cpe:2.3:o:linux:linux_kernel:5.11.11:*:*:*:*:*:*:*
  • cpe:2.3:o:linux:linux_kernel:5.11.12:*:*:*:*:*:*:*
    cpe:2.3:o:linux:linux_kernel:5.11.12:*:*:*:*:*:*:*
  • cpe:2.3:o:linux:linux_kernel:5.11.13:*:*:*:*:*:*:*
    cpe:2.3:o:linux:linux_kernel:5.11.13:*:*:*:*:*:*:*
  • cpe:2.3:o:linux:linux_kernel:5.11.14:*:*:*:*:*:*:*
    cpe:2.3:o:linux:linux_kernel:5.11.14:*:*:*:*:*:*:*
  • cpe:2.3:o:linux:linux_kernel:5.11.15:*:*:*:*:*:*:*
    cpe:2.3:o:linux:linux_kernel:5.11.15:*:*:*:*:*:*:*
  • cpe:2.3:o:linux:linux_kernel:5.11.16:*:*:*:*:*:*:*
    cpe:2.3:o:linux:linux_kernel:5.11.16:*:*:*:*:*:*:*
  • cpe:2.3:o:linux:linux_kernel:5.11.17:*:*:*:*:*:*:*
    cpe:2.3:o:linux:linux_kernel:5.11.17:*:*:*:*:*:*:*
  • cpe:2.3:o:linux:linux_kernel:5.11.18:*:*:*:*:*:*:*
    cpe:2.3:o:linux:linux_kernel:5.11.18:*:*:*:*:*:*:*
  • cpe:2.3:o:linux:linux_kernel:5.11.19:*:*:*:*:*:*:*
    cpe:2.3:o:linux:linux_kernel:5.11.19:*:*:*:*:*:*:*
  • cpe:2.3:o:linux:linux_kernel:5.11.20:*:*:*:*:*:*:*
    cpe:2.3:o:linux:linux_kernel:5.11.20:*:*:*:*:*:*:*
  • cpe:2.3:o:linux:linux_kernel:5.11.21:*:*:*:*:*:*:*
    cpe:2.3:o:linux:linux_kernel:5.11.21:*:*:*:*:*:*:*
  • cpe:2.3:o:linux:linux_kernel:5.11.22:*:*:*:*:*:*:*
    cpe:2.3:o:linux:linux_kernel:5.11.22:*:*:*:*:*:*:*
  • cpe:2.3:o:linux:linux_kernel:5.11:rc1:*:*:*:*:*:*
    cpe:2.3:o:linux:linux_kernel:5.11:rc1:*:*:*:*:*:*
  • cpe:2.3:o:linux:linux_kernel:5.11:rc2:*:*:*:*:*:*
    cpe:2.3:o:linux:linux_kernel:5.11:rc2:*:*:*:*:*:*
  • cpe:2.3:o:linux:linux_kernel:5.11:rc3:*:*:*:*:*:*
    cpe:2.3:o:linux:linux_kernel:5.11:rc3:*:*:*:*:*:*
  • cpe:2.3:o:linux:linux_kernel:5.11:rc4:*:*:*:*:*:*
    cpe:2.3:o:linux:linux_kernel:5.11:rc4:*:*:*:*:*:*
  • cpe:2.3:o:linux:linux_kernel:5.11:rc5:*:*:*:*:*:*
    cpe:2.3:o:linux:linux_kernel:5.11:rc5:*:*:*:*:*:*
  • cpe:2.3:o:linux:linux_kernel:5.11:rc6:*:*:*:*:*:*
    cpe:2.3:o:linux:linux_kernel:5.11:rc6:*:*:*:*:*:*
  • cpe:2.3:o:linux:linux_kernel:5.11:rc7:*:*:*:*:*:*
    cpe:2.3:o:linux:linux_kernel:5.11:rc7:*:*:*:*:*:*
  • cpe:2.3:o:linux:linux_kernel:5.12:-:*:*:*:*:*:*
    cpe:2.3:o:linux:linux_kernel:5.12:-:*:*:*:*:*:*
  • cpe:2.3:o:linux:linux_kernel:5.12.1:*:*:*:*:*:*:*
    cpe:2.3:o:linux:linux_kernel:5.12.1:*:*:*:*:*:*:*
  • cpe:2.3:o:linux:linux_kernel:5.12.2:*:*:*:*:*:*:*
    cpe:2.3:o:linux:linux_kernel:5.12.2:*:*:*:*:*:*:*
  • cpe:2.3:o:linux:linux_kernel:5.12.3:*:*:*:*:*:*:*
    cpe:2.3:o:linux:linux_kernel:5.12.3:*:*:*:*:*:*:*
  • cpe:2.3:o:linux:linux_kernel:5.12.4:*:*:*:*:*:*:*
    cpe:2.3:o:linux:linux_kernel:5.12.4:*:*:*:*:*:*:*
  • cpe:2.3:o:linux:linux_kernel:5.12.5:*:*:*:*:*:*:*
    cpe:2.3:o:linux:linux_kernel:5.12.5:*:*:*:*:*:*:*
  • cpe:2.3:o:linux:linux_kernel:5.12.6:*:*:*:*:*:*:*
    cpe:2.3:o:linux:linux_kernel:5.12.6:*:*:*:*:*:*:*
  • cpe:2.3:o:linux:linux_kernel:5.12.7:*:*:*:*:*:*:*
    cpe:2.3:o:linux:linux_kernel:5.12.7:*:*:*:*:*:*:*
  • cpe:2.3:o:linux:linux_kernel:5.12.8:*:*:*:*:*:*:*
    cpe:2.3:o:linux:linux_kernel:5.12.8:*:*:*:*:*:*:*
  • cpe:2.3:o:linux:linux_kernel:5.12.9:*:*:*:*:*:*:*
    cpe:2.3:o:linux:linux_kernel:5.12.9:*:*:*:*:*:*:*
  • cpe:2.3:o:linux:linux_kernel:5.12.10:*:*:*:*:*:*:*
    cpe:2.3:o:linux:linux_kernel:5.12.10:*:*:*:*:*:*:*
  • cpe:2.3:o:linux:linux_kernel:5.12.11:*:*:*:*:*:*:*
    cpe:2.3:o:linux:linux_kernel:5.12.11:*:*:*:*:*:*:*
  • cpe:2.3:o:linux:linux_kernel:5.12.12:*:*:*:*:*:*:*
    cpe:2.3:o:linux:linux_kernel:5.12.12:*:*:*:*:*:*:*
  • cpe:2.3:o:linux:linux_kernel:5.12.13:*:*:*:*:*:*:*
    cpe:2.3:o:linux:linux_kernel:5.12.13:*:*:*:*:*:*:*
  • cpe:2.3:o:linux:linux_kernel:5.12.14:*:*:*:*:*:*:*
    cpe:2.3:o:linux:linux_kernel:5.12.14:*:*:*:*:*:*:*
  • cpe:2.3:o:linux:linux_kernel:5.12.15:*:*:*:*:*:*:*
    cpe:2.3:o:linux:linux_kernel:5.12.15:*:*:*:*:*:*:*
  • cpe:2.3:o:linux:linux_kernel:5.12.16:*:*:*:*:*:*:*
    cpe:2.3:o:linux:linux_kernel:5.12.16:*:*:*:*:*:*:*
  • cpe:2.3:o:linux:linux_kernel:5.12.17:*:*:*:*:*:*:*
    cpe:2.3:o:linux:linux_kernel:5.12.17:*:*:*:*:*:*:*
  • cpe:2.3:o:linux:linux_kernel:5.12.18:*:*:*:*:*:*:*
    cpe:2.3:o:linux:linux_kernel:5.12.18:*:*:*:*:*:*:*
  • cpe:2.3:o:linux:linux_kernel:5.12.19:*:*:*:*:*:*:*
    cpe:2.3:o:linux:linux_kernel:5.12.19:*:*:*:*:*:*:*
  • cpe:2.3:o:linux:linux_kernel:5.12.25:*:*:*:*:*:*:*
    cpe:2.3:o:linux:linux_kernel:5.12.25:*:*:*:*:*:*:*
  • cpe:2.3:o:linux:linux_kernel:5.12:rc1:*:*:*:*:*:*
    cpe:2.3:o:linux:linux_kernel:5.12:rc1:*:*:*:*:*:*
  • cpe:2.3:o:linux:linux_kernel:5.12:rc2:*:*:*:*:*:*
    cpe:2.3:o:linux:linux_kernel:5.12:rc2:*:*:*:*:*:*
  • cpe:2.3:o:linux:linux_kernel:5.12:rc3:*:*:*:*:*:*
    cpe:2.3:o:linux:linux_kernel:5.12:rc3:*:*:*:*:*:*
  • cpe:2.3:o:linux:linux_kernel:5.12:rc4:*:*:*:*:*:*
    cpe:2.3:o:linux:linux_kernel:5.12:rc4:*:*:*:*:*:*
  • cpe:2.3:o:linux:linux_kernel:5.12:rc5:*:*:*:*:*:*
    cpe:2.3:o:linux:linux_kernel:5.12:rc5:*:*:*:*:*:*
  • cpe:2.3:o:linux:linux_kernel:5.12:rc6:*:*:*:*:*:*
    cpe:2.3:o:linux:linux_kernel:5.12:rc6:*:*:*:*:*:*
  • cpe:2.3:o:linux:linux_kernel:5.12:rc7:*:*:*:*:*:*
    cpe:2.3:o:linux:linux_kernel:5.12:rc7:*:*:*:*:*:*
  • cpe:2.3:o:linux:linux_kernel:5.13:-:*:*:*:*:*:*
    cpe:2.3:o:linux:linux_kernel:5.13:-:*:*:*:*:*:*
  • cpe:2.3:o:linux:linux_kernel:5.13.0-52:*:*:*:*:*:*:*
    cpe:2.3:o:linux:linux_kernel:5.13.0-52:*:*:*:*:*:*:*
  • cpe:2.3:o:linux:linux_kernel:5.13.1:*:*:*:*:*:*:*
    cpe:2.3:o:linux:linux_kernel:5.13.1:*:*:*:*:*:*:*
  • cpe:2.3:o:linux:linux_kernel:5.13.2:*:*:*:*:*:*:*
    cpe:2.3:o:linux:linux_kernel:5.13.2:*:*:*:*:*:*:*
  • cpe:2.3:o:linux:linux_kernel:5.13.3:*:*:*:*:*:*:*
    cpe:2.3:o:linux:linux_kernel:5.13.3:*:*:*:*:*:*:*
  • cpe:2.3:o:linux:linux_kernel:5.13.4:*:*:*:*:*:*:*
    cpe:2.3:o:linux:linux_kernel:5.13.4:*:*:*:*:*:*:*
  • cpe:2.3:o:linux:linux_kernel:5.13.5:*:*:*:*:*:*:*
    cpe:2.3:o:linux:linux_kernel:5.13.5:*:*:*:*:*:*:*
  • cpe:2.3:o:linux:linux_kernel:5.14:rc1:*:*:*:*:*:*
    cpe:2.3:o:linux:linux_kernel:5.14:rc1:*:*:*:*:*:*
  • cpe:2.3:o:linux:linux_kernel:5.14:rc2:*:*:*:*:*:*
    cpe:2.3:o:linux:linux_kernel:5.14:rc2:*:*:*:*:*:*

Protect Your Infrastructure against CVE-2021-47300: Combat Critical CVE Threats

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