CVE-2021-47089 Vulnerability Analysis & Exploit Details

CVE-2021-47089
Vulnerability Scoring

3.3
/10
Moderate Risk

Exploiting CVE-2021-47089 requires specific conditions, leading to a moderate security impact.

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-2021-47089 Details

Status: Analyzed

Last updated: 🕝 04 Apr 2025, 14:41 UTC
Originally published on: 🕕 04 Mar 2024, 18:15 UTC

Time between publication and last update: 395 days

CVSS Release: version 3

CVSS3 Source

134c704f-9b21-4f2e-91b3-4a467353bcc0

CVSS3 Type

Secondary

CVSS3 Vector

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

CVE-2021-47089 Vulnerability Summary

CVE-2021-47089: In the Linux kernel, the following vulnerability has been resolved: kfence: fix memory leak when cat kfence objects Hulk robot reported a kmemleak problem: unreferenced object 0xffff93d1d8cc02e8 (size 248): comm "cat", pid 23327, jiffies 4624670141 (age 495992.217s) hex dump (first 32 bytes): 00 40 85 19 d4 93 ff ff 00 10 00 00 00 00 00 00 .@.............. 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 ................ backtrace: seq_open+0x2a/0x80 full_proxy_open+0x167/0x1e0 do_dentry_open+0x1e1/0x3a0 path_openat+0x961/0xa20 do_filp_open+0xae/0x120 do_sys_openat2+0x216/0x2f0 do_sys_open+0x57/0x80 do_syscall_64+0x33/0x40 entry_SYSCALL_64_after_hwframe+0x44/0xa9 unreferenced object 0xffff93d419854000 (size 4096): comm "cat", pid 23327, jiffies 4624670141 (age 495992.217s) hex dump (first 32 bytes): 6b 66 65 6e 63 65 2d 23 32 35 30 3a 20 30 78 30 kfence-#250: 0x0 30 30 30 30 30 30 30 37 35 34 62 64 61 31 32 2d 0000000754bda12- backtrace: seq_read_iter+0x313/0x440 seq_read+0x14b/0x1a0 full_proxy_read+0x56/0x80 vfs_read+0xa5/0x1b0 ksys_read+0xa0/0xf0 do_syscall_64+0x33/0x40 entry_SYSCALL_64_after_hwframe+0x44/0xa9 I find that we can easily reproduce this problem with the following commands: cat /sys/kernel/debug/kfence/objects echo scan > /sys/kernel/debug/kmemleak cat /sys/kernel/debug/kmemleak The leaked memory is allocated in the stack below: do_syscall_64 do_sys_open do_dentry_open full_proxy_open seq_open ---> alloc seq_file vfs_read full_proxy_read seq_read seq_read_iter traverse ---> alloc seq_buf And it should have been released in the following process: do_syscall_64 syscall_exit_to_user_mode exit_to_user_mode_prepare task_work_run ____fput __fput full_proxy_release ---> free here However, the release function corresponding to file_operations is not implemented in kfence. As a result, a memory leak occurs. Therefore, the solution to this problem is to implement the corresponding release function.

Assessing the Risk of CVE-2021-47089

Access Complexity Graph

The exploitability of CVE-2021-47089 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-2021-47089

CVE-2021-47089 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-2021-47089, 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-2021-47089, showing how Confidentiality, Integrity, and Availability might be affected if the vulnerability is exploited. Higher values usually signal greater potential damage.

  • Confidentiality: None
    CVE-2021-47089 has no significant impact on data confidentiality.
  • Integrity: None
    CVE-2021-47089 poses no threat to data integrity.
  • Availability: Low
    CVE-2021-47089 may slightly degrade system performance without fully affecting service availability.

Exploit Prediction Scoring System (EPSS)

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

EPSS Score: 0.043% (probability of exploit)

EPSS Percentile: 12.0% (lower percentile = lower relative risk)
This vulnerability is less risky than approximately 88.0% of others.

CVE-2021-47089 References

External References

CWE Common Weakness Enumeration

CWE-401

Vulnerable Configurations

  • 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:5.13.6:*:*:*:*:*:*:*
    cpe:2.3:o:linux:linux_kernel:5.13.6:*:*:*:*:*:*:*
  • cpe:2.3:o:linux:linux_kernel:5.13.7:*:*:*:*:*:*:*
    cpe:2.3:o:linux:linux_kernel:5.13.7:*:*:*:*:*:*:*
  • cpe:2.3:o:linux:linux_kernel:5.13.8:*:*:*:*:*:*:*
    cpe:2.3:o:linux:linux_kernel:5.13.8:*:*:*:*:*:*:*
  • cpe:2.3:o:linux:linux_kernel:5.13.9:*:*:*:*:*:*:*
    cpe:2.3:o:linux:linux_kernel:5.13.9:*:*:*:*:*:*:*
  • cpe:2.3:o:linux:linux_kernel:5.13.10:*:*:*:*:*:*:*
    cpe:2.3:o:linux:linux_kernel:5.13.10:*:*:*:*:*:*:*
  • cpe:2.3:o:linux:linux_kernel:5.13.11:*:*:*:*:*:*:*
    cpe:2.3:o:linux:linux_kernel:5.13.11:*:*:*:*:*:*:*
  • cpe:2.3:o:linux:linux_kernel:5.13.12:*:*:*:*:*:*:*
    cpe:2.3:o:linux:linux_kernel:5.13.12:*:*:*:*:*:*:*
  • cpe:2.3:o:linux:linux_kernel:5.13.13:*:*:*:*:*:*:*
    cpe:2.3:o:linux:linux_kernel:5.13.13:*:*:*:*:*:*:*
  • cpe:2.3:o:linux:linux_kernel:5.13.14:*:*:*:*:*:*:*
    cpe:2.3:o:linux:linux_kernel:5.13.14:*:*:*:*:*:*:*
  • cpe:2.3:o:linux:linux_kernel:5.13.15:*:*:*:*:*:*:*
    cpe:2.3:o:linux:linux_kernel:5.13.15:*:*:*:*:*:*:*
  • cpe:2.3:o:linux:linux_kernel:5.13.16:*:*:*:*:*:*:*
    cpe:2.3:o:linux:linux_kernel:5.13.16:*:*:*:*:*:*:*
  • cpe:2.3:o:linux:linux_kernel:5.13.17:*:*:*:*:*:*:*
    cpe:2.3:o:linux:linux_kernel:5.13.17:*:*:*:*:*:*:*
  • cpe:2.3:o:linux:linux_kernel:5.13.18:*:*:*:*:*:*:*
    cpe:2.3:o:linux:linux_kernel:5.13.18:*:*:*:*:*:*:*
  • cpe:2.3:o:linux:linux_kernel:5.13.19:*:*:*:*:*:*:*
    cpe:2.3:o:linux:linux_kernel:5.13.19:*:*:*:*:*:*:*
  • cpe:2.3:o:linux:linux_kernel:5.13:rc1:*:*:*:*:*:*
    cpe:2.3:o:linux:linux_kernel:5.13:rc1:*:*:*:*:*:*
  • cpe:2.3:o:linux:linux_kernel:5.13:rc2:*:*:*:*:*:*
    cpe:2.3:o:linux:linux_kernel:5.13:rc2:*:*:*:*:*:*
  • cpe:2.3:o:linux:linux_kernel:5.13:rc3:*:*:*:*:*:*
    cpe:2.3:o:linux:linux_kernel:5.13:rc3:*:*:*:*:*:*
  • cpe:2.3:o:linux:linux_kernel:5.13:rc4:*:*:*:*:*:*
    cpe:2.3:o:linux:linux_kernel:5.13:rc4:*:*:*:*:*:*
  • cpe:2.3:o:linux:linux_kernel:5.13:rc5:*:*:*:*:*:*
    cpe:2.3:o:linux:linux_kernel:5.13:rc5:*:*:*:*:*:*
  • cpe:2.3:o:linux:linux_kernel:5.13:rc6:*:*:*:*:*:*
    cpe:2.3:o:linux:linux_kernel:5.13:rc6:*:*:*:*:*:*
  • cpe:2.3:o:linux:linux_kernel:5.13:rc7:*:*:*:*:*:*
    cpe:2.3:o:linux:linux_kernel:5.13:rc7:*:*:*:*:*:*
  • cpe:2.3:o:linux:linux_kernel:5.14:-:*:*:*:*:*:*
    cpe:2.3:o:linux:linux_kernel:5.14:-:*:*:*:*:*:*
  • cpe:2.3:o:linux:linux_kernel:5.14.1:*:*:*:*:*:*:*
    cpe:2.3:o:linux:linux_kernel:5.14.1:*:*:*:*:*:*:*
  • cpe:2.3:o:linux:linux_kernel:5.14.2:*:*:*:*:*:*:*
    cpe:2.3:o:linux:linux_kernel:5.14.2:*:*:*:*:*:*:*
  • cpe:2.3:o:linux:linux_kernel:5.14.3:*:*:*:*:*:*:*
    cpe:2.3:o:linux:linux_kernel:5.14.3:*:*:*:*:*:*:*
  • cpe:2.3:o:linux:linux_kernel:5.14.4:*:*:*:*:*:*:*
    cpe:2.3:o:linux:linux_kernel:5.14.4:*:*:*:*:*:*:*
  • cpe:2.3:o:linux:linux_kernel:5.14.5:*:*:*:*:*:*:*
    cpe:2.3:o:linux:linux_kernel:5.14.5:*:*:*:*:*:*:*
  • cpe:2.3:o:linux:linux_kernel:5.14.6:*:*:*:*:*:*:*
    cpe:2.3:o:linux:linux_kernel:5.14.6:*:*:*:*:*:*:*
  • cpe:2.3:o:linux:linux_kernel:5.14.7:*:*:*:*:*:*:*
    cpe:2.3:o:linux:linux_kernel:5.14.7:*:*:*:*:*:*:*
  • cpe:2.3:o:linux:linux_kernel:5.14.8:*:*:*:*:*:*:*
    cpe:2.3:o:linux:linux_kernel:5.14.8:*:*:*:*:*:*:*
  • cpe:2.3:o:linux:linux_kernel:5.14.9:*:*:*:*:*:*:*
    cpe:2.3:o:linux:linux_kernel:5.14.9:*:*:*:*:*:*:*
  • cpe:2.3:o:linux:linux_kernel:5.14.10:*:*:*:*:*:*:*
    cpe:2.3:o:linux:linux_kernel:5.14.10:*:*:*:*:*:*:*
  • cpe:2.3:o:linux:linux_kernel:5.14.11:*:*:*:*:*:*:*
    cpe:2.3:o:linux:linux_kernel:5.14.11:*:*:*:*:*:*:*
  • cpe:2.3:o:linux:linux_kernel:5.14.12:*:*:*:*:*:*:*
    cpe:2.3:o:linux:linux_kernel:5.14.12:*:*:*:*:*:*:*
  • cpe:2.3:o:linux:linux_kernel:5.14.13:*:*:*:*:*:*:*
    cpe:2.3:o:linux:linux_kernel:5.14.13:*:*:*:*:*:*:*
  • cpe:2.3:o:linux:linux_kernel:5.14.14:*:*:*:*:*:*:*
    cpe:2.3:o:linux:linux_kernel:5.14.14:*:*:*:*:*:*:*
  • cpe:2.3:o:linux:linux_kernel:5.14.15:*:*:*:*:*:*:*
    cpe:2.3:o:linux:linux_kernel:5.14.15:*:*:*:*:*:*:*
  • cpe:2.3:o:linux:linux_kernel:5.14.16:*:*:*:*:*:*:*
    cpe:2.3:o:linux:linux_kernel:5.14.16:*:*:*:*:*:*:*
  • cpe:2.3:o:linux:linux_kernel:5.14.17:*:*:*:*:*:*:*
    cpe:2.3:o:linux:linux_kernel:5.14.17:*:*:*:*:*:*:*
  • cpe:2.3:o:linux:linux_kernel:5.14.18:*:*:*:*:*:*:*
    cpe:2.3:o:linux:linux_kernel:5.14.18:*:*:*:*:*:*:*
  • cpe:2.3:o:linux:linux_kernel:5.14.19:*:*:*:*:*:*:*
    cpe:2.3:o:linux:linux_kernel:5.14.19:*:*:*:*:*:*:*
  • cpe:2.3:o:linux:linux_kernel:5.14.20:*:*:*:*:*:*:*
    cpe:2.3:o:linux:linux_kernel:5.14.20:*:*:*:*:*:*:*
  • cpe:2.3:o:linux:linux_kernel:5.14.21:*:*:*:*:*:*:*
    cpe:2.3:o:linux:linux_kernel:5.14.21:*:*:*:*:*:*:*
  • 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:*:*:*:*:*:*
  • cpe:2.3:o:linux:linux_kernel:5.14:rc3:*:*:*:*:*:*
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  • cpe:2.3:o:linux:linux_kernel:5.14:rc4:*:*:*:*:*:*
    cpe:2.3:o:linux:linux_kernel:5.14:rc4:*:*:*:*:*:*
  • cpe:2.3:o:linux:linux_kernel:5.14:rc5:*:*:*:*:*:*
    cpe:2.3:o:linux:linux_kernel:5.14:rc5:*:*:*:*:*:*
  • cpe:2.3:o:linux:linux_kernel:5.14:rc6:*:*:*:*:*:*
    cpe:2.3:o:linux:linux_kernel:5.14:rc6:*:*:*:*:*:*
  • cpe:2.3:o:linux:linux_kernel:5.15:-:*:*:*:*:*:*
    cpe:2.3:o:linux:linux_kernel:5.15:-:*:*:*:*:*:*
  • cpe:2.3:o:linux:linux_kernel:5.15.0:*:*:*:*:*:*:*
    cpe:2.3:o:linux:linux_kernel:5.15.0:*:*:*:*:*:*:*
  • cpe:2.3:o:linux:linux_kernel:5.15.0-58:*:*:*:*:*:*:*
    cpe:2.3:o:linux:linux_kernel:5.15.0-58:*:*:*:*:*:*:*
  • cpe:2.3:o:linux:linux_kernel:5.15.1:*:*:*:*:*:*:*
    cpe:2.3:o:linux:linux_kernel:5.15.1:*:*:*:*:*:*:*
  • cpe:2.3:o:linux:linux_kernel:5.15.2:*:*:*:*:*:*:*
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  • cpe:2.3:o:linux:linux_kernel:5.15.3:*:*:*:*:*:*:*
    cpe:2.3:o:linux:linux_kernel:5.15.3:*:*:*:*:*:*:*
  • cpe:2.3:o:linux:linux_kernel:5.15.3:-:*:*:*:*:*:*
    cpe:2.3:o:linux:linux_kernel:5.15.3:-:*:*:*:*:*:*
  • cpe:2.3:o:linux:linux_kernel:5.15.4:*:*:*:*:*:*:*
    cpe:2.3:o:linux:linux_kernel:5.15.4:*:*:*:*:*:*:*
  • cpe:2.3:o:linux:linux_kernel:5.15.5:*:*:*:*:*:*:*
    cpe:2.3:o:linux:linux_kernel:5.15.5:*:*:*:*:*:*:*
  • cpe:2.3:o:linux:linux_kernel:5.15.6:*:*:*:*:*:*:*
    cpe:2.3:o:linux:linux_kernel:5.15.6:*:*:*:*:*:*:*
  • cpe:2.3:o:linux:linux_kernel:5.15.7:*:*:*:*:*:*:*
    cpe:2.3:o:linux:linux_kernel:5.15.7:*:*:*:*:*:*:*
  • cpe:2.3:o:linux:linux_kernel:5.15.8:*:*:*:*:*:*:*
    cpe:2.3:o:linux:linux_kernel:5.15.8:*:*:*:*:*:*:*
  • cpe:2.3:o:linux:linux_kernel:5.15.9:*:*:*:*:*:*:*
    cpe:2.3:o:linux:linux_kernel:5.15.9:*:*:*:*:*:*:*
  • cpe:2.3:o:linux:linux_kernel:5.15.10:*:*:*:*:*:*:*
    cpe:2.3:o:linux:linux_kernel:5.15.10:*:*:*:*:*:*:*
  • cpe:2.3:o:linux:linux_kernel:5.15.11:*:*:*:*:*:*:*
    cpe:2.3:o:linux:linux_kernel:5.15.11:*:*:*:*:*:*:*
  • cpe:2.3:o:linux:linux_kernel:5.16:rc1:*:*:*:*:*:*
    cpe:2.3:o:linux:linux_kernel:5.16:rc1:*:*:*:*:*:*
  • cpe:2.3:o:linux:linux_kernel:5.16:rc2:*:*:*:*:*:*
    cpe:2.3:o:linux:linux_kernel:5.16:rc2:*:*:*:*:*:*
  • cpe:2.3:o:linux:linux_kernel:5.16:rc3:*:*:*:*:*:*
    cpe:2.3:o:linux:linux_kernel:5.16:rc3:*:*:*:*:*:*
  • cpe:2.3:o:linux:linux_kernel:5.16:rc4:*:*:*:*:*:*
    cpe:2.3:o:linux:linux_kernel:5.16:rc4:*:*:*:*:*:*
  • cpe:2.3:o:linux:linux_kernel:5.16:rc5:*:*:*:*:*:*
    cpe:2.3:o:linux:linux_kernel:5.16:rc5:*:*:*:*:*:*
  • cpe:2.3:o:linux:linux_kernel:5.16:rc6:*:*:*:*:*:*
    cpe:2.3:o:linux:linux_kernel:5.16:rc6:*:*:*:*:*:*

Protect Your Infrastructure against CVE-2021-47089: Combat Critical CVE Threats

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