CVE-2022-50053 Vulnerability Analysis & Exploit Details

CVE-2022-50053
Vulnerability Scoring

Analysis In Progress
Analysis In Progress

Attack Complexity Details

  • Attack Complexity:
    Attack Complexity Analysis In Progress
  • Attack Vector:
    Attack Vector Under Analysis
  • Privileges Required: None
    No authentication is required for exploitation.
  • Scope:
    Impact is confined to the initially vulnerable component.
  • User Interaction: None
    No user interaction is necessary for exploitation.

CVE-2022-50053 Details

Status: Awaiting Analysis

Published on: 18 Jun 2025, 11:15 UTC

CVSS Release:

CVE-2022-50053 Vulnerability Summary

CVE-2022-50053: In the Linux kernel, the following vulnerability has been resolved: iavf: Fix reset error handling Do not call iavf_close in iavf_reset_task error handling. Doing so can lead to double call of napi_disable, which can lead to deadlock there. Removing VF would lead to iavf_remove task being stuck, because it requires crit_lock, which is held by iavf_close. Call iavf_disable_vf if reset fail, so that driver will clean up remaining invalid resources. During rapid VF resets, HW can fail to setup VF mailbox. Wrong error handling can lead to iavf_remove being stuck with: [ 5218.999087] iavf 0000:82:01.0: Failed to init adminq: -53 ... [ 5267.189211] INFO: task repro.sh:11219 blocked for more than 30 seconds. [ 5267.189520] Tainted: G S E 5.18.0-04958-ga54ce3703613-dirty #1 [ 5267.189764] "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. [ 5267.190062] task:repro.sh state:D stack: 0 pid:11219 ppid: 8162 flags:0x00000000 [ 5267.190347] Call Trace: [ 5267.190647] <TASK> [ 5267.190927] __schedule+0x460/0x9f0 [ 5267.191264] schedule+0x44/0xb0 [ 5267.191563] schedule_preempt_disabled+0x14/0x20 [ 5267.191890] __mutex_lock.isra.12+0x6e3/0xac0 [ 5267.192237] ? iavf_remove+0xf9/0x6c0 [iavf] [ 5267.192565] iavf_remove+0x12a/0x6c0 [iavf] [ 5267.192911] ? _raw_spin_unlock_irqrestore+0x1e/0x40 [ 5267.193285] pci_device_remove+0x36/0xb0 [ 5267.193619] device_release_driver_internal+0xc1/0x150 [ 5267.193974] pci_stop_bus_device+0x69/0x90 [ 5267.194361] pci_stop_and_remove_bus_device+0xe/0x20 [ 5267.194735] pci_iov_remove_virtfn+0xba/0x120 [ 5267.195130] sriov_disable+0x2f/0xe0 [ 5267.195506] ice_free_vfs+0x7d/0x2f0 [ice] [ 5267.196056] ? pci_get_device+0x4f/0x70 [ 5267.196496] ice_sriov_configure+0x78/0x1a0 [ice] [ 5267.196995] sriov_numvfs_store+0xfe/0x140 [ 5267.197466] kernfs_fop_write_iter+0x12e/0x1c0 [ 5267.197918] new_sync_write+0x10c/0x190 [ 5267.198404] vfs_write+0x24e/0x2d0 [ 5267.198886] ksys_write+0x5c/0xd0 [ 5267.199367] do_syscall_64+0x3a/0x80 [ 5267.199827] entry_SYSCALL_64_after_hwframe+0x46/0xb0 [ 5267.200317] RIP: 0033:0x7f5b381205c8 [ 5267.200814] RSP: 002b:00007fff8c7e8c78 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 [ 5267.201981] RAX: ffffffffffffffda RBX: 0000000000000002 RCX: 00007f5b381205c8 [ 5267.202620] RDX: 0000000000000002 RSI: 00005569420ee900 RDI: 0000000000000001 [ 5267.203426] RBP: 00005569420ee900 R08: 000000000000000a R09: 00007f5b38180820 [ 5267.204327] R10: 000000000000000a R11: 0000000000000246 R12: 00007f5b383c06e0 [ 5267.205193] R13: 0000000000000002 R14: 00007f5b383bb880 R15: 0000000000000002 [ 5267.206041] </TASK> [ 5267.206970] Kernel panic - not syncing: hung_task: blocked tasks [ 5267.207809] CPU: 48 PID: 551 Comm: khungtaskd Kdump: loaded Tainted: G S E 5.18.0-04958-ga54ce3703613-dirty #1 [ 5267.208726] Hardware name: Dell Inc. PowerEdge R730/0WCJNT, BIOS 2.11.0 11/02/2019 [ 5267.209623] Call Trace: [ 5267.210569] <TASK> [ 5267.211480] dump_stack_lvl+0x33/0x42 [ 5267.212472] panic+0x107/0x294 [ 5267.213467] watchdog.cold.8+0xc/0xbb [ 5267.214413] ? proc_dohung_task_timeout_secs+0x30/0x30 [ 5267.215511] kthread+0xf4/0x120 [ 5267.216459] ? kthread_complete_and_exit+0x20/0x20 [ 5267.217505] ret_from_fork+0x22/0x30 [ 5267.218459] </TASK>

Assessing the Risk of CVE-2022-50053

Access Complexity Graph

The exploitability of CVE-2022-50053 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-2022-50053

No exploitability data is available for CVE-2022-50053.

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-2022-50053, 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-2022-50053, showing how Confidentiality, Integrity, and Availability might be affected if the vulnerability is exploited. Higher values usually signal greater potential damage.

  • Confidentiality: None
    CVE-2022-50053 does not compromise confidentiality.
  • Integrity: None
    CVE-2022-50053 does not impact data integrity.
  • Availability: None
    CVE-2022-50053 does not affect system availability.

CVE-2022-50053 References

External References

CWE Common Weakness Enumeration

Unknown

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