CVE-2022-48799

perf: Fix list corruption in perf_cgroup_switch()

EPSS 0.2%

Vexday Risk Score

3Low

SSVC decision (CISA)

Track

No exploitation signal → monitor

CVSS —EPSS 0.2%KEV nãoPoC —Nuclei —Metasploit —Patch —

Lifecycle

16 Jul 2024Published on NVD

Recommendation: Monitor — no exploitation signal at the moment.

In the Linux kernel, the following vulnerability has been resolved: perf: Fix list corruption in perf_cgroup_switch() There's list corruption on cgrp_cpuctx_list. This happens on the following path: perf_cgroup_switch: list_for_each_entry(cgrp_cpuctx_list) cpu_ctx_sched_in ctx_sched_in ctx_pinned_sched_in merge_sched_in perf_cgroup_event_disable: remove the event from the list Use list_for_each_entry_safe() to allow removing an entry during iteration.

Affected products

Linux · Linux

References

https://git.kernel.org/stable/c/2142bc1469a316fddd10012d76428f7265258f81 https://git.kernel.org/stable/c/30d9f3cbe47e1018ddc8069ac5b5c9e66fbdf727 https://git.kernel.org/stable/c/5d76ed4223403f90421782adb2f20a9ecbc93186 https://git.kernel.org/stable/c/5f4e5ce638e6a490b976ade4a40017b40abb2da0 https://git.kernel.org/stable/c/7969fe91c9830e045901970e9d755b7505881d4a https://git.kernel.org/stable/c/a2ed7b29d0673ba361546e2d87dbbed149456c45 https://git.kernel.org/stable/c/f6b5d51976fcefef5732da3e3feb3ccff680f7c8