CVE-2022-48799 perf: Fix list corruption in perf_cgroup_switch()

What is CVE-2022-48799?

CVE-2022-48799 is a medium-severity vulnerability in Linux kernel, published on 16 Jul 2024. It can only be exploited from the same machine or local network, with no action from the victim.

Official description

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.

Which versions are affected by CVE-2022-48799?

It affects 1 product.

Products include Linux kernel.

How do I fix CVE-2022-48799?

Apply the vendor's patch.

Is CVE-2022-48799 being exploited?

There is no known exploitation of CVE-2022-48799 in the wild and no public exploit code.

Other vulnerabilities in Linux kernel

• CVE-2026-53266 Linux Kernel Out-of-Bounds Write Exploited High 8.8
• CVE-2013-6282 Linux Kernel Improper Input Validation Exploited High 8.8
• CVE-2022-0185 Linux Kernel Heap-Based Buffer Overflow Exploited High 8.4
• CVE-2013-2094 Linux Kernel Privilege Escalation Exploited High 8.4
• CVE-2026-53362 Linux Kernel Unspecified Exploited High 7.8

All Linux kernel vulnerabilities

Sources

• CVE record
• NVD
• OSV
• GitHub advisory
• How this page is made

Also known as DEBIAN-CVE-2022-48799, GHSA-rw3h-fgc9-wwjm, UBUNTU-CVE-2022-48799.