Description
In the Linux kernel, the following vulnerability has been resolved: perf: Fix __perf_event_overflow() vs perf_remove_from_context() race Make sure that __perf_event_overflow() runs with IRQs disabled for all possible callchains. Specifically the software events can end up running it with only preemption disabled. This opens up a race vs perf_event_exit_event() and friends that will go and free various things the overflow path expects to be present, like the BPF program.
Product status
592903cdcbf606a838056bae6d03fc557806c914 (git) before 4df1a45819e50993cb351682a6ae8e7ed2d233a0
592903cdcbf606a838056bae6d03fc557806c914 (git) before 4f8d5812337871227bb2c98669a87c306a2f86ef
592903cdcbf606a838056bae6d03fc557806c914 (git) before 5c48fdc4b4623533d86e279f51531a7ba212eb87
592903cdcbf606a838056bae6d03fc557806c914 (git) before 3f89b61dd504c5b6711de9759e053b082f9abf12
592903cdcbf606a838056bae6d03fc557806c914 (git) before bb190628fe5f2a73ba762a9972ba16c5e895f73e
592903cdcbf606a838056bae6d03fc557806c914 (git) before c9bc1753b3cc41d0e01fbca7f035258b5f4db0ae
2.6.31
Any version before 2.6.31
6.1.167 (semver)
6.6.130 (semver)
6.12.77 (semver)
6.18.17 (semver)
6.19.7 (semver)
7.0 (original_commit_for_fix)
References
git.kernel.org/...c/4df1a45819e50993cb351682a6ae8e7ed2d233a0
git.kernel.org/...c/4f8d5812337871227bb2c98669a87c306a2f86ef
git.kernel.org/...c/5c48fdc4b4623533d86e279f51531a7ba212eb87
git.kernel.org/...c/3f89b61dd504c5b6711de9759e053b082f9abf12
git.kernel.org/...c/bb190628fe5f2a73ba762a9972ba16c5e895f73e
git.kernel.org/...c/c9bc1753b3cc41d0e01fbca7f035258b5f4db0ae