What happened
In the Linux kernel, the following vulnerability has been resolved: perf: Fix addr_filter_ranges lifetime Lee Jia Jie reported that since event::addr_filter_ranges is used under RCU, it should be RCU freed.
Affected versions
Linux: 1da177e4c3f41524e886b7f1b8a0c1fc7321cac2 through before cd8dab11046c03ab07899ce3fe2aa7d1a9702cf1 (git); 1da177e4c3f41524e886b7f1b8a0c1fc7321cac2 through before 6f1853b2b9f38f1343790bae8c0601b3f7554754 (git); 1da177e4c3f41524e886b7f1b8a0c1fc7321cac2 through before e62d4192e593630f355094adc467058a05bdc935 (git); before 6.12.111 (semver); before 6.18.53 (semver) Fixed: See vendor advisory.
Why it matters
Review the vendor advisory and exposure of the affected product to determine operational impact.
Detection & mitigation
- Apply vendor-provided updates or mitigations.
- Review affected product exposure and access logs.
Public PoC references
No public PoC reference has passed the current publication threshold.