- Vulnerability/
- CVE-2024-41033
CVE-2024-41033: cachestat: do not flush stats in recency check
First published: Mon Jul 29 2024(Updated: )
In the Linux kernel, the following vulnerability has been resolved: cachestat: do not flush stats in recency check syzbot detects that cachestat() is flushing stats, which can sleep, in its RCU read section (see [1]). This is done in the workingset_test_recent() step (which checks if the folio's eviction is recent). Move the stat flushing step to before the RCU read section of cachestat, and skip stat flushing during the recency check. [1]: https://lore.kernel.org/cgroups/000000000000f71227061bdf97e0@google.com/
Credit: 416baaa9-dc9f-4396-8d5f-8c081fb06d67 416baaa9-dc9f-4396-8d5f-8c081fb06d67
| Affected Software | Affected Version | How to fix |
|---|---|---|
| debian/linux | 5.10.223-1 5.10.226-1 6.1.115-1 6.1.112-1 6.11.7-1 6.11.9-1 |
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Reference Links
- https://git.kernel.org/stable/c/1d1ba14e00d290b1ed616ed78c8c49bf897ce390
- https://git.kernel.org/stable/c/5a4d8944d6b1e1aaaa83ea42c116b520b4ed0394
- https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2024-41033
- https://nvd.nist.gov/vuln/detail/CVE-2024-41033
- https://launchpad.net/bugs/cve/CVE-2024-41033
- https://security-tracker.debian.org/tracker/CVE-2024-41033
- https://ubuntu.com/security/CVE-2024-41033
- https://git.kernel.org/linus/5a4d8944d6b1e1aaaa83ea42c116b520b4ed0394
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