Vulnerability-Lookup

GHSA-P349-G4HW-9CVJ

Vulnerability from github – Published: 2024-07-29 15:30 – Updated: 2025-11-24 12:30

Details

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.

Severity

5.5 (Medium)


                  
                    CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H

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  "affected": [],
  "aliases": [
    "CVE-2024-41033"
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  "id": "GHSA-p349-g4hw-9cvj",
  "modified": "2025-11-24T12:30:27Z",
  "published": "2024-07-29T15:30:40Z",
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}

CVE-2024-41033 (GCVE-0-2024-41033)

Vulnerability from cvelistv5 – Published: 2024-07-29 14:31 – Updated: 2026-05-11 20:24

Title

cachestat: do not flush stats in recency check

Summary

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/

Severity

No CVSS data available.

SSVC

Exploitation: none Automatable: no Technical Impact: partial

CISA Coordinator · CISA-ADP (v2.0.3)

Decision recorded 2024-09-10 16:23 UTC

Assigner

Linux CNA under the mitre root

CNA scorecard D 54/100 over 6619 records in the last 180 days details

References

3 references

URL	Tags
https://git.kernel.org/stable/c/e2f7c76758be16f1d…
https://git.kernel.org/stable/c/1d1ba14e00d290b1e…
https://git.kernel.org/stable/c/5a4d8944d6b1e1aaa…

Impacted products

2 products

Vendor	Product	Version
Linux	Linux	Affected: 68849411ce9eb55d00cef48504dcb35baca4b37e , < e2f7c76758be16f1dc32c5a82270d4f6649eedab (git) Affected: b006847222623ac3cda8589d15379eac86a2bcb7 , < 1d1ba14e00d290b1ed616ed78c8c49bf897ce390 (git) Affected: b006847222623ac3cda8589d15379eac86a2bcb7 , < 5a4d8944d6b1e1aaaa83ea42c116b520b4ed0394 (git)
Linux	Linux	Affected: 6.8 Unaffected: 0 , < 6.8 (semver) Unaffected: 6.9.10 , ≤ 6.9.* (semver) Unaffected: 6.10 , ≤ * (original_commit_for_fix)

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Sightings

Author	Source	Type	Date	Other

Nomenclature

Seen: The vulnerability was mentioned, discussed, or observed by the user.
Confirmed: The vulnerability has been validated from an analyst's perspective.
Published Proof of Concept: A public proof of concept is available for this vulnerability.
Exploited: The vulnerability was observed as exploited by the user who reported the sighting.
Patched: The vulnerability was observed as successfully patched by the user who reported the sighting.
Not exploited: The vulnerability was not observed as exploited by the user who reported the sighting.
Not confirmed: The user expressed doubt about the validity of the vulnerability.
Not patched: The vulnerability was not observed as successfully patched by the user who reported the sighting.

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