CVE-2024-50230 (GCVE-0-2024-50230)

Vulnerability from cvelistv5 – Published: 2024-11-09 10:14 – Updated: 2025-11-03 22:27
VLAI?
Title
nilfs2: fix kernel bug due to missing clearing of checked flag
Summary
In the Linux kernel, the following vulnerability has been resolved: nilfs2: fix kernel bug due to missing clearing of checked flag Syzbot reported that in directory operations after nilfs2 detects filesystem corruption and degrades to read-only, __block_write_begin_int(), which is called to prepare block writes, may fail the BUG_ON check for accesses exceeding the folio/page size, triggering a kernel bug. This was found to be because the "checked" flag of a page/folio was not cleared when it was discarded by nilfs2's own routine, which causes the sanity check of directory entries to be skipped when the directory page/folio is reloaded. So, fix that. This was necessary when the use of nilfs2's own page discard routine was applied to more than just metadata files.
Severity ?
7.8 (High)
CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
CWE
Assigner
References
Impacted products
Vendor Product Version
Linux Linux Affected: 8c26c4e2694a163d525976e804d81cd955bbb40c , < 994b2fa13a6c9cf3feca93090a9c337d48e3d60d (git)
Affected: 8c26c4e2694a163d525976e804d81cd955bbb40c , < 64afad73e4623308d8943645e5631f2c7a2d7971 (git)
Affected: 8c26c4e2694a163d525976e804d81cd955bbb40c , < aa0cee46c5d3fd9a39575a4c8a4f65f25f095b89 (git)
Affected: 8c26c4e2694a163d525976e804d81cd955bbb40c , < f05dbebb8ee34882505d53d83af7d18f28a49248 (git)
Affected: 8c26c4e2694a163d525976e804d81cd955bbb40c , < cd0cdb51b15203fa27d4b714be83b7dfffa0b752 (git)
Affected: 8c26c4e2694a163d525976e804d81cd955bbb40c , < f2f1fa446676c21edb777e6d2bc4fa8f956fab68 (git)
Affected: 8c26c4e2694a163d525976e804d81cd955bbb40c , < 56c6171932a7fb267ac6cb4ff8759b93ee1d0e2e (git)
Affected: 8c26c4e2694a163d525976e804d81cd955bbb40c , < 41e192ad2779cae0102879612dfe46726e4396aa (git)
Create a notification for this product.
    Linux Linux Affected: 3.10
Unaffected: 0 , < 3.10 (semver)
Unaffected: 4.19.323 , ≤ 4.19.* (semver)
Unaffected: 5.4.285 , ≤ 5.4.* (semver)
Unaffected: 5.10.229 , ≤ 5.10.* (semver)
Unaffected: 5.15.171 , ≤ 5.15.* (semver)
Unaffected: 6.1.116 , ≤ 6.1.* (semver)
Unaffected: 6.6.60 , ≤ 6.6.* (semver)
Unaffected: 6.11.7 , ≤ 6.11.* (semver)
Unaffected: 6.12 , ≤ * (original_commit_for_fix)
Create a notification for this product.
Show details on NVD website
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  • 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.



Detection rules are retrieved from Rulezet.