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CVE-2023-52755 (GCVE-0-2023-52755)

Vulnerability from cvelistv5 – Published: 2024-05-21 15:30 – Updated: 2026-08-05 09:11
VLAI
Title
ksmbd: fix slab out of bounds write in smb_inherit_dacl()
Summary
In the Linux kernel, the following vulnerability has been resolved: ksmbd: fix slab out of bounds write in smb_inherit_dacl() slab out-of-bounds write is caused by that offsets is bigger than pntsd allocation size. This patch add the check to validate 3 offsets using allocation size.
Severity
9.8 (Critical)
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
8.4 (High)
CVSS:3.1/AV:L/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
SSVC
Exploitation: none Automatable: no Technical Impact: total
CISA Coordinator · CISA-ADP (v2.0.3)
Decision recorded 2024-08-01 03:55 UTC
CWE
Assigner
References
Impacted products
Vendor Product Version CPE status
Linux Linux Affected: 0626e6641f6b467447c81dd7678a69c66f7746cf , < aaf0a07d60887d6c36fc46a24de0083744f07819 (git)
Affected: 0626e6641f6b467447c81dd7678a69c66f7746cf , < 8387c94d73ec66eb597c7a23a8d9eadf64bfbafa (git)
Affected: 0626e6641f6b467447c81dd7678a69c66f7746cf , < 09d9d8b40a3338193619c14ed4dc040f4f119e70 (git)
Affected: 0626e6641f6b467447c81dd7678a69c66f7746cf , < 712e01f32e577e7e48ab0adb5fe550646a3d93cb (git)
Affected: 0626e6641f6b467447c81dd7678a69c66f7746cf , < eebff19acaa35820cb09ce2ccb3d21bee2156ffb (git)
guessed Create a notification for this product.
Linux Linux Affected: 5.15
Unaffected: 0 , < 5.15 (semver)
Unaffected: 5.15.140 , ≤ 5.15.* (semver)
Unaffected: 6.1.64 , ≤ 6.1.* (semver)
Unaffected: 6.5.13 , ≤ 6.5.* (semver)
Unaffected: 6.6.3 , ≤ 6.6.* (semver)
Unaffected: 6.7 , ≤ * (original_commit_for_fix)
guessed Create a notification for this product.
linux linux_kernel Affected: 1da177e4c3f4 , < aaf0a07d6088 (git)
Affected: 1da177e4c3f4 , < 8387c94d73ec (git)
Affected: 1da177e4c3f4 , < 09d9d8b40a33 (git)
Affected: 1da177e4c3f4 , < 712e01f32e57 (git)
Affected: 1da177e4c3f4 , < eebff19acaa3 (git)
    cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*
Create a notification for this product.
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Forecast uses a logistic model when the trend is rising, or an exponential decay model when the trend is falling. Fitted via linearized least squares.

Sightings

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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.


Detection rules are retrieved from Rulezet.


Related by attack behaviour

Vulnerabilities whose description is nearest to this one in the vector space of the CIRCL/vulnerability-attack-technique-biencoder model. This is a similarity search over the bi-encoder space (plain cosine), not a classification, and it has no measured accuracy.