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No exploitation reportedFix available

CVE-2023-52755

No exploitation reported by the sources we read.

  • Published2024-05-21
  • Fixed ineebff19acaa3 · aaf0a07d6088 · 8387c94d73ec · 712e01f32e57 · 09d9d8b40a33 · 6.6.3
  • WeaknessCWE-787

Am I affected?

With a domain, we read the version its public headers and pages expose. A distribution build can carry the fix under an older number.

Description

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.

Timeline

dates in UTC
  1. 2024-05-2116:15CVE publishedNVD
  2. 2026-10-2319:23EPSS crossed 10 %FIRST EPSS

Observed activity

isMalicious corpus · updated 2026-10-23 18:48 UTC
Indicators tagged with this CVE, per day0 indicators over 7 days
Block these indicators
  • Firewall list (EDL, text): https://api.ismalicious.com/edl/cve/CVE-2023-52755?format=txt
  • CSV export: https://api.ismalicious.com/edl/cve/CVE-2023-52755?format=csv
  • TAXII collection of exploited CVEs
  • The EDL and CSV take an API key on the Pro plan.

Versions per branch

CISA-ADP · NVD
Linux linux kernel
BranchAffectedFixed in
1+≥ 1da177e4c3f4, < eebff19acaa3eebff19acaa3
1+≥ 1da177e4c3f4, < aaf0a07d6088aaf0a07d6088
8387.x≥ 1da177e4c3f4, < 8387c94d73ec8387c94d73ec
712.x≥ 1da177e4c3f4, < 712e01f32e57712e01f32e57
9.x≥ 1da177e4c3f4, < 09d9d8b40a3309d9d8b40a33
6.6≥ 6.6, < 6.6.36.6.3
6.x≥ 6.2, < 6.5.136.5.13
6.1≥ 5.16, < 6.1.646.1.64
5.15≥ 5.15, < 5.15.1405.15.140

as publishedRanges as NVD and OSV publish them; a distribution’s build can be fixed under an older number.

Fix

  1. Update Linux linux kernel to eebff19acaa3 · aaf0a07d6088 · 8387c94d73ec · 712e01f32e57 · 09d9d8b40a33 · 6.6.3 · 6.5.13 · 6.1.64

Advisories and patches

Detection

Nuclei template
none so far
ProjectDiscovery
Exploit-DB
no entry
Exploit-DB
Proof-of-concept repositories
none listed
PoC-in-GitHub

Sources

Technical details

CVSS v3 Vector
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
Published
2024-05-21
Last Modified
2026-08-04
NVD status
Modified

Frequently asked questions

What is CVE-2023-52755?

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.

Is CVE-2023-52755 actively exploited?

Active exploitation of CVE-2023-52755 has not been confirmed. Its EPSS score was 28.1% on 2026-10-22, the estimated probability of exploitation in the next 30 days.

What is the CVSS score for CVE-2023-52755?

CVE-2023-52755 has a CVSS v3 base score of 9.8 (CRITICAL severity), with vector string CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H.

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