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Back to active CVEs
High · CVSS 8.1CVE-2024-56627

ksmbd: fix Out-of-Bounds Read in ksmbd_vfs_stream_readCVE-2024-56627

Answer in brief

CVE-2024-56627 records a High severity (CVSS 8.1) vulnerability in ksmbd: fix Out-of-Bounds Read in ksmbd_vfs_stream_read. The current sources do not mark it as known exploited. The current feed maps Linux/Linux (generic), Linux/Linux (generic). Check affected ranges and fixed versions before updating.

Analysis pending evidence review

HOL Guard separates source facts from reviewed analysis. See the methodology.

Published Dec 27, 2024Updated Aug 5, 2026Source checked Nov 4, 2026First seen by HOL Aug 5, 2026Material review Aug 5, 2026
Upstream Advisory

Key facts

Risk
High · CVSS 8.1
Exploitation
Not marked as known exploited
Affected software
2 mapped packages or products
Fix availability
Available

Why this deserves its current priority

CVSS is 8.1. The current sources do not mark it as known exploited. Treat this as a source-backed prioritization signal, not a statement about your environment.

Analysis status

Analysis pending evidence review

Factual feed record only; HOL analysis is not approved for indexing. Read the methodology.

Affected scope and exposure questions

The current feed maps Linux/Linux (generic), Linux/Linux (generic). Check affected ranges and fixed versions before updating.

Mapped affected packages and fixed versions
PackageAffected rangeFixed version
Linux/Linuxgeneric>=0626e6641f6b467447c81dd7678a69c66f7746cf <6bd1bf0e8c42f10a9a9679a4c103a9032d30594d || >=0626e6641f6b467447c81dd7678a69c66f7746cf <de4d790dcf53be41736239d7ee63849a16ff5d10 || >=0626e6641f6b467447c81dd7678a69c66f7746cf <27de4295522e9a33e4a3fc72f7b8193df9eebe41 || >=0626e6641f6b467447c81dd7678a69c66f7746cf <81eed631935f2c52cdaf6691c6d48e0b06e8ad73 || >=0626e6641f6b467447c81dd7678a69c66f7746cf <fc342cf86e2dc4d2edb0fc2ff5e28b6c7845adb96bd1bf0e8c42f10a9a9679a4c103a9032d30594d, de4d790dcf53be41736239d7ee63849a16ff5d10, 27de4295522e9a33e4a3fc72f7b8193df9eebe41, 81eed631935f2c52cdaf6691c6d48e0b06e8ad73, fc342cf86e2dc4d2edb0fc2ff5e28b6c7845adb9
Linux/Linuxgeneric5.15Not reported

Recommended response

  1. 1Check inventory. Check lockfiles and deployed manifests for Linux/Linux, Linux/Linux.
  2. 2Review the reported fix. Update Linux/Linux to 6bd1bf0e8c42f10a9a9679a4c103a9032d30594d if you use the affected versions. Test the change in a non-production environment first.

Evidence timeline and material changes

  1. Published upstream

    Dec 27, 2024

    Evidence: source:cvelist:source_dates:source-dates:record

  2. Source modified

    Aug 5, 2026

    Evidence: source:cvelist:source_dates:source-dates:record

  3. First seen by HOL

    Aug 5, 2026

Sources and claim methodology

  • Source referencegit.kernel.org
  • Source referencegit.kernel.org
  • Source referencegit.kernel.org
  • Source referencegit.kernel.org
  • Source referencegit.kernel.org
  • Source referencelists.debian.org
Upstream source description

In the Linux kernel, the following vulnerability has been resolved: ksmbd: fix Out-of-Bounds Read in ksmbd_vfs_stream_read An offset from client could be a negative value, It could lead to an out-of-bounds read from the stream_buf. Note that this issue is coming when setting 'vfs objects = streams_xattr parameter' in ksmbd.conf.

Quoted source text, attributed separately from HOL analysis.

Related CVEs

  • ZBar through 0.23.95 Out-of-Bounds Read via _zbar_sq_decode() in sqcode.cAlso CWE-125

Record context

Vulnerability class
Buffer Overflow
EPSS
Not reported
CWE IDs
CWE-125
Source
CVE List V5
Source checked
Nov 4, 2026
References
6 linked sources
Open source record