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Back to active CVEs
High · CVSS 8.8CVE-2024-49988

ksmbd: add refcnt to ksmbd_conn structCVE-2024-49988

Answer in brief

CVE-2024-49988 records a High severity (CVSS 8.8) vulnerability in ksmbd: add refcnt to ksmbd_conn struct. 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 Oct 21, 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 8.8
Exploitation
Not marked as known exploited
Affected software
2 mapped packages or products
Fix availability
Available

Why this deserves its current priority

CVSS is 8.8. 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 <18f06bacc197d4ac9b518ad1c69999bc3d83e7aa || >=0626e6641f6b467447c81dd7678a69c66f7746cf <9fd3cde4628bcd3549ab95061f2bab74d2ed4f3b || >=0626e6641f6b467447c81dd7678a69c66f7746cf <e9dac92f4482a382e8c0fe1bc243da5fc3526b0c || >=0626e6641f6b467447c81dd7678a69c66f7746cf <ee426bfb9d09b29987369b897fe9b6485ac2be2718f06bacc197d4ac9b518ad1c69999bc3d83e7aa, 9fd3cde4628bcd3549ab95061f2bab74d2ed4f3b, e9dac92f4482a382e8c0fe1bc243da5fc3526b0c, ee426bfb9d09b29987369b897fe9b6485ac2be27
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 18f06bacc197d4ac9b518ad1c69999bc3d83e7aa if you use the affected versions. Test the change in a non-production environment first.

Evidence timeline and material changes

  1. Published upstream

    Oct 21, 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
Upstream source description

In the Linux kernel, the following vulnerability has been resolved: ksmbd: add refcnt to ksmbd_conn struct When sending an oplock break request, opinfo->conn is used, But freed ->conn can be used on multichannel. This patch add a reference count to the ksmbd_conn struct so that it can be freed when it is no longer used.

Quoted source text, attributed separately from HOL analysis.

Record context

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