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Back to active CVEs
High · CVSS 7.1CVE-2024-50123

bpf: Add the missing BPF_LINK_TYPE invocation for sockmapCVE-2024-50123

Answer in brief

CVE-2024-50123 records a High severity (CVSS 7.1) vulnerability in bpf: Add the missing BPF_LINK_TYPE invocation for sockmap. 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 Nov 5, 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 7.1
Exploitation
Not marked as known exploited
Affected software
2 mapped packages or products
Fix availability
Available

Why this deserves its current priority

CVSS is 7.1. 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>=699c23f02c65cbfc3e638f14ce0d70c23a2e1f02 <6d79f12c0ce2bc8ff5f109093df1734bd6450615 || >=699c23f02c65cbfc3e638f14ce0d70c23a2e1f02 <c2f803052bc7a7feb2e03befccc8e49b6ff1f5f56d79f12c0ce2bc8ff5f109093df1734bd6450615, c2f803052bc7a7feb2e03befccc8e49b6ff1f5f5
Linux/Linuxgeneric6.10Not 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 6d79f12c0ce2bc8ff5f109093df1734bd6450615 if you use the affected versions. Test the change in a non-production environment first.

Evidence timeline and material changes

  1. Published upstream

    Nov 5, 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
Upstream source description

In the Linux kernel, the following vulnerability has been resolved: bpf: Add the missing BPF_LINK_TYPE invocation for sockmap There is an out-of-bounds read in bpf_link_show_fdinfo() for the sockmap link fd. Fix it by adding the missing BPF_LINK_TYPE invocation for sockmap link Also add comments for bpf_link_type to prevent missing updates in the future.

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
2 linked sources
Open source record