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Back to active CVEs
Medium · CVSS 4.7CVE-2022-49967

bpf: Fix a data-race around bpf_jit_limit.CVE-2022-49967

Answer in brief

CVE-2022-49967 records a Medium severity (CVSS 4.7) vulnerability in bpf: Fix a data-race around bpf_jit_limit.. 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 Jun 18, 2025Updated Nov 5, 2026Source checked Nov 5, 2026First seen by HOL Nov 5, 2026Material review Nov 5, 2026
Upstream Advisory

Key facts

Risk
Medium · CVSS 4.7
Exploitation
Not marked as known exploited
Affected software
6 mapped packages or products
Fix availability
Available

Why this deserves its current priority

CVSS is 4.7. 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.

Affected products and reported versions
ProductAffected versionsFixed versions
cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*Not reportedNot reported
cpe:2.3:o:linux:linux_kernel:6.0:rc1:*:*:*:*:*:*Not reportedNot reported
cpe:2.3:o:linux:linux_kernel:6.0:rc2:*:*:*:*:*:*Not reportedNot reported
cpe:2.3:o:linux:linux_kernel:6.0:rc3:*:*:*:*:*:*Not reportedNot reported
Mapped affected packages and fixed versions
PackageAffected rangeFixed version
Linux/Linuxgeneric>=ede95a63b5e84ddeea6b0c473b36ab8bfd8c6ce3 <ba632ad0bacb13197a8f38e7526448974e87f292 || >=ede95a63b5e84ddeea6b0c473b36ab8bfd8c6ce3 <0947ae1121083d363d522ff7518ee72b55bd8d29 || c98446e1bab6253ddce7144cc2a91c400a323839 || a1fe647042affe713a17243cd10e9b25f3d83948 || 43caa29c99db5a41b204e8ced01b00e151335ca8 || >=4.9.190 <4.10 || >=4.14.140 <4.15 || >=4.19.47 <4.20ba632ad0bacb13197a8f38e7526448974e87f292, 0947ae1121083d363d522ff7518ee72b55bd8d29, 4.10, 4.15, 4.20
Linux/Linuxgeneric4.20Not 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 ba632ad0bacb13197a8f38e7526448974e87f292 if you use the affected versions. Test the change in a non-production environment first.

Evidence timeline and material changes

  1. Published upstream

    Jun 18, 2025

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

  2. Source modified

    Nov 5, 2026

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

  3. First seen by HOL

    Nov 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: Fix a data-race around bpf_jit_limit. While reading bpf_jit_limit, it can be changed concurrently via sysctl, WRITE_ONCE() in __do_proc_doulongvec_minmax(). The size of bpf_jit_limit is long, so we need to add a paired READ_ONCE() to avoid load-tearing.

Quoted source text, attributed separately from HOL analysis.

Related CVEs

  • Model Context Protocol TypeScript SDK: Shared transport or server instances delivered one HTTP client's messages to anotherAlso CWE-362
  • FastNetMon: IPv6 host counters map iterated without lock, racing concurrent insertsAlso CWE-362

Record context

Vulnerability class
Vulnerability
EPSS
Not reported
CWE IDs
CWE-362
Source
CVE List V5
Source checked
Nov 5, 2026
References
2 linked sources
Open source record