CVE-2022-49939 — In the Linux kernel, the following vulnerability has been resolved:

In the Linux kernel, the following vulnerability has been resolved:

01What is this vulnerability?

In the Linux kernel, the following vulnerability has been resolved:

02Affected products

No structured affected-product list available — see references below for vendor advisories.

03Active exploitation status

Not currently listed on the CISA Known Exploited Vulnerabilities (KEV) catalog. EPSS is the best forward-looking signal — see the EPSS row above.

04Recommended remediation

• Patch to a fixed version listed in the vendor advisory (see references below).
• Mitigate with WAF rules, network egress filters, or feature flags where the patch is not yet available.
• Hunt historical logs for exploitation indicators — see Detection signatures below.

05Technical details

For the full vendor write-up, exploit chains, and reference implementations, see the references list in section 09.

06Detection signatures

Ask SARA in chat to draft a starting detection for this CVE in your stack of choice.

07Related CVEs

No directly-cited follow-up CVEs in the KB record for this advisory. The references list in section 09 carries the vendor cross-references.

08Timeline

• Published: 2025-06-18T11:15:20.793
• Last modified: 2026-08-04T10:18:00.300

09References

• git.kernel.org — https://git.kernel.org/stable/c/06e5b43ca4dab06a92bf4c2f33766e6fb11b880a
• git.kernel.org — https://git.kernel.org/stable/c/229f47603dd306bc0eb1a831439adb8e48bb0eae
• git.kernel.org — https://git.kernel.org/stable/c/30d0901b307f27d36b2655fb3048cf31ee0e89c0
• git.kernel.org — https://git.kernel.org/stable/c/603a47f2ae56bf68288784d3c0a8c5b8e0a827ed
• git.kernel.org — https://git.kernel.org/stable/c/9629f2dfdb1dad294b468038ff8e161e94d0b609
• git.kernel.org — https://git.kernel.org/stable/c/a0e44c64b6061dda7e00b7c458e4523e2331b739
• git.kernel.org — https://git.kernel.org/stable/c/c2a4b5dc8fa71af73bab704d0cac42ac39767ed6