CVE-2022-49309 — 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: 2025-02-26T07:01:07.700
• Last modified: 2026-08-13T00:17:31.390

09References

• git.kernel.org — https://git.kernel.org/stable/c/2c41f5c341853f84b7bc2f32605d4e2782e8c279
• git.kernel.org — https://git.kernel.org/stable/c/c84e5c819600ee0628f61b33d145258ae0f3d7a7
• git.kernel.org — https://git.kernel.org/stable/c/cc7ad0d77b51c872d629bcd98aea463a3c4109e7
• git.kernel.org — https://git.kernel.org/stable/c/ce129d3efd181da5fd56f4360cc8827122afa67e
• git.kernel.org — https://git.kernel.org/stable/c/f89f6c3ebf69623b8ea48200bd690e9e210335a1
• lists.debian.org — https://lists.debian.org/debian-lts-announce/2025/05/msg00030.html