CVE-2022-49398 — 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

Vendor	Product	Versions
Linux	Linux	d4f1afe5e896c18ae01099a85dab5e1a198bd2a8, d4f1afe5e896c18ae01099a85dab5e1a198bd2a8, d4f1afe5e896c18ae01099a85dab5e1a198bd2a8, d4f1afe5e896c18ae01099a85dab5e1a198bd2a8, d7ff2e3ff0e09d57b43014fe26b13bb3c9677254
Linux	Linux	5.0, 0, 5.15.47, 5.17.15, 5.18.4, 5.19

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: 2025-02-26T02:12:27.141Z
• Last modified: 2025-05-04T12:44:36.334Z

09References

• git.kernel.org — https://git.kernel.org/stable/c/1c6e5dc3b639c96e6839a8d1b8e951923fdfd34a
• git.kernel.org — https://git.kernel.org/stable/c/2424307cdf421ac72075a1384eae4e4199ab6457
• git.kernel.org — https://git.kernel.org/stable/c/26a7e6832afe9d9a991cfd9015177f083cf959cc
• git.kernel.org — https://git.kernel.org/stable/c/bf594d1d0c1d7b895954018043536ffd327844f9