CVE-2022-50440 — 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: 2025-10-01T12:15:36.133
• Last modified: 2026-10-15T22:17:30.637

09References

• git.kernel.org — https://git.kernel.org/stable/c/439cbbc1519547f9a7b483f0de33b556ebfec901
• git.kernel.org — https://git.kernel.org/stable/c/4cf949c7fafe21e085a4ee386bb2dade9067316e
• git.kernel.org — https://git.kernel.org/stable/c/4d54d11b49860686331c58a00f733b16a93edfc4
• git.kernel.org — https://git.kernel.org/stable/c/50d177f90b63ea4138560e500d92be5e4c928186
• git.kernel.org — https://git.kernel.org/stable/c/622d527decaac0eb65512acada935a0fdc1d0202
• git.kernel.org — https://git.kernel.org/stable/c/6948e570f54f2044dd4da444b10471373a047eeb
• git.kernel.org — https://git.kernel.org/stable/c/6b4e70a428b5a11f56db94047b68e144529fe512
• git.kernel.org — https://git.kernel.org/stable/c/94b283341f9f3f0ed56a360533766377a01540e0
• git.kernel.org — https://git.kernel.org/stable/c/ee8d31836cbe7c26e207bfa0a4a726f0a25cfcf6