CVE-2026-98840 — 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: 2026-10-18T16:17:38.293
• Last modified: 2026-10-19T10:19:48.077

09References

• git.kernel.org — https://git.kernel.org/stable/c/1485a3dd97ab1af2605243cabe6b604546d46dd1
• git.kernel.org — https://git.kernel.org/stable/c/226bd5603371cd9f6642cbb9e9a677f445de3530
• git.kernel.org — https://git.kernel.org/stable/c/233a2e190b12884d186027d0b86d43a48799b69c
• git.kernel.org — https://git.kernel.org/stable/c/9dfcadc5e003fb250dd471db90144bd5366140e9