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CVE-2026-31431VulnerabilityPublished Updated

SUSE · Security update for the Linux Kernel

Affects SUSESource GCVE Database

0

Exploited in the wild · KEV due 15 May 2026 · public exploit available (Metasploit) : apply the vendor's fix or mitigations to SUSE now.

Data as of 28 Oct 2026, 20:29 UTC

Exploitation

Actively exploited

High severity · No CVSS score from NVD or the CNA

KEV deadline
 US federal agencies must patch by this date; a sensible deadline for everyone else. Other KEV due dates

Exploitation evidence

t = 0 is the CVE’s publication on cve.org

  1. Disclosed: evidence found.

    CVE published 2 May 2026

  2. Detectable: no evidence on record.

    No public nuclei template indexed

  3. Weaponised: evidence found.

    1 Metasploit module

  4. Exploited in the wild: evidence found.

    Listed in CISA KEV 1 day before disclosure

  5. Observed by OffSeq Mirage: no evidence on record.

    No attack traffic recorded by OffSeq Mirage sensors

Timeline

  1. , 1 day before disclosure

  2. CVE published

    on cve.org

    , t = 0

  3. KEV remediation due

    US federal deadline

    , 13 days after disclosure

A missing step is not evidence of safety. Sources: cve.org (opens in a new tab), CISA KEV (opens in a new tab), the Metasploit, Exploit-DB and nuclei-templates index as of 26 Oct 2026.

What to do

Description

A security issue identified as CVE-2026-31431 affecting the SUSE Linux Enterprise 15 SP5 RT kernel was fixed by reverting to operating out-of-place in the algif_aead component. This update addresses the copy.fail security issue.

References

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