PatchSiren

PatchSiren cyber security CVE debrief

CVE-2026-74428 Linux CVE debrief

AI-assisted PatchSiren debrief based on the supplied source corpus. The CVE record was published on 2026-08-15T06:22:44.923Z and has not been modified since then.

Vendor
Linux
Product
Unknown
CVSS
Unknown
CISA KEV
Not listed in stored evidence
Original CVE published
2026-08-15
Original CVE updated
2026-08-15
Advisory published
2026-08-15
Advisory updated
2026-08-15

Who should care

Linux kernel users and administrators should be aware of this vulnerability and ensure their systems are updated.

Technical summary

The Linux kernel has a double unlock vulnerability in rxrpc_recvmsg() when handling OOB messages. This issue has been addressed through specific kernel commits.

Defensive priority

Linux kernel users should verify their systems are updated with the latest rxrpc fixes.

Recommended defensive actions

  • Verify Linux kernel versions and check for rxrpc updates
  • Review system logs for potential rxrpc anomalies
  • Apply kernel patches for rxrpc fixes

Evidence notes

The CVE record indicates a double unlock vulnerability in rxrpc_recvmsg() in the Linux kernel. Official references point to specific kernel commits addressing the issue.

Sources and references

Verified primary and authoritative sources

  • CVE-2026-74428 CVE Program record

    Publisher, destination, and source semantics verified

    URL: https://www.cve.org/CVERecord?id=CVE-2026-74428

    CVE Program - Official CVE Program record with source-provided CVE metadata.

  • CVE-2026-74428 NVD vulnerability detail

    Publisher, destination, and source semantics verified

    URL: https://nvd.nist.gov/vuln/detail/CVE-2026-74428

    NIST National Vulnerability Database - Official NIST NVD detail page and source-specific vulnerability assessment.

Supplemental references

  • Source reference

    Unverified legacy reference

    URL: https://git.kernel.org/stable/c/1297ae6aeebc3863cb437e42a1bc4cd6173e43d9

    416baaa9-dc9f-4396-8d5f-8c081fb06d67

  • Source reference

    Unverified legacy reference

    URL: https://git.kernel.org/stable/c/8cd8cf3052fff9a4b86b25734f610e4af03786d3

    416baaa9-dc9f-4396-8d5f-8c081fb06d67

  • Source reference

    Unverified legacy reference

    URL: https://git.kernel.org/stable/c/a2f299b4d5510147fa8629a6aba2869bbcc88aea

    416baaa9-dc9f-4396-8d5f-8c081fb06d67

Methodology and review provenance

AI-assisted synthesis based on stored public vulnerability evidence. System validation, approval state, and publication status do not by themselves establish human review of this revision. PatchSiren helps prioritize defensive review and does not prove exposure or remediation on any system.