CVE-2026-23299

MediumCVSS 5.5/10Last modified Nov 5, 2026

Description

In the Linux kernel, the following vulnerability has been resolved:

Bluetooth: purge error queues in socket destructors

When TX timestamping is enabled via SO_TIMESTAMPING, SKBs may be queued into sk_error_queue and will stay there until consumed. If userspace never gets to read the timestamps, or if the controller is removed unexpectedly, these SKBs will leak.

Fix by adding skb_queue_purge() calls for sk_error_queue in affected bluetooth destructors. RFCOMM does not currently use sk_error_queue.

Metrics

CVSS 3.1 5.5/10CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H

Weakness enumeration

CWE-772

Affected software

VendorProductVersions
LinuxLinux>= 134f4b39df7b77225a80ef585c15d46f964f5e6f, < 2b6c942a526635f5c61d2f000258e620da32d3a7; >= 134f4b39df7b77225a80ef585c15d46f964f5e6f, < 3de7c10a950b36affc692d8bd2ac713852580e56; >= 134f4b39df7b77225a80ef585c15d46f964f5e6f, < 21e4271e65094172aadd5beb8caea95dd0fbf6d7
LinuxLinux6.15

References

Timeline

Published
Mar 25, 2026
Last modified
Nov 5, 2026
NVD status
Analyzed

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CVE-2026-23299: Medium severity, CVSS 5.5 | Vulnix