Description
An issue was discovered in l2cap_sock_release in net/bluetooth/l2cap_sock.c in the Linux kernel before 6.4.10. There is a use-after-free because the children of an sk are mishandled.
Affected products
linux: linux kernel; debian: debian linux; canonical: ubuntu linux
References10
- git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git/comm… Patch
- github.com/torvalds/linux/commit/1728137b33c00d5a2b5110ed7aafb4… Patch
- git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git/comm… Patch
- github.com/torvalds/linux/commit/1728137b33c00d5a2b5110ed7aafb4… Patch
- packetstormsecurity.com/files/175072/Kernel-Live-Patch-Security… Third Party AdvisoryVDB Entry
- packetstormsecurity.com/files/175963/Kernel-Live-Patch-Security… Third Party AdvisoryVDB Entry
- cdn.kernel.org/pub/linux/kernel/v6.x/ChangeLog-6.4.10 Release Notes
- lists.debian.org/debian-lts-announce/2023/10/msg00027.html Mailing ListThird Party Advisory
- lists.debian.org/debian-lts-announce/2024/01/msg00004.html Issue TrackingThird Party Advisory
- security.netapp.com/advisory/ntap-20231020-0007/ Third Party Advisory
Metrics
- CVSS 3.1
-
7.8
HIGH
Score source: NVD
CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H - EPSS — exploit probability
- 1% percentile: 46 · as of 5 November 2026
- CWE
- CWE-416
Could this be exploited in your environment?
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