Use After Free Affecting kernel-core package, versions <0:5.14.0-70.93.2.el9_0
Threat Intelligence
EPSS
0.04% (6th
percentile)
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Test your applications- Snyk ID SNYK-RHEL9-KERNELCORE-6423459
- published 12 Mar 2024
- disclosed 14 Aug 2023
Introduced: 14 Aug 2023
CVE-2023-40283 Open this link in a new tabHow to fix?
Upgrade RHEL:9 kernel-core to version 0:5.14.0-70.93.2.el9_0 or higher.
This issue was patched in RHSA-2024:1250.
NVD Description
Note: Versions mentioned in the description apply only to the upstream kernel-core package and not the kernel-core package as distributed by RHEL.
See How to fix? for RHEL:9 relevant fixed versions and status.
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.
References
- https://access.redhat.com/security/cve/CVE-2023-40283
- https://cdn.kernel.org/pub/linux/kernel/v6.x/ChangeLog-6.4.10
- https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git/commit/?id=1728137b33c00d5a2b5110ed7aafb42e7c32e4a1
- https://github.com/torvalds/linux/commit/1728137b33c00d5a2b5110ed7aafb42e7c32e4a1
- https://www.debian.org/security/2023/dsa-5480
- http://packetstormsecurity.com/files/175072/Kernel-Live-Patch-Security-Notice-LSN-0098-1.html
- https://lists.debian.org/debian-lts-announce/2023/10/msg00027.html
- https://security.netapp.com/advisory/ntap-20231020-0007/
- https://www.debian.org/security/2023/dsa-5492
- http://packetstormsecurity.com/files/175963/Kernel-Live-Patch-Security-Notice-LSN-0099-1.html
- https://lists.debian.org/debian-lts-announce/2024/01/msg00004.html
CVSS Scores
version 3.1