high7.8
CVE-2023-40283
An issue was discovered in l2cap_sock_release in net/bluetooth/l2cap_sock.c in the Linux kernel before 6.4.10.
Impact
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
| Vendor | Product | Affected versions |
|---|---|---|
| Linux | Linux Kernel | from 3.5 before 4.14.322 from 4.15 before 4.19.291 from 4.20 before 5.4.253 from 5.5 before 5.10.190 from 5.11 before 5.15.126 from 5.16 before 6.1.45 |
| Debian | Debian Linux | Versions 10.0, 11.0, 12.0 |
| Canonical | Ubuntu Linux | Versions 14.04, 16.04, 18.04, 20.04, 22.04 |
Weakness classification
References
- NVD record
- CVE.org record
- http://packetstormsecurity.com/files/175072/Kernel-Live-Patch-Security-Notice-LSN-0098-1.html
- http://packetstormsecurity.com/files/175963/Kernel-Live-Patch-Security-Notice-LSN-0099-1.html
- 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://lists.debian.org/debian-lts-announce/2023/10/msg00027.html
- https://lists.debian.org/debian-lts-announce/2024/01/msg00004.html
- https://security.netapp.com/advisory/ntap-20231020-0007/
- https://www.debian.org/security/2023/dsa-5480
- https://www.debian.org/security/2023/dsa-5492
- https://cert-portal.siemens.com/productcert/html/ssa-398330.html
- https://cert-portal.siemens.com/productcert/html/ssa-806742.html