CVE-2023-40283

Summary

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 Software

Weaknesses

• n/a

ADP Enrichment

CVE Program Container

Additional References

• https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git/commit/?id=1728137b33c00d5a2b5110ed7aafb42e7c32e4a1
• https://github.com/torvalds/linux/commit/1728137b33c00d5a2b5110ed7aafb42e7c32e4a1
• https://cdn.kernel.org/pub/linux/kernel/v6.x/ChangeLog-6.4.10
• https://www.debian.org/security/2023/dsa-5480
• https://www.debian.org/security/2023/dsa-5492
• 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/
• 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

CISA ADP Vulnrichment

• SSVC:
• Exploitation: none
  • Automatable: no
  • Technical Impact: total

References

• https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git/commit/?id=1728137b33c00d5a2b5110ed7aafb42e7c32e4a1
• https://github.com/torvalds/linux/commit/1728137b33c00d5a2b5110ed7aafb42e7c32e4a1
• https://cdn.kernel.org/pub/linux/kernel/v6.x/ChangeLog-6.4.10
• https://www.debian.org/security/2023/dsa-5480
• https://www.debian.org/security/2023/dsa-5492
• 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/
• 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

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