CVE-2024-36929

Published: June 4, 2024Last modified: June 4, 2024

Description

In the Linux kernel, the following vulnerability has been resolved: net: core: reject skb_copy(_expand) for fraglist GSO skbs SKB_GSO_FRAGLIST skbs must not be linearized, otherwise they become invalid. Return NULL if such an skb is passed to skb_copy or skb_copy_expand, in order to prevent a crash on a potential later call to skb_gso_segment.

Status

References

• https://git.kernel.org/stable/c/989bf6fd1e1d058e73a364dce1a0c53d33373f62
• https://git.kernel.org/stable/c/aea5e2669c2863fdd8679c40ee310b3bcaa85aec
• https://git.kernel.org/stable/c/c7af99cc21923a9650533c9d77265c8dd683a533
• https://git.kernel.org/stable/c/cfe34d86ef9765c388f145039006bb79b6c81ac6
• https://git.kernel.org/stable/c/d091e579b864fa790dd6a0cd537a22c383126681
• https://git.kernel.org/stable/c/faa83a7797f06cefed86731ba4baa3b4dfdc06c1
• https://lists.debian.org/debian-lts-announce/2024/06/msg00019.html