CVE-2023-42752 Information

Description

An integer overflow flaw was found in the Linux kernel. This issue leads to the kernel allocating skb_shared_info in the userspace which is exploitable in systems without SMAP protection since skb_shared_info contains references to function pointers.

Reference

https://git.kernel.org/pub/scm/linux/kernel/git/netdev/net.git/commit/?id=915d975b2ffa https://bugzilla.redhat.com/show_bug.cgi?id=2239828 https://git.kernel.org/pub/scm/linux/kernel/git/netdev/net.git/commit/?id=c3b704d4a4a2 https://access.redhat.com/security/cve/CVE-2023-42752