Vulnerability CVE-2023-42752
Published: 2023-10-13

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.

 References:
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
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