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.
Affected products
Version statuses are supplied by the assigning organization. Consult the original record for detailed ranges and platform conditions.
n/a Kernel
6.6-rc1unaffected
Red Hat Red Hat Enterprise Linux 6
Default version status: unaffected
Red Hat Red Hat Enterprise Linux 7
Default version status: unaffected
Red Hat Red Hat Enterprise Linux 7
Default version status: unaffected
Red Hat Red Hat Enterprise Linux 8
Default version status: unaffected
Red Hat Red Hat Enterprise Linux 8
Default version status: unaffected
Red Hat Red Hat Enterprise Linux 9
Default version status: unaffected
Red Hat Red Hat Enterprise Linux 9
Default version status: unaffected
Fedora Fedora
Default version status: unaffected
References
- http://packetstormsecurity.com/files/175963/Kernel-Live-Patch-Security-Notice-LSN-0099-1.html ↗
- https://access.redhat.com/security/cve/CVE-2023-42752 ↗
- https://bugzilla.redhat.com/show_bug.cgi?id=2239828 ↗
- https://git.kernel.org/pub/scm/linux/kernel/git/netdev/net.git/commit/?id=915d975b2ffa ↗
- https://git.kernel.org/pub/scm/linux/kernel/git/netdev/net.git/commit/?id=c3b704d4a4a2 ↗