CVE-2023-42752
MEDIUMLinux Kernel < 6.5.7 - Integer Overflow in skb_shared_info Allocation
Title source: llmDescription
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 (5)
Core 5
Core References
Mailing List, Patch
https://git.kernel.org/pub/scm/linux/kernel/git/netdev/net.git/commit/?id=915d975b2ffa
Mailing List, Patch
https://git.kernel.org/pub/scm/linux/kernel/git/netdev/net.git/commit/?id=c3b704d4a4a2
Exploit, Third Party Advisory
http://packetstormsecurity.com/files/175963/Kernel-Live-Patch-Security-Notice-LSN-0099-1.html
Third Party Advisory vdb-entry
x_refsource_redhat
https://access.redhat.com/security/cve/CVE-2023-42752
Issue Tracking, Third Party Advisory issue-tracking
x_refsource_redhat
https://bugzilla.redhat.com/show_bug.cgi?id=2239828
Scores
CVSS v3
5.5
EPSS
0.0027
EPSS Percentile
17.8%
Attack Vector
LOCAL
CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H
Details
CWE
CWE-190
Status
published
Products (1)
linux/linux_kernel
< 6.5.7
Published
Oct 13, 2023
Tracked Since
Feb 18, 2026