CVEvulnerability
CVE-2023-42752
5.5 MEDIUM
Official page ↗
- Status
- Modified
- Published
- 2023-10-13
- Last modified
- 2026-06-17
- Assigner
- [email protected]
- CVSS 3.1 ([email protected])
- 5.5 MEDIUM — CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H
- CVSS 3.1 ([email protected])
- 5.5 MEDIUM — CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H
- Weaknesses
- CWE-190
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 configurations
• linux linux kernel (<= 6.5.7)
Related
Weakness · CWE (1)
- CWE-190 Integer Overflow or Wraparound weakness
References
- http://packetstormsecurity.com/files/175963/Kernel-Live-Patch-Security-Notice-LSN-0099-1.html packetstormsecurity.com
- https://access.redhat.com/security/cve/CVE-2023-42752 Third Party Advisory
- https://bugzilla.redhat.com/show_bug.cgi?id=2239828 Issue Tracking, Third Party Advisory
- 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 Mailing List, Patch
- http://packetstormsecurity.com/files/175963/Kernel-Live-Patch-Security-Notice-LSN-0099-1.html packetstormsecurity.com
- https://access.redhat.com/security/cve/CVE-2023-42752 Third Party Advisory
- https://bugzilla.redhat.com/show_bug.cgi?id=2239828 Issue Tracking, Third Party Advisory
- 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 Mailing List, Patch