Integer Overflow or Wraparound Affecting kernel-uek-core package, versions <0:5.15.0-201.135.6.el8uek
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Test your applications- Snyk ID SNYK-ORACLE8-KERNELUEKCORE-6126310
- published 15 Dec 2023
- disclosed 13 Oct 2023
Introduced: 13 Oct 2023
CVE-2023-42752 Open this link in a new tabHow to fix?
Upgrade Oracle:8 kernel-uek-core to version 0:5.15.0-201.135.6.el8uek or higher.
This issue was patched in ELSA-2023-13043.
NVD Description
Note: Versions mentioned in the description apply only to the upstream kernel-uek-core package and not the kernel-uek-core package as distributed by Oracle.
See How to fix? for Oracle:8 relevant fixed versions and status.
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://linux.oracle.com/cve/CVE-2023-42752.html
- https://linux.oracle.com/errata/ELSA-2023-13043.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
- http://packetstormsecurity.com/files/175963/Kernel-Live-Patch-Security-Notice-LSN-0099-1.html