Race Condition 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-6126471
- published 15 Dec 2023
- disclosed 28 Sep 2023
Introduced: 28 Sep 2023
CVE-2023-42756 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.
A flaw was found in the Netfilter subsystem of the Linux kernel. A race condition between IPSET_CMD_ADD and IPSET_CMD_SWAP can lead to a kernel panic due to the invocation of __ip_set_put on a wrong set. This issue may allow a local user to crash the system.
References
- https://linux.oracle.com/cve/CVE-2023-42756.html
- https://linux.oracle.com/errata/ELSA-2023-13043.html
- https://linux.oracle.com/errata/ELSA-2024-2394.html
- https://access.redhat.com/security/cve/CVE-2023-42756
- https://bugzilla.redhat.com/show_bug.cgi?id=2239848
- https://seclists.org/oss-sec/2023/q3/242
- https://lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/message/V5PDNWPKAP3WL5RQZ4RIDS6MG32OHH5R/
- https://lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/message/GISYSL3F6WIEVGHJGLC2MFNTUXHPTKQH/
- https://lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/message/GPMICQ2HVZO5UAM5KPXHAZKA2U3ZDOO6/
- https://lists.debian.org/debian-lts-announce/2023/10/msg00027.html
- https://access.redhat.com/errata/RHSA-2024:2394