Access of Resource Using Incompatible Type ('Type Confusion') Affecting kernel-uek-core package, versions <0:5.15.0-8.91.4.1.el8uek
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Test your applications- Snyk ID SNYK-ORACLE8-KERNELUEKCORE-3364178
- published 18 Mar 2023
- disclosed 12 Jan 2023
Introduced: 12 Jan 2023
CVE-2023-23454 Open this link in a new tabHow to fix?
Upgrade Oracle:8 kernel-uek-core to version 0:5.15.0-8.91.4.1.el8uek or higher.
This issue was patched in ELSA-2023-12196.
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.
cbq_classify in net/sched/sch_cbq.c in the Linux kernel through 6.1.4 allows attackers to cause a denial of service (slab-out-of-bounds read) because of type confusion (non-negative numbers can sometimes indicate a TC_ACT_SHOT condition rather than valid classification results).
References
- https://linux.oracle.com/cve/CVE-2023-23454.html
- https://linux.oracle.com/errata/ELSA-2023-12196.html
- https://linux.oracle.com/errata/ELSA-2023-12206.html
- https://linux.oracle.com/errata/ELSA-2023-12207.html
- https://linux.oracle.com/errata/ELSA-2023-12375.html
- https://linux.oracle.com/errata/ELSA-2023-2951.html
- https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git/commit/?id=caa4b35b4317d5147b3ab0fbdc9c075c7d2e9c12
- https://www.openwall.com/lists/oss-security/2023/01/10/4
- https://www.openwall.com/lists/oss-security/2023/01/10/1
- https://www.debian.org/security/2023/dsa-5324
- https://lists.debian.org/debian-lts-announce/2023/03/msg00000.html
- https://lists.debian.org/debian-lts-announce/2023/05/msg00006.html