Use After Free Affecting kernel-debug-uki-virt package, versions <0:5.14.0-284.18.1.el9_2
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Test your applications- Snyk ID SNYK-ORACLE9-KERNELDEBUGUKIVIRT-5805199
- published 4 Jun 2023
- disclosed 8 May 2023
Introduced: 8 May 2023
CVE-2023-32233 Open this link in a new tabHow to fix?
Upgrade Oracle:9
kernel-debug-uki-virt
to version 0:5.14.0-284.18.1.el9_2 or higher.
This issue was patched in ELSA-2023-3723
.
NVD Description
Note: Versions mentioned in the description apply only to the upstream kernel-debug-uki-virt
package and not the kernel-debug-uki-virt
package as distributed by Oracle
.
See How to fix?
for Oracle:9
relevant fixed versions and status.
In the Linux kernel through 6.3.1, a use-after-free in Netfilter nf_tables when processing batch requests can be abused to perform arbitrary read and write operations on kernel memory. Unprivileged local users can obtain root privileges. This occurs because anonymous sets are mishandled.
References
- https://linux.oracle.com/cve/CVE-2023-32233.html
- https://linux.oracle.com/errata/ELSA-2023-12393.html
- https://linux.oracle.com/errata/ELSA-2023-12394.html
- https://linux.oracle.com/errata/ELSA-2023-12412.html
- https://linux.oracle.com/errata/ELSA-2023-12413.html
- https://linux.oracle.com/errata/ELSA-2023-3349.html
- https://linux.oracle.com/errata/ELSA-2023-3723.html
- https://linux.oracle.com/errata/ELSA-2023-5622.html
- https://bugzilla.redhat.com/show_bug.cgi?id=2196105
- https://git.kernel.org/cgit/linux/kernel/git/torvalds/linux.git/commit/?id=c1592a89942e9678f7d9c8030efa777c0d57edab
- https://github.com/torvalds/linux/commit/c1592a89942e9678f7d9c8030efa777c0d57edab
- https://news.ycombinator.com/item?id=35879660
- https://www.openwall.com/lists/oss-security/2023/05/08/4
- http://packetstormsecurity.com/files/173087/Kernel-Live-Patch-Security-Notice-LSN-0095-1.html
- http://www.openwall.com/lists/oss-security/2023/05/15/5
- https://lists.debian.org/debian-lts-announce/2023/06/msg00008.html
- https://lists.debian.org/debian-lts-announce/2023/07/msg00030.html
- https://security.netapp.com/advisory/ntap-20230616-0002/
- https://www.debian.org/security/2023/dsa-5402