Use After Free Affecting kernel-devel-matched package, versions <0:5.14.0-362.18.1.el9_3
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Test your applications- Snyk ID SNYK-ORACLE9-KERNELDEVELMATCHED-6207727
- published 27 Jan 2024
- disclosed 6 Sep 2023
Introduced: 6 Sep 2023
CVE-2023-4015 Open this link in a new tabHow to fix?
Upgrade Oracle:9
kernel-devel-matched
to version 0:5.14.0-362.18.1.el9_3 or higher.
This issue was patched in ELSA-2024-0461
.
NVD Description
Note: Versions mentioned in the description apply only to the upstream kernel-devel-matched
package and not the kernel-devel-matched
package as distributed by Oracle
.
See How to fix?
for Oracle:9
relevant fixed versions and status.
A use-after-free vulnerability in the Linux kernel's netfilter: nf_tables component can be exploited to achieve local privilege escalation.
On an error when building a nftables rule, deactivating immediate expressions in nft_immediate_deactivate() can lead unbinding the chain and objects be deactivated but later used.
We recommend upgrading past commit 0a771f7b266b02d262900c75f1e175c7fe76fec2.
References
- https://linux.oracle.com/cve/CVE-2023-4015.html
- https://linux.oracle.com/errata/ELSA-2024-0461.html
- https://linux.oracle.com/errata/ELSA-2024-12094.html
- https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git/commit/?id=0a771f7b266b02d262900c75f1e175c7fe76fec2
- https://kernel.dance/0a771f7b266b02d262900c75f1e175c7fe76fec2
- https://www.debian.org/security/2023/dsa-5492