Use After Free Affecting kernel-core package, versions <0:5.14.0-284.48.1.el9_2
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Test your applications- Snyk ID SNYK-RHEL9-KERNELCORE-6196382
- published 26 Jan 2024
- disclosed 6 Sep 2023
Introduced: 6 Sep 2023
CVE-2023-4015 Open this link in a new tabHow to fix?
Upgrade RHEL:9
kernel-core
to version 0:5.14.0-284.48.1.el9_2 or higher.
This issue was patched in RHSA-2024:0448
.
NVD Description
Note: Versions mentioned in the description apply only to the upstream kernel-core
package and not the kernel-core
package as distributed by RHEL
.
See How to fix?
for RHEL: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.