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Red Hat Security Advisory 2024-3414-03

Red Hat Security Advisory 2024-3414-03
Posted May 29, 2024
Authored by Red Hat | Site access.redhat.com

Red Hat Security Advisory 2024-3414-03 - An update for kernel-rt is now available for Red Hat Enterprise Linux 9.0 Extended Update Support. Issues addressed include a use-after-free vulnerability.

tags | advisory, kernel
systems | linux, redhat
advisories | CVE-2023-4244
SHA-256 | 40d77d69adb5e2550fc1ae5d76234e1f22a683b6850d518f5a324ae11e6d89c8

Red Hat Security Advisory 2024-3414-03

Change Mirror Download


The following advisory data is extracted from:

https://access.redhat.com/security/data/csaf/v2/advisories/2024/rhsa-2024_3414.json

Red Hat officially shut down their mailing list notifications October 10, 2023. Due to this, Packet Storm has recreated the below data as a reference point to raise awareness. It must be noted that due to an inability to easily track revision updates without crawling Red Hat's archive, these advisories are single notifications and we strongly suggest that you visit the Red Hat provided links to ensure you have the latest information available if the subject matter listed pertains to your environment.

- Packet Storm Staff




====================================================================
Red Hat Security Advisory

Synopsis: Important: kernel-rt security and bug fix update
Advisory ID: RHSA-2024:3414-03
Product: Red Hat Enterprise Linux
Advisory URL: https://access.redhat.com/errata/RHSA-2024:3414
Issue date: 2024-05-28
Revision: 03
CVE Names: CVE-2023-4244
====================================================================

Summary:

An update for kernel-rt is now available for Red Hat Enterprise Linux 9.0 Extended Update Support.

Red Hat Product Security has rated this update as having a security impact of Important. A Common Vulnerability Scoring System (CVSS) base score, which gives a detailed severity rating, is available for each vulnerability from the CVE link(s) in the References section.




Description:

The kernel-rt packages provide the Real Time Linux Kernel, which enables fine-tuning for systems with extremely high determinism requirements.

Security Fix(es):

* kernel: Marvin vulnerability side-channel leakage in the RSA decryption operation (CVE-2023-6240)

* kernel: nf_tables: use-after-free vulnerability in the nft_verdict_init() function (CVE-2024-1086)

* kernel: mlxsw: spectrum_acl_tcam: Fix stack corruption (CVE-2024-26586)

* kernel: netfilter: nftables: exthdr: fix 4-byte stack OOB write (CVE-2023-52628)

* kernel: Use-after-free in nft_verdict_dump due to a race between set GC and transaction (CVE-2023-4244)

* kernel: inactive elements in nft_pipapo_walk (CVE-2023-6817)

Bug Fix(es):

* kernel-rt: update RT source tree to the latest RHEL-9.0.z Batch 17 (JIRA:RHEL-32673)


Solution:

https://access.redhat.com/articles/11258



CVEs:

CVE-2023-4244

References:

https://access.redhat.com/security/updates/classification/#important
https://bugzilla.redhat.com/show_bug.cgi?id=2235306
https://bugzilla.redhat.com/show_bug.cgi?id=2250843
https://bugzilla.redhat.com/show_bug.cgi?id=2255139
https://bugzilla.redhat.com/show_bug.cgi?id=2262126
https://bugzilla.redhat.com/show_bug.cgi?id=2265645
https://bugzilla.redhat.com/show_bug.cgi?id=2272041

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