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Red Hat Security Advisory 2024-4412-03

Red Hat Security Advisory 2024-4412-03
Posted Jul 9, 2024
Authored by Red Hat | Site access.redhat.com

Red Hat Security Advisory 2024-4412-03 - An update for kernel-rt is now available for Red Hat Enterprise Linux 9.0 Update Services for SAP Solutions. Issues addressed include privilege escalation and use-after-free vulnerabilities.

tags | advisory, kernel, vulnerability
systems | linux, redhat
advisories | CVE-2023-52434
SHA-256 | 8f3a880b55e99c813f162538379e31b0db1ce6134a16f878bf8071d39dddcbb9

Red Hat Security Advisory 2024-4412-03

Change Mirror Download


The following advisory data is extracted from:

https://access.redhat.com/security/data/csaf/v2/advisories/2024/rhsa-2024_4412.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-2024:4412-03
Product: Red Hat Enterprise Linux
Advisory URL: https://access.redhat.com/errata/RHSA-2024:4412
Issue date: 2024-07-09
Revision: 03
CVE Names: CVE-2023-52434
====================================================================

Summary:

An update for kernel-rt is now available for Red Hat Enterprise Linux 9.0 Update Services for SAP Solutions.

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: netfilter: use-after-free in nft_trans_gc_catchall_sync leads to privilege escalation (CVE-2024-0193)

* kernel: smb: client: fix potential OOBs in smb2_parse_contexts() (CVE-2023-52434)

* kernel: netfilter: nft_ct: sanitize layer 3 and 4 protocol number in custom expectations (CVE-2024-26673)

Bug Fix(es):

* kernel-rt: update RT source tree to the latest RHEL-9.0.z Batch 18 (JIRA:RHEL-36756)

For more details about the security issue(s), including the impact, a CVSS score, acknowledgments, and other related information, refer the CVE page(s) listed in the References section.


Solution:

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



CVEs:

CVE-2023-52434

References:

https://access.redhat.com/security/updates/classification/#important
https://bugzilla.redhat.com/show_bug.cgi?id=2255653
https://bugzilla.redhat.com/show_bug.cgi?id=2265285
https://bugzilla.redhat.com/show_bug.cgi?id=2272816

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