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Red Hat Security Advisory 2024-1877-03

Red Hat Security Advisory 2024-1877-03
Posted Apr 18, 2024
Authored by Red Hat | Site access.redhat.com

Red Hat Security Advisory 2024-1877-03 - An update for kernel is now available for Red Hat Enterprise Linux 8.6 Extended Update Support. Issues addressed include denial of service, information leakage, null pointer, and use-after-free vulnerabilities.

tags | advisory, denial of service, kernel, vulnerability
systems | linux, redhat
advisories | CVE-2021-26341
SHA-256 | 3db2b9f4e0af541aa428e404d176897254826c7b0bc083b76e4ff77025a7d43a

Red Hat Security Advisory 2024-1877-03

Change Mirror Download


The following advisory data is extracted from:

https://access.redhat.com/security/data/csaf/v2/advisories/2024/rhsa-2024_1877.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: Moderate: kernel security and bug fix update
Advisory ID: RHSA-2024:1877-03
Product: Red Hat Enterprise Linux
Advisory URL: https://access.redhat.com/errata/RHSA-2024:1877
Issue date: 2024-04-18
Revision: 03
CVE Names: CVE-2021-26341
====================================================================

Summary:

An update for kernel is now available for Red Hat Enterprise Linux 8.6 Extended Update Support.

Red Hat Product Security has rated this update as having a security impact of Moderate. 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 packages contain the Linux kernel, the core of any Linux operating system.

Security Fix(es):

* hw: cpu: AMD CPUs may transiently execute beyond unconditional direct branch (CVE-2021-26341)

* kernel: use-after-free and memory errors in ext4 when mounting and operating on a corrupted image (CVE-2022-1184)

* kernel: NULL pointer dereference in x86_emulate_insn may lead to DoS (CVE-2022-1852)

* kernel: use after free flaw in l2cap_conn_del in net/bluetooth/l2cap_core.c (CVE-2022-3640)

* kernel: Information leak in l2cap_parse_conf_req in net/bluetooth/l2cap_core.c (CVE-2022-42895)

* kernel: veth: ensure skb entering GRO are not cloned. (CVE-2021-47099)


Solution:

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



CVEs:

CVE-2021-26341

References:

https://access.redhat.com/security/updates/classification/#moderate
https://bugzilla.redhat.com/show_bug.cgi?id=2061703
https://bugzilla.redhat.com/show_bug.cgi?id=2070205
https://bugzilla.redhat.com/show_bug.cgi?id=2089815
https://bugzilla.redhat.com/show_bug.cgi?id=2139610
https://bugzilla.redhat.com/show_bug.cgi?id=2147356
https://bugzilla.redhat.com/show_bug.cgi?id=2267919

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