The following advisory data is extracted from:

https://access.redhat.com/security/data/csaf/v2/advisories/2024/rhsa-2024_1881.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

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Red Hat Security Advisory

Synopsis: Moderate: kernel security and bug fix update
Advisory ID: RHSA-2024:1881-03
Product: Red Hat Enterprise Linux
Advisory URL: https://access.redhat.com/errata/RHSA-2024:1881
Issue date: 2024-04-18
Revision: 03
CVE Names: CVE-2023-6240
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Summary:

An update for kernel is now available for Red Hat Enterprise Linux 9.2 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):

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

* kernel: tls: use-after-free with partial reads and async decrypt (CVE-2024-26582)

* kernel: tls: handle backlogging of crypto requests (CVE-2024-26584)

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

Bug Fix(es):

* [Lenovo RHEL9] Realtek patch for P1 G6 Audio (BZ#2208068)

* Please integrate commit b949ee6801f4 (\"powerpc/fadump: invoke ibm,os-term with rtas_call_unlocked()\") (JIRA:RHEL-17106)

* PVT:1050:XM:Nimitz Linux EEH Nimitz - After FATAL Injection BIT 13 on D10 Register, unable to see the htx traffic status after long time (JIRA:RHEL-22413)

* RHEL9.2 - Performance Degradation in the Case of Asymmetric Scheduler Domains in Linux (JIRA:RHEL-24862)

* kernel: mlxsw: spectrum_acl_tcam: Fix stack corruption (JIRA:RHEL-29186)

* kernel NULL pointer dereference from nvme_fc_io_getuuid+0xc/0x30 [nvme_fc] (JIRA:RHEL-29221)

* sched_setaffinity(2) returns undocumented error ENODEV (JIRA:RHEL-21140)

* kernel: tls: use-after-free with partial reads and async decrypt (JIRA:RHEL-26396)

* kernel: Marvin vulnerability side-channel leakage in the RSA decryption operation (JIRA:RHEL-27840)

* sched_setaffinity(2) doesn't return -1 for an empty mask (JIRA:RHEL-29540)

* [EMR] [TBOOT OS] SUT could not go to S3 state with RHEL 9.2 Tboot OS One CPU return -16 running BUSY (JIRA:RHEL-29665)

* ipoib mcast lockup fix (JIRA:RHEL-29923)

* ice 0000:6f:00.0: PTP failed to get time (JIRA:RHEL-30108)

* blk-mq: don't schedule blk-mq kworkers on isolated CPUs (JIRA:RHEL-30418)

* kernel: tls: handle backlogging of crypto requests (JIRA:RHEL-30450)

* Kernel panic in skb_segment (JIRA:RHEL-30561)

* [IBM 9.4 FEAT] Update IBM vNIC Driver (ibmvnic) (JIRA:RHEL-28648)

* SCTP OOTB scenario in OVS/Netfilter where the SCTP connection can not be recovered by HB_REQ/HB_ACK (JIRA:RHEL-29949)

Solution:

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

CVEs:

CVE-2023-6240

References:

https://access.redhat.com/security/updates/classification/#moderate
https://bugzilla.redhat.com/show_bug.cgi?id=2250843
https://bugzilla.redhat.com/show_bug.cgi?id=2265518
https://bugzilla.redhat.com/show_bug.cgi?id=2265519
https://bugzilla.redhat.com/show_bug.cgi?id=2265645