RHSA-2023:4819 — Security Advisory
Red Hat Security Advisory: kernel security and bug fix update
Severity
ImportantRed Hat Product Security
Products
Official CSAF product identity
Published · August 29, 2023
Updated · August 7, 2026
Topic
An update for kernel is now available for Red Hat Enterprise Linux 7.
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 packages contain the Linux kernel, the core of any Linux operating system.
Security Fix(es):
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kernel: cls_flower: out-of-bounds write in fl_set_geneve_opt() (CVE-2023-35788)
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hw: amd: Cross-Process Information Leak (CVE-2023-20593)
For more details about the security issue(s), including the impact, a CVSS score, acknowledgments, and other related information, refer to the CVE page(s) listed in the References section.
Bug Fix(es):
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nf_conntrack causing nfs to stall (BZ#2128262)
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Request to backport upstream commit 5e2d2cc2588b, 26a8b12747c9, and e98fa02c4f2e for RHEL 7.9.z (BZ#2180681)
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Fix soft lockup happens in gfs2_dir_get_hash_table() (BZ#2190450)