What is RHSA-2023:1923?

RHSA-2023:1923 is a security advisory published by Red Hat Product Security with High severity. Red Hat Security Advisory: kpatch-patch security update

Which CVE IDs does RHSA-2023:1923 cover?

RHSA-2023:1923 covers the following CVE IDs: CVE-2023-0461. Each CVE has its own detail page on EchelonGraph Pulse with the synthesized EG score.

What is the CVSS v3 score of RHSA-2023:1923?

RHSA-2023:1923 has a CVSS v3 base score of 7.8, published by Red Hat Product Security.

Which products are affected by RHSA-2023:1923?

RHSA-2023:1923 affects 43 products, including: Red Hat Enterprise Linux BaseOS EUS (v.8.6); kpatch-patch-4_18_0-372_32_1-0:1-6.el8_6.ppc64le as a component of Red Hat Enterprise Linux BaseOS EUS (v.8.6); kpatch-patch-4_18_0-372_32_1-0:1-6.el8_6.src as a component of Red Hat Enterprise Linux BaseOS EUS (v.8.6); kpatch-patch-4_18_0-372_32_1-0:1-6.el8_6.x86_64 as a component of Red Hat Enterprise Linux BaseOS EUS (v.8.6); kpatch-patch-4_18_0-372_32_1-debuginfo-0:1-6.el8_6.ppc64le as a component of Red Hat Enterprise Linux BaseOS EUS (v.8.6); and others — see the full list on the advisory page.

RHSA-2023:1923HighCVSS 7.8

Red Hat Security Advisory: kpatch-patch security update

Vendor

Red Hat Product Security

Published

April 21, 2023

Last Modified

August 6, 2026

🔗 CVE IDs covered (1)

CVE-2023-0461 →

📋 Description

CVE-2023-0461 — kernel: net/ulp: use-after-free in listening ULP sockets

🎯 Affected products43

Red Hat Enterprise Linux BaseOS EUS (v.8.6)
kpatch-patch-4_18_0-372_32_1-0:1-6.el8_6.ppc64le as a component of Red Hat Enterprise Linux BaseOS EUS (v.8.6)
kpatch-patch-4_18_0-372_32_1-0:1-6.el8_6.src as a component of Red Hat Enterprise Linux BaseOS EUS (v.8.6)
kpatch-patch-4_18_0-372_32_1-0:1-6.el8_6.x86_64 as a component of Red Hat Enterprise Linux BaseOS EUS (v.8.6)
kpatch-patch-4_18_0-372_32_1-debuginfo-0:1-6.el8_6.ppc64le as a component of Red Hat Enterprise Linux BaseOS EUS (v.8.6)
kpatch-patch-4_18_0-372_32_1-debuginfo-0:1-6.el8_6.x86_64 as a component of Red Hat Enterprise Linux BaseOS EUS (v.8.6)
kpatch-patch-4_18_0-372_32_1-debugsource-0:1-6.el8_6.ppc64le as a component of Red Hat Enterprise Linux BaseOS EUS (v.8.6)
kpatch-patch-4_18_0-372_32_1-debugsource-0:1-6.el8_6.x86_64 as a component of Red Hat Enterprise Linux BaseOS EUS (v.8.6)
kpatch-patch-4_18_0-372_36_1-0:1-5.el8_6.ppc64le as a component of Red Hat Enterprise Linux BaseOS EUS (v.8.6)
kpatch-patch-4_18_0-372_36_1-0:1-5.el8_6.src as a component of Red Hat Enterprise Linux BaseOS EUS (v.8.6)
kpatch-patch-4_18_0-372_36_1-0:1-5.el8_6.x86_64 as a component of Red Hat Enterprise Linux BaseOS EUS (v.8.6)
kpatch-patch-4_18_0-372_36_1-debuginfo-0:1-5.el8_6.ppc64le as a component of Red Hat Enterprise Linux BaseOS EUS (v.8.6)
kpatch-patch-4_18_0-372_36_1-debuginfo-0:1-5.el8_6.x86_64 as a component of Red Hat Enterprise Linux BaseOS EUS (v.8.6)
kpatch-patch-4_18_0-372_36_1-debugsource-0:1-5.el8_6.ppc64le as a component of Red Hat Enterprise Linux BaseOS EUS (v.8.6)
kpatch-patch-4_18_0-372_36_1-debugsource-0:1-5.el8_6.x86_64 as a component of Red Hat Enterprise Linux BaseOS EUS (v.8.6)
kpatch-patch-4_18_0-372_40_1-0:1-5.el8_6.ppc64le as a component of Red Hat Enterprise Linux BaseOS EUS (v.8.6)
kpatch-patch-4_18_0-372_40_1-0:1-5.el8_6.src as a component of Red Hat Enterprise Linux BaseOS EUS (v.8.6)
kpatch-patch-4_18_0-372_40_1-0:1-5.el8_6.x86_64 as a component of Red Hat Enterprise Linux BaseOS EUS (v.8.6)
kpatch-patch-4_18_0-372_40_1-debuginfo-0:1-5.el8_6.ppc64le as a component of Red Hat Enterprise Linux BaseOS EUS (v.8.6)
kpatch-patch-4_18_0-372_40_1-debuginfo-0:1-5.el8_6.x86_64 as a component of Red Hat Enterprise Linux BaseOS EUS (v.8.6)
kpatch-patch-4_18_0-372_40_1-debugsource-0:1-5.el8_6.ppc64le as a component of Red Hat Enterprise Linux BaseOS EUS (v.8.6)
kpatch-patch-4_18_0-372_40_1-debugsource-0:1-5.el8_6.x86_64 as a component of Red Hat Enterprise Linux BaseOS EUS (v.8.6)
kpatch-patch-4_18_0-372_41_1-0:1-4.el8_6.ppc64le as a component of Red Hat Enterprise Linux BaseOS EUS (v.8.6)
kpatch-patch-4_18_0-372_41_1-0:1-4.el8_6.src as a component of Red Hat Enterprise Linux BaseOS EUS (v.8.6)
kpatch-patch-4_18_0-372_41_1-0:1-4.el8_6.x86_64 as a component of Red Hat Enterprise Linux BaseOS EUS (v.8.6)
kpatch-patch-4_18_0-372_41_1-debuginfo-0:1-4.el8_6.ppc64le as a component of Red Hat Enterprise Linux BaseOS EUS (v.8.6)
kpatch-patch-4_18_0-372_41_1-debuginfo-0:1-4.el8_6.x86_64 as a component of Red Hat Enterprise Linux BaseOS EUS (v.8.6)
kpatch-patch-4_18_0-372_41_1-debugsource-0:1-4.el8_6.ppc64le as a component of Red Hat Enterprise Linux BaseOS EUS (v.8.6)
kpatch-patch-4_18_0-372_41_1-debugsource-0:1-4.el8_6.x86_64 as a component of Red Hat Enterprise Linux BaseOS EUS (v.8.6)
kpatch-patch-4_18_0-372_46_1-0:1-2.el8_6.ppc64le as a component of Red Hat Enterprise Linux BaseOS EUS (v.8.6)
+13 more not shown

✅ Remediation

For details on how to apply this update, which includes the changes described in this advisory, refer to: https://access.redhat.com/articles/11258 Workaround: To mitigate this issue, prevent module tls from being loaded. Please see https://access.redhat.com/solutions/41278 for how to blacklist a kernel module to prevent it from loading automatically.

🔗 CVE IDs covered (1)

📋 Description

🎯 Affected products43

✅ Remediation

🔗 References (4)