- Issued:
- 2023-11-28
- Updated:
- 2023-11-28
RHSA-2023:7551 - Security Advisory
Synopsis
Important: kernel-rt security update
Type/Severity
Security Advisory: Important
Red Hat Insights patch analysis
Identify and remediate systems affected by this advisory.
Topic
An update for kernel-rt is now available for Red Hat Enterprise Linux 8.4 Advanced Mission Critical Update Support, Red Hat Enterprise Linux 8.4 Telecommunications Update Service, and Red Hat Enterprise Linux 8.4 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: use after free in nvmet_tcp_free_crypto in NVMe (CVE-2023-5178)
- 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.
Solution
For details on how to apply this update, which includes the changes described in this advisory, refer to:
https://access.redhat.com/articles/11258
The system must be rebooted for this update to take effect.
Affected Products
- Red Hat Enterprise Linux for Real Time - Telecommunications Update Service 8.4 x86_64
- Red Hat Enterprise Linux for Real Time for NFV - Telecommunications Update Service 8.4 x86_64
Fixes
- BZ - 2217845 - CVE-2023-20593 hw: amd: Cross-Process Information Leak
- BZ - 2241924 - CVE-2023-5178 kernel: use after free in nvmet_tcp_free_crypto in NVMe
Red Hat Enterprise Linux for Real Time - Telecommunications Update Service 8.4
SRPM | |
---|---|
kernel-rt-4.18.0-305.114.1.rt7.190.el8_4.src.rpm | SHA-256: d821877e3e8c8f4cbbbbd743e2790eb831eace8c42197fce75f727c6bed04ecf |
x86_64 | |
kernel-rt-4.18.0-305.114.1.rt7.190.el8_4.x86_64.rpm | SHA-256: 034938cd6a6c6d9ccdf3d48c1f6c2214bf59d16837abbc776047610a039cf6ac |
kernel-rt-core-4.18.0-305.114.1.rt7.190.el8_4.x86_64.rpm | SHA-256: 6300580e0c979705adc1d1ed7db05a0f3a26a96221b0739eef81a4504b5e2dd2 |
kernel-rt-debug-4.18.0-305.114.1.rt7.190.el8_4.x86_64.rpm | SHA-256: 018790937143b641b313da81d59b42eba24b312d6a442407babf802143bf4de5 |
kernel-rt-debug-core-4.18.0-305.114.1.rt7.190.el8_4.x86_64.rpm | SHA-256: ee5c33cb4b279d491d8570aa74ba151cd9e21886f23cd21b51d5e58effc740ce |
kernel-rt-debug-debuginfo-4.18.0-305.114.1.rt7.190.el8_4.x86_64.rpm | SHA-256: 80fe7241a4669cd9c67967cc1d82fa7f1f73548409d9b3e5e60b270e843f7117 |
kernel-rt-debug-devel-4.18.0-305.114.1.rt7.190.el8_4.x86_64.rpm | SHA-256: beab9f84ebcc1e430eced9cb21b840836abd9d3785e1612df10ebcab12876564 |
kernel-rt-debug-modules-4.18.0-305.114.1.rt7.190.el8_4.x86_64.rpm | SHA-256: a650abea789b08f7265850dbbb67968a6253571cf97fd77bc85002b17f68e475 |
kernel-rt-debug-modules-extra-4.18.0-305.114.1.rt7.190.el8_4.x86_64.rpm | SHA-256: 25377151b91afa766e4c83e182fb51f18b4b8ee60d3f43890725743b1aeae968 |
kernel-rt-debuginfo-4.18.0-305.114.1.rt7.190.el8_4.x86_64.rpm | SHA-256: 1db8dcf604a2a0b7f3f44462c39e7c166dfea27e6d94452e00d6aea3272c6d58 |
kernel-rt-debuginfo-common-x86_64-4.18.0-305.114.1.rt7.190.el8_4.x86_64.rpm | SHA-256: 9f59018839c66242b4804a55a21b111d649016d359a388614d2b4b060a7eeb3d |
kernel-rt-devel-4.18.0-305.114.1.rt7.190.el8_4.x86_64.rpm | SHA-256: 9ae595b4702de1707790a8dc4453acf6630da2e9812d9a41d87db75f1ec13f24 |
kernel-rt-modules-4.18.0-305.114.1.rt7.190.el8_4.x86_64.rpm | SHA-256: 20754f49c6f531e6978ad8097d85925549a6a130576861bc456d61962a756f91 |
kernel-rt-modules-extra-4.18.0-305.114.1.rt7.190.el8_4.x86_64.rpm | SHA-256: 7b768cc12595003402df22f1904bffd0b14471643d98651bb0d59bb006cb2da4 |
Red Hat Enterprise Linux for Real Time for NFV - Telecommunications Update Service 8.4
SRPM | |
---|---|
kernel-rt-4.18.0-305.114.1.rt7.190.el8_4.src.rpm | SHA-256: d821877e3e8c8f4cbbbbd743e2790eb831eace8c42197fce75f727c6bed04ecf |
x86_64 | |
kernel-rt-4.18.0-305.114.1.rt7.190.el8_4.x86_64.rpm | SHA-256: 034938cd6a6c6d9ccdf3d48c1f6c2214bf59d16837abbc776047610a039cf6ac |
kernel-rt-core-4.18.0-305.114.1.rt7.190.el8_4.x86_64.rpm | SHA-256: 6300580e0c979705adc1d1ed7db05a0f3a26a96221b0739eef81a4504b5e2dd2 |
kernel-rt-debug-4.18.0-305.114.1.rt7.190.el8_4.x86_64.rpm | SHA-256: 018790937143b641b313da81d59b42eba24b312d6a442407babf802143bf4de5 |
kernel-rt-debug-core-4.18.0-305.114.1.rt7.190.el8_4.x86_64.rpm | SHA-256: ee5c33cb4b279d491d8570aa74ba151cd9e21886f23cd21b51d5e58effc740ce |
kernel-rt-debug-debuginfo-4.18.0-305.114.1.rt7.190.el8_4.x86_64.rpm | SHA-256: 80fe7241a4669cd9c67967cc1d82fa7f1f73548409d9b3e5e60b270e843f7117 |
kernel-rt-debug-devel-4.18.0-305.114.1.rt7.190.el8_4.x86_64.rpm | SHA-256: beab9f84ebcc1e430eced9cb21b840836abd9d3785e1612df10ebcab12876564 |
kernel-rt-debug-kvm-4.18.0-305.114.1.rt7.190.el8_4.x86_64.rpm | SHA-256: f7b29baba18a4c39b49bfe81451e5308ce61c0c144fd6b73474956bca0f8365c |
kernel-rt-debug-modules-4.18.0-305.114.1.rt7.190.el8_4.x86_64.rpm | SHA-256: a650abea789b08f7265850dbbb67968a6253571cf97fd77bc85002b17f68e475 |
kernel-rt-debug-modules-extra-4.18.0-305.114.1.rt7.190.el8_4.x86_64.rpm | SHA-256: 25377151b91afa766e4c83e182fb51f18b4b8ee60d3f43890725743b1aeae968 |
kernel-rt-debuginfo-4.18.0-305.114.1.rt7.190.el8_4.x86_64.rpm | SHA-256: 1db8dcf604a2a0b7f3f44462c39e7c166dfea27e6d94452e00d6aea3272c6d58 |
kernel-rt-debuginfo-common-x86_64-4.18.0-305.114.1.rt7.190.el8_4.x86_64.rpm | SHA-256: 9f59018839c66242b4804a55a21b111d649016d359a388614d2b4b060a7eeb3d |
kernel-rt-devel-4.18.0-305.114.1.rt7.190.el8_4.x86_64.rpm | SHA-256: 9ae595b4702de1707790a8dc4453acf6630da2e9812d9a41d87db75f1ec13f24 |
kernel-rt-kvm-4.18.0-305.114.1.rt7.190.el8_4.x86_64.rpm | SHA-256: 0e21fbaa45e44f844eeb9538d9314d317f95702761211f0523d123947367ba5c |
kernel-rt-modules-4.18.0-305.114.1.rt7.190.el8_4.x86_64.rpm | SHA-256: 20754f49c6f531e6978ad8097d85925549a6a130576861bc456d61962a756f91 |
kernel-rt-modules-extra-4.18.0-305.114.1.rt7.190.el8_4.x86_64.rpm | SHA-256: 7b768cc12595003402df22f1904bffd0b14471643d98651bb0d59bb006cb2da4 |
The Red Hat security contact is secalert@redhat.com. More contact details at https://access.redhat.com/security/team/contact/.