Alerts This Week
Warning Icon 1 714
Alerts This Week
Warning Icon 1 714

Red Hat Enterprise Linux 8.2: RHSA-2023-4125-01 Key Kernel Security Updates

red hat
Calendar Grey July 18, 2023
Dist Redhat Esm H88
Crucial firmware security patch for CentOS Stream dealing with several threats, safeguarding system resilience.
An update for kernel is now available for Red Hat Enterprise Linux 8.2 Advanced Update Support, Red Hat Enterprise Linux 8.2 Telecommunications Update Service, and Red Hat Enterpri...

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.

Summary

The kernel packages contain the Linux kernel, the core of any Linux operating system.
Security Fix(es):
* kernel: net/ulp: use-after-free in listening ULP sockets (CVE-2023-0461)
* kernel: tcindex: use-after-free vulnerability in traffic control index filter allows privilege escalation (CVE-2023-1281)
* kernel: remote DoS in TIPC kernel module (CVE-2023-1390)
* kernel: netfilter: use-after-free in nf_tables when processing batch requests can lead to privilege escalation (CVE-2023-32233)
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):
* RHEL8.1 Snapshot3 - PVT:940:virt:4TB:LPM operation failed by returning HSCLA2CF, HSCL365C SRC's - Linux partition suspend timeout (-> documentation/Linux Alert through LTC bug 182549) (BZ#2151218)
* i40e: Set RX_ONLY mode for unicast promiscuous on VLAN (BZ#2171382)
* Invalid character detected by rpminspect in Documentation/translations/zh_CN/process/magic-number.rst (BZ#2208288)

Topics%20covered

Topics Covered

security advisory Red Hat privilege escalation bug fix DoS kernel security system integrity

References

https://access.redhat.com/security/cve/CVE-2023-0461 https://access.redhat.com/security/cve/CVE-2023-1281 https://access.redhat.com/security/cve/CVE-2023-1390 https://access.redhat.com/security/cve/CVE-2023-32233 https://access.redhat.com/security/updates/classification/#important

Package List

Red Hat Enterprise Linux BaseOS AUS (v. 8.2):
Source: kernel-4.18.0-193.109.1.el8_2.src.rpm
aarch64: bpftool-4.18.0-193.109.1.el8_2.aarch64.rpm bpftool-debuginfo-4.18.0-193.109.1.el8_2.aarch64.rpm kernel-4.18.0-193.109.1.el8_2.aarch64.rpm kernel-core-4.18.0-193.109.1.el8_2.aarch64.rpm kernel-cross-headers-4.18.0-193.109.1.el8_2.aarch64.rpm kernel-debug-4.18.0-193.109.1.el8_2.aarch64.rpm kernel-debug-core-4.18.0-193.109.1.el8_2.aarch64.rpm kernel-debug-debuginfo-4.18.0-193.109.1.el8_2.aarch64.rpm kernel-debug-devel-4.18.0-193.109.1.el8_2.aarch64.rpm kernel-debug-modules-4.18.0-193.109.1.el8_2.aarch64.rpm kernel-debug-modules-extra-4.18.0-193.109.1.el8_2.aarch64.rpm kernel-debuginfo-4.18.0-193.109.1.el8_2.aarch64.rpm kernel-debuginfo-common-aarch64-4.18.0-193.109.1.el8_2.aarch64.rpm kernel-devel-4.18.0-193.109.1.el8_2.aarch64.rpm kernel-headers-4.18.0-193.109.1.el8_2.aarch64.rpm kernel-modules-4.18.0-193.109.1.el8_2.aarch64.rpm kernel-modules-extra-4.18.0-193.109.1.el8_2.aarch64.rpm kernel-tools-4.18.0-193.109.1.el8_2.aarch64.rpm kernel-tools-debuginfo-4.18.0-193.109.1.el8_2.aarch64.rpm kernel-tools-libs-4.18.0-193.109.1.el8_2.aarch64.rpm perf-4.18.0-193.109.1.el8_2.aarch64.rpm perf-debuginfo-4.18.0-193.109.1.el8_2.aarch64.rpm

Read the Full Advisory


Severity
important
Lowest
Low
Medium
High
Critical

Advisory ID: RHSA-2023:4125-01
Product: Red Hat Enterprise Linux
Advisory URL: https://access.redhat.com/errata/RHSA-2023:4125
Issue date: 2023-07-18

Topic

An update for kernel is now available for Red Hat Enterprise Linux 8.2Advanced Update Support, Red Hat Enterprise Linux 8.2 TelecommunicationsUpdate Service, and Red Hat Enterprise Linux 8.2 Update Services for SAPSolutions.Red Hat Product Security has rated this update as having a security impactof Important. A Common Vulnerability Scoring System (CVSS) base score,which gives a detailed severity rating, is available for each vulnerabilityfrom the CVE link(s) in the References section.

Topics%20covered

Topics Covered

security advisory Red Hat privilege escalation bug fix DoS kernel security system integrity

Relevant Releases Architectures

Red Hat Enterprise Linux BaseOS AUS (v. 8.2) - aarch64, noarch, ppc64le, s390x, x86_64

Red Hat Enterprise Linux BaseOS E4S (v. 8.2) - aarch64, noarch, ppc64le, s390x, x86_64

Red Hat Enterprise Linux BaseOS TUS (v. 8.2) - aarch64, noarch, ppc64le, s390x, x86_64

Bugs Fixed

2176192 - CVE-2023-0461 kernel: net/ulp: use-after-free in listening ULP sockets

2178212 - CVE-2023-1390 kernel: remote DoS in TIPC kernel module

2181847 - CVE-2023-1281 kernel: tcindex: use-after-free vulnerability in traffic control index filter allows privilege escalation

2196105 - CVE-2023-32233 kernel: netfilter: use-after-free in nf_tables when processing batch requests can lead to privilege escalation

Get the latest News and Insights

Get the latest Linux and open source security news straight to your inbox.

Your message here