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

Red Hat 9.0 Important: RHSA-2023-1970-01 Critical Privilege Escalation

red hat
Calendar Grey April 25, 2023
Dist Redhat Esm H88
Important kernel stability upgrade for Red Hat Enterprise Linux 9.0 addresses privilege escalation flaws through corrective measures.
An update for kernel is now available for Red Hat Enterprise Linux 9.0 Extended Update Support

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: FUSE filesystem low-privileged user privileges escalation (CVE-2023-0386)
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):
* RHEL9.0 64TB/240c Denali: "vmcore failed, _exitcode:139" error observed while capturing vmcore during fadump after memory remove. Incomplete vmcore is captured. (BZ#2151214)
* Support cpuset.sched_load_balance by changing default CPUset directory structure. (BZ#2161106)
* CSB.V bit never becomes valid for NX Gzip job during LPAR migration. (BZ#2166251)
* Update intel_idle for Eaglestream/Sapphire Rapids support. (BZ#2168359)
* An application stopped on robust futex used via pthread_mutex_lock(). (BZ#2168837)
* FVTR1020:Rainier:Non-HMC:MPIPL Dump is not getting offloaded to Linux partition. (BZ#2170853)
* update qla2xxx driver to latest upstream. (BZ#2171812)
* MSFT MANA NET Patch RHEL-9: Fix accessing freed irq affinity_hint. (BZ#2175254)
* In FIPS mode, kernel does not transition into error state when RCT or APT health tests fail. (BZ#2181729)

Topics%20covered

Topics Covered

security advisory Red Hat kernel update privilege escalation bug fix security impact EUS

References

https://access.redhat.com/security/cve/CVE-2023-0386 https://access.redhat.com/security/updates/classification#important

Package List

Red Hat Enterprise Linux AppStream EUS (v.9.0):
aarch64: bpftool-debuginfo-5.14.0-70.53.1.el9_0.aarch64.rpm kernel-debug-debuginfo-5.14.0-70.53.1.el9_0.aarch64.rpm kernel-debug-devel-5.14.0-70.53.1.el9_0.aarch64.rpm kernel-debug-devel-matched-5.14.0-70.53.1.el9_0.aarch64.rpm kernel-debuginfo-5.14.0-70.53.1.el9_0.aarch64.rpm kernel-debuginfo-common-aarch64-5.14.0-70.53.1.el9_0.aarch64.rpm kernel-devel-5.14.0-70.53.1.el9_0.aarch64.rpm kernel-devel-matched-5.14.0-70.53.1.el9_0.aarch64.rpm kernel-headers-5.14.0-70.53.1.el9_0.aarch64.rpm kernel-tools-debuginfo-5.14.0-70.53.1.el9_0.aarch64.rpm perf-5.14.0-70.53.1.el9_0.aarch64.rpm perf-debuginfo-5.14.0-70.53.1.el9_0.aarch64.rpm python3-perf-debuginfo-5.14.0-70.53.1.el9_0.aarch64.rpm
noarch: kernel-doc-5.14.0-70.53.1.el9_0.noarch.rpm
ppc64le: bpftool-debuginfo-5.14.0-70.53.1.el9_0.ppc64le.rpm kernel-debug-debuginfo-5.14.0-70.53.1.el9_0.ppc64le.rpm kernel-debug-devel-5.14.0-70.53.1.el9_0.ppc64le.rpm kernel-debug-devel-matched-5.14.0-70.53.1.el9_0.ppc64le.rpm kernel-debuginfo-5.14.0-70.53.1.el9_0.ppc64le.rpm kernel-debuginfo-common-ppc64le-5.14.0-70.53.1.el9_0.ppc64le.rpm kernel-devel-5.14.0-70.53.1.el9_0.ppc64le.rpm kernel-devel-matched-5.14.0-70.53.1.el9_0.ppc64le.rpm kernel-headers-5.14.0-70.53.1.el9_0.ppc64le.rpm

Read the Full Advisory


Severity
important
Lowest
Low
Medium
High
Critical

Advisory ID: RHSA-2023:1970-01
Product: Red Hat Enterprise Linux
Advisory URL: https://access.redhat.com/errata/RHSA-2023:1970
Issue date: 2023-04-25

Topic

An update for kernel is now available for Red Hat Enterprise Linux 9.0Extended Update Support.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 kernel update privilege escalation bug fix security impact EUS

Relevant Releases Architectures

Red Hat CodeReady Linux Builder EUS (v.9.0) - aarch64, ppc64le, s390x, x86_64

Red Hat Enterprise Linux AppStream EUS (v.9.0) - aarch64, noarch, ppc64le, s390x, x86_64

Red Hat Enterprise Linux BaseOS EUS (v.9.0) - aarch64, noarch, ppc64le, s390x, x86_64

Bugs Fixed

2159505 - CVE-2023-0386 kernel: FUSE filesystem low-privileged user privileges escalation

Get the latest News and Insights

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

Your message here