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Red Hat Enterprise Linux 7 RHSA-2023-1093-01 Important Local Escalation Fix

red hat
Calendar Grey March 7, 2023
Dist Redhat Esm H88
Elevate your Red Hat Enterprise experience by applying a critical security patch for pesign that mitigates risks associated with local privilege escalation.
An update for pesign is now available for Red Hat Enterprise Linux 7

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

Summary

The pesign packages provide the pesign utility for signing UEFI binaries as well as other associated tools.
Security Fix(es):
* pesign: Local privilege escalation on pesign systemd service (CVE-2022-3560)
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.

Topics%20covered

Topics Covered

security advisory privilege escalation important red hat enterprise local escalation systemd service pesign update

References

https://access.redhat.com/security/cve/CVE-2022-3560 https://access.redhat.com/security/updates/classification#important

Package List

Red Hat Enterprise Linux Client Optional (v. 7):
Source: pesign-0.109-11.el7_9.src.rpm
x86_64: pesign-0.109-11.el7_9.x86_64.rpm pesign-debuginfo-0.109-11.el7_9.x86_64.rpm
Red Hat Enterprise Linux ComputeNode Optional (v. 7):
Source: pesign-0.109-11.el7_9.src.rpm
x86_64: pesign-0.109-11.el7_9.x86_64.rpm pesign-debuginfo-0.109-11.el7_9.x86_64.rpm
Red Hat Enterprise Linux Server Optional (v. 7):
Source: pesign-0.109-11.el7_9.src.rpm
x86_64: pesign-0.109-11.el7_9.x86_64.rpm pesign-debuginfo-0.109-11.el7_9.x86_64.rpm
Red Hat Enterprise Linux Workstation Optional (v. 7):
Source: pesign-0.109-11.el7_9.src.rpm
x86_64: pesign-0.109-11.el7_9.x86_64.rpm pesign-debuginfo-0.109-11.el7_9.x86_64.rpm
These packages are GPG signed by Red Hat for security. Our key and details on how to verify the signature are available from https://access.redhat.com/security/team/key


Severity
important
Lowest
Low
Medium
High
Critical

Advisory ID: RHSA-2023:1093-01
Product: Red Hat Enterprise Linux
Advisory URL: https://access.redhat.com/errata/RHSA-2023:1093
Issue date: 2023-03-07

Topic

An update for pesign is now available for Red Hat Enterprise Linux 7.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 privilege escalation important red hat enterprise local escalation systemd service pesign update

Relevant Releases Architectures

Red Hat Enterprise Linux Client Optional (v. 7) - x86_64

Red Hat Enterprise Linux ComputeNode Optional (v. 7) - x86_64

Red Hat Enterprise Linux Server Optional (v. 7) - x86_64

Red Hat Enterprise Linux Workstation Optional (v. 7) - x86_64

Bugs Fixed

2135420 - CVE-2022-3560 pesign: Local privilege escalation on pesign systemd service

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