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[RHSA-2023:1092] kernel-rt security and bug fix update

Severity Important
Affected Packages 10
CVEs 2
Info Packages References Vulnerabilities

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: stack overflow in do_proc_dointvec and proc_skip_spaces (CVE-2022-4378)

  • kernel: use-after-free related to leaf anon_vma double reuse (CVE-2022-42703)

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):

  • kernel-rt: update to the latest RHEL7.9.z21 source tree (BZ#2159523)
Package Affected Version
pkg:rpm/redhat/kernel-rt?arch=x86_64&distro=redhat-7 < 3.10.0-1160.88.1.rt56.1233.el7
pkg:rpm/redhat/kernel-rt-trace?arch=x86_64&distro=redhat-7 < 3.10.0-1160.88.1.rt56.1233.el7
pkg:rpm/redhat/kernel-rt-trace-kvm?arch=x86_64&distro=redhat-7 < 3.10.0-1160.88.1.rt56.1233.el7
pkg:rpm/redhat/kernel-rt-trace-devel?arch=x86_64&distro=redhat-7 < 3.10.0-1160.88.1.rt56.1233.el7
pkg:rpm/redhat/kernel-rt-kvm?arch=x86_64&distro=redhat-7 < 3.10.0-1160.88.1.rt56.1233.el7
pkg:rpm/redhat/kernel-rt-doc?distro=redhat-7 < 3.10.0-1160.88.1.rt56.1233.el7
pkg:rpm/redhat/kernel-rt-devel?arch=x86_64&distro=redhat-7 < 3.10.0-1160.88.1.rt56.1233.el7
pkg:rpm/redhat/kernel-rt-debug?arch=x86_64&distro=redhat-7 < 3.10.0-1160.88.1.rt56.1233.el7
pkg:rpm/redhat/kernel-rt-debug-kvm?arch=x86_64&distro=redhat-7 < 3.10.0-1160.88.1.rt56.1233.el7
pkg:rpm/redhat/kernel-rt-debug-devel?arch=x86_64&distro=redhat-7 < 3.10.0-1160.88.1.rt56.1233.el7
ID
RHSA-2023:1092
Severity
important
URL
https://access.redhat.com/errata/RHSA-2023:1092
Published
2023-03-07T00:00:00
(18 months ago)
Modified
2023-03-07T00:00:00
(18 months ago)
Rights
Copyright 2023 Red Hat, Inc.
Other Advisories
Type Package URL Namespace Name / Product Version Distribution / Platform Arch Patch / Fix
Affected pkg:rpm/redhat/kernel-rt?arch=x86_64&distro=redhat-7 redhat kernel-rt < 3.10.0-1160.88.1.rt56.1233.el7 redhat-7 x86_64
Affected pkg:rpm/redhat/kernel-rt-trace?arch=x86_64&distro=redhat-7 redhat kernel-rt-trace < 3.10.0-1160.88.1.rt56.1233.el7 redhat-7 x86_64
Affected pkg:rpm/redhat/kernel-rt-trace-kvm?arch=x86_64&distro=redhat-7 redhat kernel-rt-trace-kvm < 3.10.0-1160.88.1.rt56.1233.el7 redhat-7 x86_64
Affected pkg:rpm/redhat/kernel-rt-trace-devel?arch=x86_64&distro=redhat-7 redhat kernel-rt-trace-devel < 3.10.0-1160.88.1.rt56.1233.el7 redhat-7 x86_64
Affected pkg:rpm/redhat/kernel-rt-kvm?arch=x86_64&distro=redhat-7 redhat kernel-rt-kvm < 3.10.0-1160.88.1.rt56.1233.el7 redhat-7 x86_64
Affected pkg:rpm/redhat/kernel-rt-doc?distro=redhat-7 redhat kernel-rt-doc < 3.10.0-1160.88.1.rt56.1233.el7 redhat-7
Affected pkg:rpm/redhat/kernel-rt-devel?arch=x86_64&distro=redhat-7 redhat kernel-rt-devel < 3.10.0-1160.88.1.rt56.1233.el7 redhat-7 x86_64
Affected pkg:rpm/redhat/kernel-rt-debug?arch=x86_64&distro=redhat-7 redhat kernel-rt-debug < 3.10.0-1160.88.1.rt56.1233.el7 redhat-7 x86_64
Affected pkg:rpm/redhat/kernel-rt-debug-kvm?arch=x86_64&distro=redhat-7 redhat kernel-rt-debug-kvm < 3.10.0-1160.88.1.rt56.1233.el7 redhat-7 x86_64
Affected pkg:rpm/redhat/kernel-rt-debug-devel?arch=x86_64&distro=redhat-7 redhat kernel-rt-debug-devel < 3.10.0-1160.88.1.rt56.1233.el7 redhat-7 x86_64
# CVE Description CVSS EPSS EPSS Trend (30 days) Affected Products Weaknesses Security Advisories Exploits PoC Pubblication Date Modification Date
# CVE Description CVSS EPSS EPSS Trend (30 days) Affected Products Weaknesses Security Advisories PoC Pubblication Date Modification Date