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redhatRedHatRHSA-2023:1469
HistoryMar 27, 2023 - 7:47 a.m.

(RHSA-2023:1469) Important: kernel-rt security and bug fix update

2023-03-2707:47:53
access.redhat.com
43
real time linux kernel
security fixes
bug fixes
tun module
alsa pcm
cpu soft lockup
cve-2022-4744
cve-2023-0266
cve-2022-4269
rhel-9.1.z3 batch
unix

0.001 Low

EPSS

Percentile

41.2%

JSON

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: tun: avoid double free in tun_free_netdev (CVE-2022-4744)

  • ALSA: pcm: Move rwsem lock inside snd_ctl_elem_read to prevent UAF (CVE-2023-0266)

  • kernel: net: CPU soft lockup in TC mirred egress-to-ingress action (CVE-2022-4269)

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 RT source tree to the latest RHEL-9.1.z3 Batch (BZ#2170460)
OSVersionArchitecturePackageVersionFilename
RedHat9x86_64kernel-rt-debug-modules< 5.14.0-162.22.2.rt21.186.el9_1kernel-rt-debug-modules-5.14.0-162.22.2.rt21.186.el9_1.x86_64.rpm
RedHat9x86_64kernel-rt-modules< 5.14.0-162.22.2.rt21.186.el9_1kernel-rt-modules-5.14.0-162.22.2.rt21.186.el9_1.x86_64.rpm
RedHat9x86_64kernel-rt-debuginfo< 5.14.0-162.22.2.rt21.186.el9_1kernel-rt-debuginfo-5.14.0-162.22.2.rt21.186.el9_1.x86_64.rpm
RedHat9x86_64kernel-rt-debug-devel< 5.14.0-162.22.2.rt21.186.el9_1kernel-rt-debug-devel-5.14.0-162.22.2.rt21.186.el9_1.x86_64.rpm
RedHat9x86_64kernel-rt-debug-debuginfo< 5.14.0-162.22.2.rt21.186.el9_1kernel-rt-debug-debuginfo-5.14.0-162.22.2.rt21.186.el9_1.x86_64.rpm
RedHat9x86_64kernel-rt-kvm< 5.14.0-162.22.2.rt21.186.el9_1kernel-rt-kvm-5.14.0-162.22.2.rt21.186.el9_1.x86_64.rpm
RedHat9x86_64kernel-rt-debuginfo-common-x86_64< 5.14.0-162.22.2.rt21.186.el9_1kernel-rt-debuginfo-common-x86_64-5.14.0-162.22.2.rt21.186.el9_1.x86_64.rpm
RedHat9x86_64kernel-rt-debug-core< 5.14.0-162.22.2.rt21.186.el9_1kernel-rt-debug-core-5.14.0-162.22.2.rt21.186.el9_1.x86_64.rpm
RedHat9x86_64kernel-rt-modules-extra< 5.14.0-162.22.2.rt21.186.el9_1kernel-rt-modules-extra-5.14.0-162.22.2.rt21.186.el9_1.x86_64.rpm
RedHat9x86_64kernel-rt-devel< 5.14.0-162.22.2.rt21.186.el9_1kernel-rt-devel-5.14.0-162.22.2.rt21.186.el9_1.x86_64.rpm
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0.001 Low

EPSS

Percentile

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JSON
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