Бюллетень безопасности RHSA-2023:1584

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RedHat

kernel-rt (any) kernel-rt-core (any) kernel-rt-debug (any) kernel-rt-debug-core (any) kernel-rt-debug-devel (any) kernel-rt-debug-kvm (any) kernel-rt-debug-modules (any) kernel-rt-debug-modules-extra (any) kernel-rt-devel (any) kernel-rt-kvm (any) kernel-rt-modules (any) kernel-rt-modules-extra (any)

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)

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

* kernel: FUSE filesystem low-privileged user privileges escalation (CVE-2023-0386)

* 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):

* Lazy irq_work does not raise softirq on PREEMPT_RT [rhel-8] (BZ#2172163)

* The latest RHEL 8.7.z3 kernel changes need to be merged into the RT source tree to keep source parity between the two kernels. (BZ#2172278)

Используйте рекомендации производителя, доступные по ссылке https://access.redhat.com/knowledge/articles/11258

Источник: CVE
Наименование: CVE-2022-4269
URL: http://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2022-4269

Источник: CVE
Наименование: CVE-2022-4378
URL: http://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2022-4378

Источник: CVE
Наименование: CVE-2023-0266
URL: http://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2023-0266

Источник: CVE
Наименование: CVE-2023-0386
URL: http://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2023-0386

https://access.redhat.com/errata/RHSA-2023:1584