Red Hat Security Advisory

RHSA-2023:1554

kernel security, bug fix, and enhancement update

Released 2023-04-04 · Red Hat rating Important · View on Red Hat →

Fixed in

Red Hat CodeReady Linux Builder EUS (v.8.6) kernel-tools-libs-devel-4.18.0-372.51.1.el8_6
Red Hat Enterprise Linux BaseOS EUS (v.8.6) bpftool-4.18.0-372.51.1.el8_6, kernel-4.18.0-372.51.1.el8_6, kernel-abi-stablelists-4.18.0-372.51.1.el8_6 +19
Red Hat Virtualization 4 Hypervisor for RHEL 8 kernel-devel-4.18.0-372.51.1.el8_6, perf-4.18.0-372.51.1.el8_6

Fixes 3 records

TI-2023-00252 CVE-2023-0266 · GHSA-h8jm-3c82-6vvq

Use after free in SNDRV_CTL_IOCTL_ELEM in Linux Kernel

CRITICAL 94KEV

A use after free vulnerability exists in the ALSA PCM package in the Linux Kernel.

CVSS 3.1HIGH 7.9 Adjacent network Low privileges No interaction EPSS 0.03702 Published 2023-01-30 Fixed CWE-416

TI-2023-00370 CVE-2023-0386 · GHSA-p72q-v88c-rprq

A flaw was found in the Linux kernel, where unauthorized access to the execution of the…

CRITICAL 93KEV

A flaw was found in the Linux kernel, where unauthorized access to the execution of the setuid file with capabilities was found in the Linux kernel’s OverlayFS subsystem in how a user copies a capable file from a nosuid…

CVSS 3.1HIGH 7.8 Local Low privileges No interaction EPSS 0.0788 Published 2023-03-22 Fixed CWE-282

TI-2022-25904 CVE-2022-50425 · GHSA-cfcx-rgr2-rqqq

x86/fpu: Fix copy_xstate_to_uabi() to copy init states correctly

LOW 24

In the Linux kernel, the following vulnerability has been resolved: x86/fpu: Fix copy_xstate_to_uabi() to copy init states correctly When an extended state component is not present in fpstate, but in init state, the func…

CVSS 3.1MEDIUM 5.5 Local Low privileges No interaction EPSS 0.0014 Published 2025-10-01 Partial fix · 6.0.7, 6.1 CWE-476