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OpenAdvisories
High 1 exploited CVE RHSA-2023:1588 1 CVE

Red Hat Security Advisory: kernel security update

Published Sep 13, 2024 · Updated Aug 7, 2026

Ecosystem: Red Hat

Fixed packages 25

ReleasePackageFixed in
Red Hat · RHEL 8.1 E4S rhel_e4s:8.1::baseos bpftool 0:4.18.0-147.81.1.el8_1
Red Hat · RHEL 8.1 E4S rhel_e4s:8.1::baseos bpftool-debuginfo 0:4.18.0-147.81.1.el8_1
Red Hat · RHEL 8.1 E4S rhel_e4s:8.1::baseos kernel 0:4.18.0-147.81.1.el8_1
Red Hat · RHEL 8.1 E4S rhel_e4s:8.1::baseos kernel-abi-whitelists 0:4.18.0-147.81.1.el8_1
Red Hat · RHEL 8.1 E4S rhel_e4s:8.1::baseos kernel-core 0:4.18.0-147.81.1.el8_1
Red Hat · RHEL 8.1 E4S rhel_e4s:8.1::baseos kernel-debug 0:4.18.0-147.81.1.el8_1
Red Hat · RHEL 8.1 E4S rhel_e4s:8.1::baseos kernel-debug-core 0:4.18.0-147.81.1.el8_1
Red Hat · RHEL 8.1 E4S rhel_e4s:8.1::baseos kernel-debug-debuginfo 0:4.18.0-147.81.1.el8_1
Red Hat · RHEL 8.1 E4S rhel_e4s:8.1::baseos kernel-debug-devel 0:4.18.0-147.81.1.el8_1
Red Hat · RHEL 8.1 E4S rhel_e4s:8.1::baseos kernel-debug-modules 0:4.18.0-147.81.1.el8_1
Red Hat · RHEL 8.1 E4S rhel_e4s:8.1::baseos kernel-debug-modules-extra 0:4.18.0-147.81.1.el8_1
Red Hat · RHEL 8.1 E4S rhel_e4s:8.1::baseos kernel-debuginfo 0:4.18.0-147.81.1.el8_1
Red Hat · RHEL 8.1 E4S rhel_e4s:8.1::baseos kernel-debuginfo-common-ppc64le 0:4.18.0-147.81.1.el8_1
Red Hat · RHEL 8.1 E4S rhel_e4s:8.1::baseos kernel-debuginfo-common-x86_64 0:4.18.0-147.81.1.el8_1
Red Hat · RHEL 8.1 E4S rhel_e4s:8.1::baseos kernel-devel 0:4.18.0-147.81.1.el8_1
Red Hat · RHEL 8.1 E4S rhel_e4s:8.1::baseos kernel-doc 0:4.18.0-147.81.1.el8_1
Red Hat · RHEL 8.1 E4S rhel_e4s:8.1::baseos kernel-modules 0:4.18.0-147.81.1.el8_1
Red Hat · RHEL 8.1 E4S rhel_e4s:8.1::baseos kernel-modules-extra 0:4.18.0-147.81.1.el8_1
Red Hat · RHEL 8.1 E4S rhel_e4s:8.1::baseos kernel-tools 0:4.18.0-147.81.1.el8_1
Red Hat · RHEL 8.1 E4S rhel_e4s:8.1::baseos kernel-tools-debuginfo 0:4.18.0-147.81.1.el8_1
Red Hat · RHEL 8.1 E4S rhel_e4s:8.1::baseos kernel-tools-libs 0:4.18.0-147.81.1.el8_1
Red Hat · RHEL 8.1 E4S rhel_e4s:8.1::baseos perf 0:4.18.0-147.81.1.el8_1
Red Hat · RHEL 8.1 E4S rhel_e4s:8.1::baseos perf-debuginfo 0:4.18.0-147.81.1.el8_1
Red Hat · RHEL 8.1 E4S rhel_e4s:8.1::baseos python3-perf 0:4.18.0-147.81.1.el8_1
Red Hat · RHEL 8.1 E4S rhel_e4s:8.1::baseos python3-perf-debuginfo 0:4.18.0-147.81.1.el8_1

Vulnerabilities 1

  • High 7.9
    CVE-2023-0266 Exploited Public exploit

    Use after free in SNDRV_CTL_IOCTL_ELEM in Linux Kernel

    A use after free vulnerability exists in the ALSA PCM package in the Linux Kernel. SNDRV_CTL_IOCTL_ELEM_{READ|WRITE}32 is missing locks that can be used in a use-after-free that can result in a priviledge escalation to gain ring0 access from the system user. …

    Linux linux_kernel linux-raspi2 linux-hwe Linux Debian Ubuntu Azure Linux
    KEV Mar 30, 2023

References

  • article
    https://access.redhat.com/security/updates/classification/#important
  • report
    https://bugzilla.redhat.com/show_bug.cgi?id=2163379
  • advisory
    https://security.access.redhat.com/data/csaf/v2/advisories/2023/rhsa-2023_1588.json
  • report
    https://access.redhat.com/security/cve/CVE-2023-0266
  • advisory
    https://www.cve.org/CVERecord?id=CVE-2023-0266
  • advisory
    https://nvd.nist.gov/vuln/detail/CVE-2023-0266
  • article
    https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git/commit/?id=56b88b50565cd8b946a2d00b0c83927b7ebb055e
  • article
    https://www.cisa.gov/known-exploited-vulnerabilities-catalog