Skip to content
OpenAdvisories
High 1 exploited CVE RHSA-2023:1666 2 CVEs

Red Hat Security Advisory: kpatch-patch security update

Published Sep 13, 2024 · Updated Aug 26, 2026

Ecosystem: Red Hat

Fixed packages 15

ReleasePackageFixed in
Red Hat · RHEL 8.2 E4S rhel_e4s:8.2::baseos kpatch-patch-4_18_0-193_100_1 0:1-1.el8_2
Red Hat · RHEL 8.2 E4S rhel_e4s:8.2::baseos kpatch-patch-4_18_0-193_100_1-debuginfo 0:1-1.el8_2
Red Hat · RHEL 8.2 E4S rhel_e4s:8.2::baseos kpatch-patch-4_18_0-193_100_1-debugsource 0:1-1.el8_2
Red Hat · RHEL 8.2 E4S rhel_e4s:8.2::baseos kpatch-patch-4_18_0-193_91_1 0:1-5.el8_2
Red Hat · RHEL 8.2 E4S rhel_e4s:8.2::baseos kpatch-patch-4_18_0-193_91_1-debuginfo 0:1-5.el8_2
Red Hat · RHEL 8.2 E4S rhel_e4s:8.2::baseos kpatch-patch-4_18_0-193_91_1-debugsource 0:1-5.el8_2
Red Hat · RHEL 8.2 E4S rhel_e4s:8.2::baseos kpatch-patch-4_18_0-193_93_1 0:1-4.el8_2
Red Hat · RHEL 8.2 E4S rhel_e4s:8.2::baseos kpatch-patch-4_18_0-193_93_1-debuginfo 0:1-4.el8_2
Red Hat · RHEL 8.2 E4S rhel_e4s:8.2::baseos kpatch-patch-4_18_0-193_93_1-debugsource 0:1-4.el8_2
Red Hat · RHEL 8.2 E4S rhel_e4s:8.2::baseos kpatch-patch-4_18_0-193_95_1 0:1-3.el8_2
Red Hat · RHEL 8.2 E4S rhel_e4s:8.2::baseos kpatch-patch-4_18_0-193_95_1-debuginfo 0:1-3.el8_2
Red Hat · RHEL 8.2 E4S rhel_e4s:8.2::baseos kpatch-patch-4_18_0-193_95_1-debugsource 0:1-3.el8_2
Red Hat · RHEL 8.2 E4S rhel_e4s:8.2::baseos kpatch-patch-4_18_0-193_98_1 0:1-2.el8_2
Red Hat · RHEL 8.2 E4S rhel_e4s:8.2::baseos kpatch-patch-4_18_0-193_98_1-debuginfo 0:1-2.el8_2
Red Hat · RHEL 8.2 E4S rhel_e4s:8.2::baseos kpatch-patch-4_18_0-193_98_1-debugsource 0:1-2.el8_2

Vulnerabilities 2

  • 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
  • Medium 5.5
    CVE-2022-3564 Public exploit

    Linux Kernel Bluetooth l2cap_core.c l2cap_reassemble_sdu use after free

    A vulnerability classified as critical was found in Linux Kernel. Affected by this vulnerability is the function l2cap_reassemble_sdu of the file net/bluetooth/l2cap_core.c of the component Bluetooth. The manipulation leads to use after free. It is recommende…

    Linux kernel linux-raspi2 linux-hwe Linux Debian Ubuntu

References

  • article
    https://access.redhat.com/security/updates/classification/#important
  • report
    https://bugzilla.redhat.com/show_bug.cgi?id=2150999
  • report
    https://bugzilla.redhat.com/show_bug.cgi?id=2163379
  • advisory
    https://security.access.redhat.com/data/csaf/v2/advisories/2023/rhsa-2023_1666.json
  • report
    https://access.redhat.com/security/cve/CVE-2022-3564
  • advisory
    https://www.cve.org/CVERecord?id=CVE-2022-3564
  • advisory
    https://nvd.nist.gov/vuln/detail/CVE-2022-3564
  • article
    https://git.kernel.org/pub/scm/linux/kernel/git/bluetooth/bluetooth-next.git/commit/?id=89f9f3cb86b1c63badaf392a83dd661d56cc50b1
  • 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