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OpenAdvisories
High RHSA-2023:5775 3 CVEs

Red Hat Security Advisory: kpatch-patch security update

Published Sep 13, 2024 · Updated Aug 7, 2026

Ecosystem: Red Hat

Fixed packages 18

ReleasePackageFixed in
Red Hat · RHEL 8.4 E4S rhel_e4s:8.4::baseos kpatch-patch-4_18_0-305_103_1 0:1-1.el8_4
Red Hat · RHEL 8.4 E4S rhel_e4s:8.4::baseos kpatch-patch-4_18_0-305_103_1-debuginfo 0:1-1.el8_4
Red Hat · RHEL 8.4 E4S rhel_e4s:8.4::baseos kpatch-patch-4_18_0-305_103_1-debugsource 0:1-1.el8_4
Red Hat · RHEL 8.4 E4S rhel_e4s:8.4::baseos kpatch-patch-4_18_0-305_82_1 0:1-5.el8_4
Red Hat · RHEL 8.4 E4S rhel_e4s:8.4::baseos kpatch-patch-4_18_0-305_82_1-debuginfo 0:1-5.el8_4
Red Hat · RHEL 8.4 E4S rhel_e4s:8.4::baseos kpatch-patch-4_18_0-305_82_1-debugsource 0:1-5.el8_4
Red Hat · RHEL 8.4 E4S rhel_e4s:8.4::baseos kpatch-patch-4_18_0-305_86_2 0:1-4.el8_4
Red Hat · RHEL 8.4 E4S rhel_e4s:8.4::baseos kpatch-patch-4_18_0-305_86_2-debuginfo 0:1-4.el8_4
Red Hat · RHEL 8.4 E4S rhel_e4s:8.4::baseos kpatch-patch-4_18_0-305_86_2-debugsource 0:1-4.el8_4
Red Hat · RHEL 8.4 E4S rhel_e4s:8.4::baseos kpatch-patch-4_18_0-305_88_1 0:1-4.el8_4
Red Hat · RHEL 8.4 E4S rhel_e4s:8.4::baseos kpatch-patch-4_18_0-305_88_1-debuginfo 0:1-4.el8_4
Red Hat · RHEL 8.4 E4S rhel_e4s:8.4::baseos kpatch-patch-4_18_0-305_88_1-debugsource 0:1-4.el8_4
Red Hat · RHEL 8.4 E4S rhel_e4s:8.4::baseos kpatch-patch-4_18_0-305_91_1 0:1-3.el8_4
Red Hat · RHEL 8.4 E4S rhel_e4s:8.4::baseos kpatch-patch-4_18_0-305_91_1-debuginfo 0:1-3.el8_4
Red Hat · RHEL 8.4 E4S rhel_e4s:8.4::baseos kpatch-patch-4_18_0-305_91_1-debugsource 0:1-3.el8_4
Red Hat · RHEL 8.4 E4S rhel_e4s:8.4::baseos kpatch-patch-4_18_0-305_97_1 0:1-2.el8_4
Red Hat · RHEL 8.4 E4S rhel_e4s:8.4::baseos kpatch-patch-4_18_0-305_97_1-debuginfo 0:1-2.el8_4
Red Hat · RHEL 8.4 E4S rhel_e4s:8.4::baseos kpatch-patch-4_18_0-305_97_1-debugsource 0:1-2.el8_4

Vulnerabilities 3

  • High 7.8
    CVE-2023-3609 Public exploit

    Use-after-free in Linux kernel's net/sched: cls_u32 component

    A use-after-free vulnerability in the Linux kernel's net/sched: cls_u32 component can be exploited to achieve local privilege escalation. If tcf_change_indev() fails, u32_set_parms() will immediately return an error after incrementing or decrementing the refe…

    Linux kernel linux-raspi2 linux-hwe Linux Debian Ubuntu Azure Linux
  • High 7.8
    CVE-2023-3776 Public exploit

    Use-after-free in Linux kernel's net/sched: cls_fw component

    A use-after-free vulnerability in the Linux kernel's net/sched: cls_fw component can be exploited to achieve local privilege escalation. If tcf_change_indev() fails, fw_set_parms() will immediately return an error after incrementing or decrementing the refere…

    Linux kernel linux-raspi2 linux-hwe Linux Debian Ubuntu Azure Linux
  • Unscored —
    CVE-2023-4128 Public exploit Rejected

    ** REJECT ** DO NOT USE THIS CVE RECORD. ConsultIDs: CVE-2023-4206, CVE-2023-4207, CVE-2023-4208. Reason: This record i…

    linux-raspi2 linux-hwe linux-azure linux-riscv Ubuntu

References

  • article
    https://access.redhat.com/security/updates/classification/#important
  • report
    https://bugzilla.redhat.com/show_bug.cgi?id=2225097
  • report
    https://bugzilla.redhat.com/show_bug.cgi?id=2225201
  • report
    https://bugzilla.redhat.com/show_bug.cgi?id=2225511
  • advisory
    https://security.access.redhat.com/data/csaf/v2/advisories/2023/rhsa-2023_5775.json
  • report
    https://access.redhat.com/security/cve/CVE-2023-3609
  • advisory
    https://www.cve.org/CVERecord?id=CVE-2023-3609
  • advisory
    https://nvd.nist.gov/vuln/detail/CVE-2023-3609
  • article
    https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git/commit?id=04c55383fa5689357bcdd2c8036725a55ed632bc
  • report
    https://access.redhat.com/security/cve/CVE-2023-3776
  • advisory
    https://www.cve.org/CVERecord?id=CVE-2023-3776
  • advisory
    https://nvd.nist.gov/vuln/detail/CVE-2023-3776
  • article
    https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git/commit?id=0323bce598eea038714f941ce2b22541c46d488f
  • report
    https://access.redhat.com/security/cve/CVE-2023-4128
  • report
    https://bugzilla.redhat.com/show_bug.cgi?id=2261965
  • advisory
    https://www.cve.org/CVERecord?id=CVE-2023-4128
  • advisory
    https://nvd.nist.gov/vuln/detail/CVE-2023-4128
  • article
    https://access.redhat.com/security/cve/CVE-2023-4206
  • article
    https://access.redhat.com/security/cve/CVE-2023-4207
  • article
    https://access.redhat.com/security/cve/CVE-2023-4208