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OpenAdvisories
High RHSA-2023:7294 2 CVEs

Red Hat Security Advisory: kernel security update

Published Sep 13, 2024 · Updated Aug 7, 2026

Ecosystem: Red Hat

Fixed packages 18

ReleasePackageFixed in
Red Hat · RHEL 7.6 AUS rhel_aus:7.6::server bpftool 0:3.10.0-957.108.1.el7
Red Hat · RHEL 7.6 AUS rhel_aus:7.6::server kernel 0:3.10.0-957.108.1.el7
Red Hat · RHEL 7.6 AUS rhel_aus:7.6::server kernel-abi-whitelists 0:3.10.0-957.108.1.el7
Red Hat · RHEL 7.6 AUS rhel_aus:7.6::server kernel-debug 0:3.10.0-957.108.1.el7
Red Hat · RHEL 7.6 AUS rhel_aus:7.6::server kernel-debug-debuginfo 0:3.10.0-957.108.1.el7
Red Hat · RHEL 7.6 AUS rhel_aus:7.6::server kernel-debug-devel 0:3.10.0-957.108.1.el7
Red Hat · RHEL 7.6 AUS rhel_aus:7.6::server kernel-debuginfo 0:3.10.0-957.108.1.el7
Red Hat · RHEL 7.6 AUS rhel_aus:7.6::server kernel-debuginfo-common-x86_64 0:3.10.0-957.108.1.el7
Red Hat · RHEL 7.6 AUS rhel_aus:7.6::server kernel-devel 0:3.10.0-957.108.1.el7
Red Hat · RHEL 7.6 AUS rhel_aus:7.6::server kernel-doc 0:3.10.0-957.108.1.el7
Red Hat · RHEL 7.6 AUS rhel_aus:7.6::server kernel-tools 0:3.10.0-957.108.1.el7
Red Hat · RHEL 7.6 AUS rhel_aus:7.6::server kernel-tools-debuginfo 0:3.10.0-957.108.1.el7
Red Hat · RHEL 7.6 AUS rhel_aus:7.6::server kernel-tools-libs 0:3.10.0-957.108.1.el7
Red Hat · RHEL 7.6 AUS rhel_aus:7.6::server kernel-tools-libs-devel 0:3.10.0-957.108.1.el7
Red Hat · RHEL 7.6 AUS rhel_aus:7.6::server perf 0:3.10.0-957.108.1.el7
Red Hat · RHEL 7.6 AUS rhel_aus:7.6::server perf-debuginfo 0:3.10.0-957.108.1.el7
Red Hat · RHEL 7.6 AUS rhel_aus:7.6::server python-perf 0:3.10.0-957.108.1.el7
Red Hat · RHEL 7.6 AUS rhel_aus:7.6::server python-perf-debuginfo 0:3.10.0-957.108.1.el7

Vulnerabilities 2

  • 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

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
  • advisory
    https://security.access.redhat.com/data/csaf/v2/advisories/2023/rhsa-2023_7294.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