Skip to content
OpenAdvisories
High RHSA-2024:1831 4 CVEs

Red Hat Security Advisory: kernel security update

Published Sep 13, 2024 · Updated Oct 15, 2026

Ecosystem: Red Hat

Fixed packages 19

ReleasePackageFixed in
Red Hat · RHEL 6 ELS rhel_els:6 kernel 0:2.6.32-754.53.1.el6
Red Hat · RHEL 6 ELS rhel_els:6 kernel-abi-whitelists 0:2.6.32-754.53.1.el6
Red Hat · RHEL 6 ELS rhel_els:6 kernel-debug 0:2.6.32-754.53.1.el6
Red Hat · RHEL 6 ELS rhel_els:6 kernel-debug-debuginfo 0:2.6.32-754.53.1.el6
Red Hat · RHEL 6 ELS rhel_els:6 kernel-debug-devel 0:2.6.32-754.53.1.el6
Red Hat · RHEL 6 ELS rhel_els:6 kernel-debuginfo 0:2.6.32-754.53.1.el6
Red Hat · RHEL 6 ELS rhel_els:6 kernel-debuginfo-common-i686 0:2.6.32-754.53.1.el6
Red Hat · RHEL 6 ELS rhel_els:6 kernel-debuginfo-common-s390x 0:2.6.32-754.53.1.el6
Red Hat · RHEL 6 ELS rhel_els:6 kernel-debuginfo-common-x86_64 0:2.6.32-754.53.1.el6
Red Hat · RHEL 6 ELS rhel_els:6 kernel-devel 0:2.6.32-754.53.1.el6
Red Hat · RHEL 6 ELS rhel_els:6 kernel-doc 0:2.6.32-754.53.1.el6
Red Hat · RHEL 6 ELS rhel_els:6 kernel-firmware 0:2.6.32-754.53.1.el6
Red Hat · RHEL 6 ELS rhel_els:6 kernel-kdump 0:2.6.32-754.53.1.el6
Red Hat · RHEL 6 ELS rhel_els:6 kernel-kdump-debuginfo 0:2.6.32-754.53.1.el6
Red Hat · RHEL 6 ELS rhel_els:6 kernel-kdump-devel 0:2.6.32-754.53.1.el6
Red Hat · RHEL 6 ELS rhel_els:6 perf 0:2.6.32-754.53.1.el6
Red Hat · RHEL 6 ELS rhel_els:6 perf-debuginfo 0:2.6.32-754.53.1.el6
Red Hat · RHEL 6 ELS rhel_els:6 python-perf 0:2.6.32-754.53.1.el6
Red Hat · RHEL 6 ELS rhel_els:6 python-perf-debuginfo 0:2.6.32-754.53.1.el6

Vulnerabilities 4

  • High 7.8
    CVE-2023-31436

    qfq_change_class in net/sched/sch_qfq.c in the Linux kernel before 6.2.13 allows an out-of-bounds write because lmax ca…

    linux-raspi2 linux-hwe linux-azure linux-riscv Debian Ubuntu Azure Linux
  • High 7.8
    CVE-2023-3611

    Out-of-bounds write in Linux kernel's net/sched: sch_qfq component

    An out-of-bounds write vulnerability in the Linux kernel's net/sched: sch_qfq component can be exploited to achieve local privilege escalation. The qfq_change_agg() function in net/sched/sch_qfq.c allows an out-of-bounds write because lmax is updated accordin…

    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
  • High 7.8
    CVE-2023-4921

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

    A use-after-free vulnerability in the Linux kernel's net/sched: sch_qfq component can be exploited to achieve local privilege escalation. When the plug qdisc is used as a class of the qfq qdisc, sending network packets triggers use-after-free in qfq_dequeue()…

    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=2192671
  • report
    https://bugzilla.redhat.com/show_bug.cgi?id=2225097
  • report
    https://bugzilla.redhat.com/show_bug.cgi?id=2225191
  • report
    https://bugzilla.redhat.com/show_bug.cgi?id=2245514
  • advisory
    https://security.access.redhat.com/data/csaf/v2/advisories/2024/rhsa-2024_1831.json
  • report
    https://access.redhat.com/security/cve/CVE-2023-3611
  • advisory
    https://www.cve.org/CVERecord?id=CVE-2023-3611
  • advisory
    https://nvd.nist.gov/vuln/detail/CVE-2023-3611
  • article
    https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git/commit/?id=3e337087c3b5805fe0b8a46ba622a962880b5d64
  • 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-2023-4921
  • advisory
    https://www.cve.org/CVERecord?id=CVE-2023-4921
  • advisory
    https://nvd.nist.gov/vuln/detail/CVE-2023-4921
  • article
    https://github.com/torvalds/linux/commit/8fc134fee27f2263988ae38920bc03da416b03d8
  • report
    https://access.redhat.com/security/cve/CVE-2023-31436
  • advisory
    https://www.cve.org/CVERecord?id=CVE-2023-31436
  • advisory
    https://nvd.nist.gov/vuln/detail/CVE-2023-31436
  • article
    https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git/commit/?id=3037933448f60f9acb705997eae62013ecb81e0d