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OpenAdvisories
High RHSA-2023:4888 4 CVEs

Red Hat Security Advisory: kpatch-patch security update

Published Sep 13, 2024 · Updated Oct 15, 2026

Ecosystem: Red Hat

Fixed packages 18

ReleasePackageFixed in
Red Hat · RHEL 8.6 EUS rhel_eus:8.6::baseos kpatch-patch-4_18_0-372_41_1 0:1-7.el8_6
Red Hat · RHEL 8.6 EUS rhel_eus:8.6::baseos kpatch-patch-4_18_0-372_41_1-debuginfo 0:1-7.el8_6
Red Hat · RHEL 8.6 EUS rhel_eus:8.6::baseos kpatch-patch-4_18_0-372_41_1-debugsource 0:1-7.el8_6
Red Hat · RHEL 8.6 EUS rhel_eus:8.6::baseos kpatch-patch-4_18_0-372_46_1 0:1-5.el8_6
Red Hat · RHEL 8.6 EUS rhel_eus:8.6::baseos kpatch-patch-4_18_0-372_46_1-debuginfo 0:1-5.el8_6
Red Hat · RHEL 8.6 EUS rhel_eus:8.6::baseos kpatch-patch-4_18_0-372_46_1-debugsource 0:1-5.el8_6
Red Hat · RHEL 8.6 EUS rhel_eus:8.6::baseos kpatch-patch-4_18_0-372_51_1 0:1-4.el8_6
Red Hat · RHEL 8.6 EUS rhel_eus:8.6::baseos kpatch-patch-4_18_0-372_51_1-debuginfo 0:1-4.el8_6
Red Hat · RHEL 8.6 EUS rhel_eus:8.6::baseos kpatch-patch-4_18_0-372_51_1-debugsource 0:1-4.el8_6
Red Hat · RHEL 8.6 EUS rhel_eus:8.6::baseos kpatch-patch-4_18_0-372_52_1 0:1-3.el8_6
Red Hat · RHEL 8.6 EUS rhel_eus:8.6::baseos kpatch-patch-4_18_0-372_52_1-debuginfo 0:1-3.el8_6
Red Hat · RHEL 8.6 EUS rhel_eus:8.6::baseos kpatch-patch-4_18_0-372_52_1-debugsource 0:1-3.el8_6
Red Hat · RHEL 8.6 EUS rhel_eus:8.6::baseos kpatch-patch-4_18_0-372_57_1 0:1-2.el8_6
Red Hat · RHEL 8.6 EUS rhel_eus:8.6::baseos kpatch-patch-4_18_0-372_57_1-debuginfo 0:1-2.el8_6
Red Hat · RHEL 8.6 EUS rhel_eus:8.6::baseos kpatch-patch-4_18_0-372_57_1-debugsource 0:1-2.el8_6
Red Hat · RHEL 8.6 EUS rhel_eus:8.6::baseos kpatch-patch-4_18_0-372_64_1 0:1-1.el8_6
Red Hat · RHEL 8.6 EUS rhel_eus:8.6::baseos kpatch-patch-4_18_0-372_64_1-debuginfo 0:1-1.el8_6
Red Hat · RHEL 8.6 EUS rhel_eus:8.6::baseos kpatch-patch-4_18_0-372_64_1-debugsource 0:1-1.el8_6

Vulnerabilities 4

  • High 8.0
    CVE-2022-42896 Public exploit

    Info Leak in l2cap_core in the Linux Kernel

    There are use-after-free vulnerabilities in the Linux kernel's net/bluetooth/l2cap_core.c's l2cap_connect and l2cap_le_connect_req functions which may allow code execution and leaking kernel memory (respectively) remotely via Bluetooth. A remote attacker coul…

    Linux linux_kernel linux-raspi2 linux-hwe Linux Debian Ubuntu
  • High 7.8
    CVE-2023-1829 Public exploit

    Use-after-free in tcindex (traffic control index filter) in the Linux Kernel

    A use-after-free vulnerability in the Linux Kernel traffic control index filter (tcindex) can be exploited to achieve local privilege escalation. The tcindex_delete function which does not properly deactivate filters in case of a perfect hashes while deleting…

    Linux linux_kernel linux-raspi2 linux-hwe Linux Debian Ubuntu Azure Linux
  • High 7.8
    CVE-2023-3390 Public exploit

    Use-after-free in Linux kernel's netfilter subsystem

    A use-after-free vulnerability was found in the Linux kernel's netfilter subsystem in net/netfilter/nf_tables_api.c. Mishandled error handling with NFT_MSG_NEWRULE makes it possible to use a dangling pointer in the same transaction causing a use-after-free vu…

    Linux linux_kernel linux-raspi2 linux-hwe Linux Debian Ubuntu Azure Linux
  • High 7.8
    CVE-2023-35788 Public exploit

    An issue was discovered in fl_set_geneve_opt in net/sched/cls_flower.c in the Linux kernel before 6.3.7. It allows an o…

    linux-raspi2 linux-hwe linux-azure linux-riscv Debian Ubuntu Azure Linux

References

  • article
    https://access.redhat.com/security/updates/classification/#important
  • report
    https://bugzilla.redhat.com/show_bug.cgi?id=2147364
  • report
    https://bugzilla.redhat.com/show_bug.cgi?id=2188470
  • report
    https://bugzilla.redhat.com/show_bug.cgi?id=2213260
  • report
    https://bugzilla.redhat.com/show_bug.cgi?id=2215768
  • advisory
    https://security.access.redhat.com/data/csaf/v2/advisories/2023/rhsa-2023_4888.json
  • report
    https://access.redhat.com/security/cve/CVE-2022-42896
  • advisory
    https://www.cve.org/CVERecord?id=CVE-2022-42896
  • advisory
    https://nvd.nist.gov/vuln/detail/CVE-2022-42896
  • article
    https://github.com/google/security-research/security/advisories/GHSA-pf87-6c9q-jvm4
  • report
    https://access.redhat.com/security/cve/CVE-2023-1829
  • advisory
    https://www.cve.org/CVERecord?id=CVE-2023-1829
  • advisory
    https://nvd.nist.gov/vuln/detail/CVE-2023-1829
  • article
    https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git/commit/?id=8c710f75256bb3cf05ac7b1672c82b92c43f3d28
  • report
    https://access.redhat.com/security/cve/CVE-2023-3390
  • advisory
    https://www.cve.org/CVERecord?id=CVE-2023-3390
  • advisory
    https://nvd.nist.gov/vuln/detail/CVE-2023-3390
  • article
    https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git/commit/?id=1240eb93f0616b21c675416516ff3d74798fdc97
  • report
    https://access.redhat.com/security/cve/CVE-2023-35788
  • advisory
    https://www.cve.org/CVERecord?id=CVE-2023-35788
  • advisory
    https://nvd.nist.gov/vuln/detail/CVE-2023-35788
  • article
    https://www.openwall.com/lists/oss-security/2023/06/07/1