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OpenAdvisories
Medium RHSA-2023:4020 1 CVE

Red Hat Security Advisory: kernel security and bug fix update

Published Sep 13, 2024 · Updated Aug 26, 2026

Ecosystem: Red Hat

Fixed packages 17

ReleasePackageFixed in
Red Hat · RHEL 7.4 AUS rhel_aus:7.4::server kernel 0:3.10.0-693.111.1.el7
Red Hat · RHEL 7.4 AUS rhel_aus:7.4::server kernel-abi-whitelists 0:3.10.0-693.111.1.el7
Red Hat · RHEL 7.4 AUS rhel_aus:7.4::server kernel-debug 0:3.10.0-693.111.1.el7
Red Hat · RHEL 7.4 AUS rhel_aus:7.4::server kernel-debug-debuginfo 0:3.10.0-693.111.1.el7
Red Hat · RHEL 7.4 AUS rhel_aus:7.4::server kernel-debug-devel 0:3.10.0-693.111.1.el7
Red Hat · RHEL 7.4 AUS rhel_aus:7.4::server kernel-debuginfo 0:3.10.0-693.111.1.el7
Red Hat · RHEL 7.4 AUS rhel_aus:7.4::server kernel-debuginfo-common-x86_64 0:3.10.0-693.111.1.el7
Red Hat · RHEL 7.4 AUS rhel_aus:7.4::server kernel-devel 0:3.10.0-693.111.1.el7
Red Hat · RHEL 7.4 AUS rhel_aus:7.4::server kernel-doc 0:3.10.0-693.111.1.el7
Red Hat · RHEL 7.4 AUS rhel_aus:7.4::server kernel-tools 0:3.10.0-693.111.1.el7
Red Hat · RHEL 7.4 AUS rhel_aus:7.4::server kernel-tools-debuginfo 0:3.10.0-693.111.1.el7
Red Hat · RHEL 7.4 AUS rhel_aus:7.4::server kernel-tools-libs 0:3.10.0-693.111.1.el7
Red Hat · RHEL 7.4 AUS rhel_aus:7.4::server kernel-tools-libs-devel 0:3.10.0-693.111.1.el7
Red Hat · RHEL 7.4 AUS rhel_aus:7.4::server perf 0:3.10.0-693.111.1.el7
Red Hat · RHEL 7.4 AUS rhel_aus:7.4::server perf-debuginfo 0:3.10.0-693.111.1.el7
Red Hat · RHEL 7.4 AUS rhel_aus:7.4::server python-perf 0:3.10.0-693.111.1.el7
Red Hat · RHEL 7.4 AUS rhel_aus:7.4::server python-perf-debuginfo 0:3.10.0-693.111.1.el7

Vulnerabilities 1

  • 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
  • advisory
    https://security.access.redhat.com/data/csaf/v2/advisories/2023/rhsa-2023_4020.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