Incorrect calculation in Linux kernel - CVE-2023-53484

Vulnerability identifier: #VU116284

CSH Severity: Low

CVSS v4: 6.8 [CVSS:4.0/AV:L/AC:L/AT:N/PR:L/UI:N/VC:N/VI:N/VA:H/SC:N/SI:N/SA:N]

CVE-ID: CVE-2023-53484

CWE-ID: CWE-682

Exploitation vector: Local access

Exploit availability: No public exploit available

The vulnerability allows a local user to perform a denial of service (DoS) attack.

The vulnerability exists due to incorrect calculation within the free_irq_cpu_rmap(), irq_cpu_rmap_release() and irq_cpu_rmap_add() functions in lib/cpu_rmap.c. A local user can perform a denial of service (DoS) attack.

Linux kernel
SUSE Linux Enterprise Server 12 SP5
SUSE Linux Enterprise Server 12 SP5 LTSS Extended
SUSE Linux Enterprise High Performance Computing 12
SUSE Linux Enterprise Server 12
SUSE Linux Enterprise Server for SAP Applications 12
SUSE Linux Enterprise Live Patching
kgraft-patch-4_12_14-122_280-default
ocfs2-kmp-default
kernel-default-kgraft-devel
kernel-default-kgraft
kernel-default-devel-debuginfo
kernel-default-man
kernel-macros
kernel-devel
kernel-source
kernel-default
kernel-default-base-debuginfo
kernel-default-debuginfo
gfs2-kmp-default-debuginfo
kernel-default-devel
cluster-md-kmp-default
dlm-kmp-default
cluster-md-kmp-default-debuginfo
dlm-kmp-default-debuginfo
ocfs2-kmp-default-debuginfo
kernel-default-debugsource
gfs2-kmp-default
kernel-default-base
kernel-syms

Install update from vendor's repository.

Linux kernel - update to 5.10.181
kgraft-patch-4_12_14-122_280-default - update to 1-8.5.1
ocfs2-kmp-default - update to 4.12.14-122.280.1
kernel-default-kgraft-devel - update to 4.12.14-122.280.1
kernel-default-kgraft - update to 4.12.14-122.280.1
kernel-default-devel-debuginfo - update to 4.12.14-122.280.1
kernel-default-man - update to 4.12.14-122.280.1
kernel-macros - update to 4.12.14-122.280.1
kernel-devel - update to 4.12.14-122.280.1
kernel-source - update to 4.12.14-122.280.1
kernel-default - update to 4.12.14-122.280.1
kernel-default-base-debuginfo - update to 4.12.14-122.280.1
kernel-default-debuginfo - update to 4.12.14-122.280.1
gfs2-kmp-default-debuginfo - update to 4.12.14-122.280.1
kernel-default-devel - update to 4.12.14-122.280.1
cluster-md-kmp-default - update to 4.12.14-122.280.1
dlm-kmp-default - update to 4.12.14-122.280.1
cluster-md-kmp-default-debuginfo - update to 4.12.14-122.280.1
dlm-kmp-default-debuginfo - update to 4.12.14-122.280.1
ocfs2-kmp-default-debuginfo - update to 4.12.14-122.280.1
kernel-default-debugsource - update to 4.12.14-122.280.1
gfs2-kmp-default - update to 4.12.14-122.280.1
kernel-default-base - update to 4.12.14-122.280.1
kernel-syms - update to 4.12.14-122.280.1

• https://git.kernel.org/stable/c/4e0473f1060aa49621d40a113afde24818101d37
• https://git.kernel.org/stable/c/67bca5f1d644f4e79b694abd8052a177de81c37f
• https://git.kernel.org/stable/c/981f339d2905b6a92ef59358158b326493aecac5
• https://git.kernel.org/stable/c/c6ed54dd90698dc0744d669524cc1c122ded8a16
• https://git.kernel.org/stable/c/c9115f49cf260d24d8b5f2d9a4b63cb31a627bb4
• https://git.kernel.org/stable/c/cc2d2b3dbfb0ba57bc027fb7e1121250c50e4000
• https://git.kernel.org/stable/c/d1308bd0b24cb1d78fa2747d5fa3e055cc628a48
• https://git.kernel.org/stable/c/f748e15253833b771acbede14ea98f50831ac289
• https://mirrors.edge.kernel.org/pub/linux/kernel/v5.x/ChangeLog-5.10.181

• Incorrect calculation in Linux kernel lib
• SUSE update for the Linux Kernel