Improper locking in Linux kernel - CVE-2023-53103

Vulnerability identifier: #VU108477

CSH Severity: Low

CVSS v4 BT: 4.3 [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/E:U/U:Clear]

CVE-ID: CVE-2023-53103

CWE-ID: CWE-667

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 improper locking within the eth_hw_addr_random() function in drivers/net/bonding/bond_main.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_261-default
kernel-default-base
kernel-default-kgraft-devel
kernel-default-kgraft
kernel-default-devel-debuginfo
kernel-default-man
kernel-devel
kernel-macros
kernel-source
kernel-default
cluster-md-kmp-default-debuginfo
kernel-default-base-debuginfo
dlm-kmp-default-debuginfo
kernel-default-devel
gfs2-kmp-default-debuginfo
gfs2-kmp-default
ocfs2-kmp-default
kernel-syms
cluster-md-kmp-default
kernel-default-debugsource
kernel-default-debuginfo
dlm-kmp-default
ocfs2-kmp-default-debuginfo

Install update from vendor's website.

Linux kernel - update to 6.1.21
kgraft-patch-4_12_14-122_261-default - update to 1-8.3.1
kernel-default-base - update to 4.12.14-122.261.1
kernel-default-kgraft-devel - update to 4.12.14-122.261.1
kernel-default-kgraft - update to 4.12.14-122.261.1
kernel-default-devel-debuginfo - update to 4.12.14-122.261.1
kernel-default-man - update to 4.12.14-122.261.1
kernel-devel - update to 4.12.14-122.261.1
kernel-macros - update to 4.12.14-122.261.1
kernel-source - update to 4.12.14-122.261.1
kernel-default - update to 4.12.14-122.261.1
cluster-md-kmp-default-debuginfo - update to 4.12.14-122.261.1
kernel-default-base-debuginfo - update to 4.12.14-122.261.1
dlm-kmp-default-debuginfo - update to 4.12.14-122.261.1
kernel-default-devel - update to 4.12.14-122.261.1
gfs2-kmp-default-debuginfo - update to 4.12.14-122.261.1
gfs2-kmp-default - update to 4.12.14-122.261.1
ocfs2-kmp-default - update to 4.12.14-122.261.1
kernel-syms - update to 4.12.14-122.261.1
cluster-md-kmp-default - update to 4.12.14-122.261.1
kernel-default-debugsource - update to 4.12.14-122.261.1
kernel-default-debuginfo - update to 4.12.14-122.261.1
dlm-kmp-default - update to 4.12.14-122.261.1
ocfs2-kmp-default-debuginfo - update to 4.12.14-122.261.1

• https://git.kernel.org/stable/c/0276813b8ab08d9bf5ca4159f301d0829ecf13fc
• https://git.kernel.org/stable/c/93c8cbeb1b2b8ff670b3dfd01b3abd843995c80f
• https://git.kernel.org/stable/c/e667d469098671261d558be0cd93dca4d285ce1e
• https://git.kernel.org/stable/c/ecb1b5135bd3f232d5335b3935e2c2ac11bfa02f
• https://mirrors.edge.kernel.org/pub/linux/kernel/v6.x/ChangeLog-6.1.21

• Improper locking in Linux kernel net bonding driver
• SUSE update for the Linux Kernel