Integer overflow in Linux kernel - CVE-2022-49749

Vulnerability identifier: #VU106209

CSH Severity: Low

CVSS v4 BT: 5.9 [CVSS:4.0/AV:L/AC:L/AT:N/PR:L/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N/E:U/U:Clear]

CVE-ID: CVE-2022-49749

CWE-ID: CWE-190

Exploitation vector: Local access

Exploit availability: No public exploit available

The vulnerability allows a local user to execute arbitrary code.

The vulnerability exists due to integer overflow within the i2c_dw_scl_hcnt() and i2c_dw_scl_lcnt() functions in drivers/i2c/busses/i2c-designware-common.c. A local user can execute arbitrary code.

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_258-default
kernel-default-debuginfo
kernel-default-man
kernel-default-kgraft
kernel-default-kgraft-devel
kernel-source
kernel-macros
kernel-devel
kernel-default
kernel-default-devel
gfs2-kmp-default-debuginfo
ocfs2-kmp-default-debuginfo
dlm-kmp-default
ocfs2-kmp-default
kernel-default-base
kernel-default-devel-debuginfo
kernel-default-debugsource
dlm-kmp-default-debuginfo
kernel-syms
cluster-md-kmp-default-debuginfo
kernel-default-base-debuginfo
cluster-md-kmp-default
gfs2-kmp-default

Install update from vendor's website.

Linux kernel - update to 5.10.166
kgraft-patch-4_12_14-122_258-default - update to 1-8.3.1
kernel-default-debuginfo - update to 4.12.14-122.258.1
kernel-default-man - update to 4.12.14-122.258.1
kernel-default-kgraft - update to 4.12.14-122.258.1
kernel-default-kgraft-devel - update to 4.12.14-122.258.1
kernel-source - update to 4.12.14-122.258.1
kernel-macros - update to 4.12.14-122.258.1
kernel-devel - update to 4.12.14-122.258.1
kernel-default - update to 4.12.14-122.258.1
kernel-default-devel - update to 4.12.14-122.258.1
gfs2-kmp-default-debuginfo - update to 4.12.14-122.258.1
ocfs2-kmp-default-debuginfo - update to 4.12.14-122.258.1
dlm-kmp-default - update to 4.12.14-122.258.1
ocfs2-kmp-default - update to 4.12.14-122.258.1
kernel-default-base - update to 4.12.14-122.258.1
kernel-default-devel-debuginfo - update to 4.12.14-122.258.1
kernel-default-debugsource - update to 4.12.14-122.258.1
dlm-kmp-default-debuginfo - update to 4.12.14-122.258.1
kernel-syms - update to 4.12.14-122.258.1
cluster-md-kmp-default-debuginfo - update to 4.12.14-122.258.1
kernel-default-base-debuginfo - update to 4.12.14-122.258.1
cluster-md-kmp-default - update to 4.12.14-122.258.1
gfs2-kmp-default - update to 4.12.14-122.258.1

• https://git.kernel.org/stable/c/2f29d780bd691d20e89e5b35d5e6568607115e94
• https://git.kernel.org/stable/c/9f36aae9e80e79b7a6d62227eaa96935166be9fe
• https://git.kernel.org/stable/c/c8c37bc514514999e62a17e95160ed9ebf75ca8d
• https://git.kernel.org/stable/c/ed173f77fd28a3e4fffc13b3f28687b9eba61157
• https://mirrors.edge.kernel.org/pub/linux/kernel/v5.x/ChangeLog-5.10.166

• Integer overflow in Linux kernel i2c busses driver
• SUSE update for the Linux Kernel