Out-of-bounds read in Linux kernel - CVE-2022-2380

Vulnerability identifier: #VU65288

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-2022-2380

CWE-ID: CWE-125

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 a boundary condition in the Linux kernel framebuffer within the drivers/video/fbdev/sm712fb.c:smtcfb_read() function. A local user can trigger ab out-of-bounds read error and crash the system.

Linux kernel
Ubuntu
openEuler
linux-image-4.4.0-239-lowlatency (Ubuntu package)
linux-image-lowlatency (Ubuntu package)
linux-image-virtual-lts-xenial (Ubuntu package)
linux-image-4.4.0-1118-kvm (Ubuntu package)
linux-image-generic-lts-xenial (Ubuntu package)
linux-image-kvm (Ubuntu package)
linux-image-4.4.0-239-generic (Ubuntu package)
linux-image-aws (Ubuntu package)
linux-image-4.4.0-1155-aws (Ubuntu package)
linux-image-4.4.0-1117-aws (Ubuntu package)
linux-image-virtual (Ubuntu package)
linux-image-generic (Ubuntu package)
linux-image-lowlatency-lts-xenial (Ubuntu package)
linux-image-generic-hwe-16.04 (Ubuntu package)
linux-image-generic-lpae (Ubuntu package)
linux-image-virtual-hwe-16.04 (Ubuntu package)
linux-image-lowlatency-hwe-16.04 (Ubuntu package)
linux-image-4.15.0-189-generic (Ubuntu package)
linux-image-4.15.0-189-lowlatency (Ubuntu package)
linux-image-4.15.0-189-generic-lpae (Ubuntu package)
linux-image-aws-hwe (Ubuntu package)
linux-image-oracle-lts-18.04 (Ubuntu package)
linux-image-4.15.0-1102-oracle (Ubuntu package)
linux-image-raspi2 (Ubuntu package)
linux-image-4.15.0-1115-raspi2 (Ubuntu package)
linux-image-4.15.0-1123-kvm (Ubuntu package)
linux-image-gcp-lts-18.04 (Ubuntu package)
linux-image-4.15.0-1131-gcp (Ubuntu package)
linux-image-snapdragon (Ubuntu package)
linux-image-4.15.0-1133-snapdragon (Ubuntu package)
linux-image-aws-lts-18.04 (Ubuntu package)
linux-image-4.15.0-1137-aws (Ubuntu package)
linux-image-azure-lts-18.04 (Ubuntu package)
linux-image-4.15.0-1146-azure (Ubuntu package)
linux-image-azure (Ubuntu package)
kernel-debuginfo
kernel
kernel-debugsource
kernel-tools
python2-perf
perf-debuginfo
kernel-tools-devel
bpftool
kernel-source
python3-perf-debuginfo
python3-perf
python2-perf-debuginfo
bpftool-debuginfo
perf
kernel-devel
kernel-tools-debuginfo
linux-image-oem (Ubuntu package)
SCALANCE M874-2
RUGGEDCOM RM1224 LTE(4G) EU
RUGGEDCOM RM1224 LTE(4G) NAM
SCALANCE M804PB
SCALANCE M812-1 ADSL-Router (Annex A)
SCALANCE M812-1 ADSL-Router (Annex B)
SCALANCE M816-1 ADSL-Router (Annex A)
SCALANCE M816-1 ADSL-Router (Annex B)
SCALANCE M826-2 SHDSL-Router
SCALANCE S615 EEC
SCALANCE M874-3
SCALANCE M876-3 (EVDO)
SCALANCE M876-3 (ROK)
SCALANCE M876-4
SCALANCE M876-4 (EU)
SCALANCE M876-4 (NAM)
SCALANCE MUM853-1 (EU)
SCALANCE MUM856-1 (EU)
SCALANCE MUM856-1 (RoW)
SCALANCE S615

Install updates from vendor's website.

linux-image-4.4.0-239-lowlatency (Ubuntu package) - update to Ubuntu Pro
linux-image-lowlatency (Ubuntu package) - addressed in versions Ubuntu Pro (Infra-only), 4.15.0.189.174
linux-image-virtual-lts-xenial (Ubuntu package) - update to Ubuntu Pro (Infra-only)
linux-image-4.4.0-1118-kvm (Ubuntu package) - update to Ubuntu Pro
linux-image-generic-lts-xenial (Ubuntu package) - update to Ubuntu Pro (Infra-only)
linux-image-kvm (Ubuntu package) - addressed in versions Ubuntu Pro (Infra-only), 4.15.0.1123.116
linux-image-4.4.0-239-generic (Ubuntu package) - update to Ubuntu Pro
linux-image-aws (Ubuntu package) - update to Ubuntu Pro (Infra-only)
linux-image-4.4.0-1155-aws (Ubuntu package) - update to Ubuntu Pro
linux-image-4.4.0-1117-aws (Ubuntu package) - update to Ubuntu Pro
linux-image-virtual (Ubuntu package) - addressed in versions Ubuntu Pro (Infra-only), 4.15.0.189.174
linux-image-generic (Ubuntu package) - addressed in versions Ubuntu Pro (Infra-only), 4.15.0.189.174
linux-image-lowlatency-lts-xenial (Ubuntu package) - update to Ubuntu Pro (Infra-only)
linux-image-generic-hwe-16.04 (Ubuntu package) - update to 4.15.0.189.174
linux-image-generic-lpae (Ubuntu package) - update to 4.15.0.189.174
linux-image-virtual-hwe-16.04 (Ubuntu package) - update to 4.15.0.189.174
linux-image-lowlatency-hwe-16.04 (Ubuntu package) - update to 4.15.0.189.174
linux-image-4.15.0-189-generic (Ubuntu package) - update to 4.15.0-189.200
linux-image-4.15.0-189-lowlatency (Ubuntu package) - update to 4.15.0-189.200
linux-image-4.15.0-189-generic-lpae (Ubuntu package) - update to 4.15.0-189.200
linux-image-aws-hwe (Ubuntu package) - update to 4.15.0.1099.92
linux-image-oracle-lts-18.04 (Ubuntu package) - update to 4.15.0.1102.109
linux-image-4.15.0-1102-oracle (Ubuntu package) - update to 4.15.0-1102.113
linux-image-raspi2 (Ubuntu package) - update to 4.15.0.1115.112
linux-image-4.15.0-1115-raspi2 (Ubuntu package) - update to 4.15.0-1115.123
linux-image-4.15.0-1123-kvm (Ubuntu package) - update to 4.15.0-1123.128
linux-image-gcp-lts-18.04 (Ubuntu package) - update to 4.15.0.1131.147
linux-image-4.15.0-1131-gcp (Ubuntu package) - update to 4.15.0-1131.147
linux-image-snapdragon (Ubuntu package) - update to 4.15.0.1133.134
linux-image-4.15.0-1133-snapdragon (Ubuntu package) - update to 4.15.0-1133.143
linux-image-aws-lts-18.04 (Ubuntu package) - update to 4.15.0.1137.137
linux-image-4.15.0-1137-aws (Ubuntu package) - update to 4.15.0-1137.148
linux-image-azure-lts-18.04 (Ubuntu package) - update to 4.15.0.1146.116
linux-image-4.15.0-1146-azure (Ubuntu package) - addressed in versions 4.15.0.1146.133, 4.15.0-1146.161
linux-image-azure (Ubuntu package) - addressed in versions 4.15.0.1146.133, 5.4.0.1086.63
kernel-debuginfo - update to 4.19.90-2207.4.0.0160
kernel - update to 4.19.90-2207.4.0.0160
kernel-debugsource - update to 4.19.90-2207.4.0.0160
kernel-tools - update to 4.19.90-2207.4.0.0160
python2-perf - update to 4.19.90-2207.4.0.0160
perf-debuginfo - update to 4.19.90-2207.4.0.0160
kernel-tools-devel - update to 4.19.90-2207.4.0.0160
bpftool - update to 4.19.90-2207.4.0.0160
kernel-source - update to 4.19.90-2207.4.0.0160
python3-perf-debuginfo - update to 4.19.90-2207.4.0.0160
python3-perf - update to 4.19.90-2207.4.0.0160
python2-perf-debuginfo - update to 4.19.90-2207.4.0.0160
bpftool-debuginfo - update to 4.19.90-2207.4.0.0160
perf - update to 4.19.90-2207.4.0.0160
kernel-devel - update to 4.19.90-2207.4.0.0160
kernel-tools-debuginfo - update to 4.19.90-2207.4.0.0160
linux-image-oem (Ubuntu package) - update to 5.4.0.122.138~18.04.102
SCALANCE M874-2 - update to 7.2
RUGGEDCOM RM1224 LTE(4G) EU - update to 7.2
RUGGEDCOM RM1224 LTE(4G) NAM - update to 7.2
SCALANCE M804PB - update to 7.2
SCALANCE M812-1 ADSL-Router (Annex A) - update to 7.2
SCALANCE M812-1 ADSL-Router (Annex B) - update to 7.2
SCALANCE M816-1 ADSL-Router (Annex A) - update to 7.2
SCALANCE M816-1 ADSL-Router (Annex B) - update to 7.2
SCALANCE M826-2 SHDSL-Router - update to 7.2
SCALANCE S615 EEC - update to 7.2
SCALANCE M874-3 - update to 7.2
SCALANCE M876-3 (EVDO) - update to 7.2
SCALANCE M876-3 (ROK) - update to 7.2
SCALANCE M876-4 - update to 7.2
SCALANCE M876-4 (EU) - update to 7.2
SCALANCE M876-4 (NAM) - update to 7.2
SCALANCE MUM853-1 (EU) - update to 7.2
SCALANCE MUM856-1 (EU) - update to 7.2
SCALANCE MUM856-1 (RoW) - update to 7.2
SCALANCE S615 - update to 7.2

• https://git.kernel.org/pub/scm/linux/kernel/git/deller/linux-fbdev.git/commit/?h=for-next&id=bd771cf5c4254511cc4abb88f3dab3bd58bdf8e8

• Denial of service in Linux kernel framebuffer
• Ubuntu update for linux
• Ubuntu update for linux-azure
• Multiple vulnerabilities in Siemens RUGGEDCOM and SCALANCE Products
• Ubuntu update for linux-aws
• Ubuntu update for linux-aws
• Ubuntu update for linux
• openEuler update for kernel