Out-of-bounds read in Linux kernel - CVE-2022-50315

Vulnerability identifier: #VU115406

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-2022-50315

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 an out-of-bounds read error within the drivers/ata/ahci.h. A local user can perform a denial of service (DoS) attack.

Linux kernel
openEuler
kernel
bpftool
bpftool-debuginfo
kernel-debuginfo
kernel-debugsource
kernel-devel
kernel-source
kernel-tools
kernel-tools-debuginfo
kernel-tools-devel
perf
perf-debuginfo
python2-perf
python2-perf-debuginfo
python3-perf
python3-perf-debuginfo

Install update from vendor's repository.

Linux kernel - update to 4.9.332
kernel - update to 4.19.90-2510.1.0.0346
bpftool - update to 4.19.90-2510.1.0.0346
bpftool-debuginfo - update to 4.19.90-2510.1.0.0346
kernel-debuginfo - update to 4.19.90-2510.1.0.0346
kernel-debugsource - update to 4.19.90-2510.1.0.0346
kernel-devel - update to 4.19.90-2510.1.0.0346
kernel-source - update to 4.19.90-2510.1.0.0346
kernel-tools - update to 4.19.90-2510.1.0.0346
kernel-tools-debuginfo - update to 4.19.90-2510.1.0.0346
kernel-tools-devel - update to 4.19.90-2510.1.0.0346
perf - update to 4.19.90-2510.1.0.0346
perf-debuginfo - update to 4.19.90-2510.1.0.0346
python2-perf - update to 4.19.90-2510.1.0.0346
python2-perf-debuginfo - update to 4.19.90-2510.1.0.0346
python3-perf - update to 4.19.90-2510.1.0.0346
python3-perf-debuginfo - update to 4.19.90-2510.1.0.0346

• https://git.kernel.org/stable/c/1e41e693f458eef2d5728207dbd327cd3b16580a
• https://git.kernel.org/stable/c/303d0f761431d848dd8d7ff9fd9b8c101879cabe
• https://git.kernel.org/stable/c/383b7c50f5445ff8dbbf03080905648d6980c39d
• https://git.kernel.org/stable/c/67a00c299c5c143817c948fbc7de1a2fa1af38fb
• https://git.kernel.org/stable/c/8fbe13de1cc7cef2564be3cbf60400b33eee023b
• https://git.kernel.org/stable/c/d6314d5f68764550c84d732ce901ddd3ac6b415f
• https://git.kernel.org/stable/c/da2ea4a961d9f89ed248734e7032350c260dc3a3
• https://git.kernel.org/stable/c/f70bd4339cb68bc7e206af4c922bc0d249244403
• https://mirrors.edge.kernel.org/pub/linux/kernel/v4.x/ChangeLog-4.9.332

• Out-of-bounds read in Linux kernel ata driver
• openEuler 20.03 LTS SP4 update for kernel