Out-of-bounds write in Linux kernel - CVE-2022-50442

Vulnerability identifier: #VU116273

CSH Severity: Low

CVSS v4: 8.5 [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]

CVE-ID: CVE-2022-50442

CWE-ID: CWE-787

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 an out-of-bounds write within the indx_read() function in fs/ntfs3/index.c. A local user can execute arbitrary code.

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

Install update from vendor's repository.

Linux kernel - update to 6.0.17
kernel - update to 5.10.0-316.0.0.219
bpftool - update to 5.10.0-316.0.0.219
bpftool-debuginfo - update to 5.10.0-316.0.0.219
kernel-debuginfo - update to 5.10.0-316.0.0.219
kernel-debugsource - update to 5.10.0-316.0.0.219
kernel-devel - update to 5.10.0-316.0.0.219
kernel-headers - update to 5.10.0-316.0.0.219
kernel-source - update to 5.10.0-316.0.0.219
kernel-tools - update to 5.10.0-316.0.0.219
kernel-tools-debuginfo - update to 5.10.0-316.0.0.219
kernel-tools-devel - update to 5.10.0-316.0.0.219
perf - update to 5.10.0-316.0.0.219
perf-debuginfo - update to 5.10.0-316.0.0.219
python3-perf - update to 5.10.0-316.0.0.219
python3-perf-debuginfo - update to 5.10.0-316.0.0.219

• https://git.kernel.org/stable/c/3cd9e5b41b83bb57ac3cf9888f9fef2a6ef8ed96
• https://git.kernel.org/stable/c/3f6f75e8863f41c8b3dbfd9d99e3963aaca42601
• https://git.kernel.org/stable/c/4d42ecda239cc13738d6fd84d098a32e67b368b9
• https://git.kernel.org/stable/c/b15374365c9d10445ea7d66cdf885457a0223fc2
• https://mirrors.edge.kernel.org/pub/linux/kernel/v6.x/ChangeLog-6.0.17

• Out-of-bounds write in Linux kernel ntfs3
• openEuler 22.03 LTS SP4 update for kernel