Out-of-bounds read in Linux kernel - CVE-2022-50762

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Main Vulnerability Database Vulnerabilities #VU120431

Out-of-bounds read in Linux kernel - CVE-2022-50762

Published: December 26, 2025 / Updated: December 31, 2025


Vulnerability identifier: #VU120431
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-2022-50762
CWE-ID: CWE-125
Exploitation vector: Local access
Exploit availability: No public exploit available

Vulnerability details

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 true_sectors_per_clst() function in fs/ntfs3/super.c. A local user can perform a denial of service (DoS) attack.


Affected software

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

How to mitigate CVE-2022-50762

Install update from vendor's repository.

Linux kernel - addressed in versions 5.15.86, 6.0.16, 6.1.2, 6.2
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

External References

Related Security Bulletins