Linux Kernel Heap-Based Buffer Overflow Vulnerability

Added to KEV
2024-08-21
Federal due date
2024-09-11
Vendor
Linux
Product
Kernel
EPSS
83.8th percentile (score 0.019, as of 2026-06-08)
NVD CVSS v3.1
Ransomware use
Unknown
Upstream
https://nvd.nist.gov/vuln/detail/CVE-2022-0185

CISA short description

Linux kernel contains a heap-based buffer overflow vulnerability in the legacy_parse_param function in the Filesystem Context functionality. This allows an attacker to open a filesystem that does not support the Filesystem Context API and ultimately escalate privileges.

Required action

Apply updates per vendor instructions or discontinue use of the product if updates are unavailable.

EPSS percentile is the FIRST.org exploit-probability ranking as of the date noted above; it moves daily. CVSS reflects NVD's analysis at time of publication.