Vulnerabilities
Vulnerable Software

Vulnerability Details CVE-2022-0185

A heap-based buffer overflow flaw was found in the way the legacy_parse_param function in the Filesystem Context functionality of the Linux kernel verified the supplied parameters length. An unprivileged (in case of unprivileged user namespaces enabled, otherwise needs namespaced CAP_SYS_ADMIN privilege) local user able to open a filesystem that does not support the Filesystem Context API (and thus fallbacks to legacy handling) could use this flaw to escalate their privileges on the system.
Exploit prediction scoring system (EPSS) score
EPSS Score 0.006
EPSS Ranking 69.0%
CVSS Severity
CVSS v3 Score 8.4
CVSS v2 Score 7.2
Proposed Action
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.
Ransomware Campaign
Unknown
Products affected by CVE-2022-0185


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