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CVE-2022-0185: Linux Kernel Heap-Based Buffer Overflow Vulnerability

criticalknown exploitedpublic exploitCVE-2022-0185
Actively exploited. At least one CVE in this advisory is listed in the CISA Known Exploited Vulnerabilities catalog — exploitation has been observed in the wild. Treat remediation as urgent.
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.

CSIRTS triage

vendor: Linuxproduct: KernelPrivilege escalationMemory corruption
What
A heap-based buffer overflow vulnerability allows privilege escalation.
Who is affected
Linux kernel deployments are affected.
Urgency
Remediation is critical as the vulnerability is actively exploited and poses a severe risk.
Action
Update the Linux kernel to the latest version.

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Details

Source
CISA Known Exploited Vulnerabilities (US · database · site)
Severity
critical
Published
2024-08-21
Exploitation
Observed in the wild (CISA KEV)

Original advisory: https://nvd.nist.gov/vuln/detail/CVE-2022-0185

Exploitation outlook

EPSS (FIRST.org) estimates each CVE’s probability of exploitation in the next 30 days — here is the CSIRTS.com read on those numbers.

Referenced CVEs

CVECSIRTS overviewExternal
CVE-2022-0185coverage & exploitation statusNVD · CVE.org

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