A heap buffer overflow flaw was found in IPsec ESP transformation code in net/ipv4/esp4.c and net/ipv6/esp6.c. This flaw allows a local attacker with a normal user privilege to overwrite kernel heap objects and may cause a local privilege escalation threat.
Published 2022-03-23 06:15:07
Updated 2023-02-01 14:32:54
Source MITRE
View at NVD,   CVE.org
Vulnerability category: OverflowMemory CorruptionGain privilege

Threat overview for CVE-2022-27666

Top countries where our scanners detected CVE-2022-27666
Top open port discovered on systems with this issue 80
IPs affected by CVE-2022-27666 89,447
Threat actors abusing to this issue? Yes
Find out if you* are affected by CVE-2022-27666!
*Directly or indirectly through your vendors, service providers and 3rd parties. Powered by attack surface intelligence from SecurityScorecard.

Exploit prediction scoring system (EPSS) score for CVE-2022-27666

Probability of exploitation activity in the next 30 days: 0.04%

Percentile, the proportion of vulnerabilities that are scored at or less: ~ 6 % EPSS Score History EPSS FAQ

CVSS scores for CVE-2022-27666

Base Score Base Severity CVSS Vector Exploitability Score Impact Score Score Source
4.6
MEDIUM AV:L/AC:L/Au:N/C:P/I:P/A:P
3.9
6.4
NIST
7.8
HIGH CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
1.8
5.9
NIST

CWE ids for CVE-2022-27666

  • The product writes data past the end, or before the beginning, of the intended buffer.
    Assigned by: nvd@nist.gov (Primary)

References for CVE-2022-27666

Products affected by CVE-2022-27666

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