crypto/ghash-generic.c in the Linux kernel before 3.1 allows local users to cause a denial of service (NULL pointer dereference and OOPS) or possibly have unspecified other impact by triggering a failed or missing ghash_setkey function call, followed by a (1) ghash_update function call or (2) ghash_final function call, as demonstrated by a write operation on an AF_ALG socket.
Published 2012-05-24 23:55:02
Updated 2023-02-13 04:32:43
Source Red Hat, Inc.
View at NVD,   CVE.org
Vulnerability category: Memory CorruptionDenial of service

Threat overview for CVE-2011-4081

Top countries where our scanners detected CVE-2011-4081
Top open port discovered on systems with this issue 49152
IPs affected by CVE-2011-4081 2,636
Threat actors abusing to this issue? Yes
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Exploit prediction scoring system (EPSS) score for CVE-2011-4081

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-2011-4081

Base Score Base Severity CVSS Vector Exploitability Score Impact Score Score Source
4.9
MEDIUM AV:L/AC:L/Au:N/C:N/I:N/A:C
3.9
6.9
NIST
5.5
MEDIUM CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H
1.8
3.6
NIST

CWE ids for CVE-2011-4081

  • A NULL pointer dereference occurs when the application dereferences a pointer that it expects to be valid, but is NULL, typically causing a crash or exit.
    Assigned by: nvd@nist.gov (Primary)

References for CVE-2011-4081

Products affected by CVE-2011-4081

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