CVE-2011-4081

  1. OpenCVE
  2. Vulnerabilities (CVE)
  3. CVE-2011-4081
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.

5.5 /10

CVSS v3 : MEDIUM

V3 Legend

Vector :

Exploitability : 1.8 / Impact : 3.6

Attack Vector LOCAL

Attack Complexity LOW

Privileges Required LOW

User Interaction NONE

Confidentiality Impact NONE

Integrity Impact NONE

Availability Impact HIGH

Scope UNCHANGED

4.9 /10

CVSS v2.0 : MEDIUM

V2 Legend

Vector : AV:L/AC:L/Au:N/C:N/I:N/A:C

Exploitability : 3.9 / Impact : 6.9

Access Vector LOCAL

Access Complexity LOW

Authentication NONE

Confidentiality Impact NONE

Integrity Impact NONE

Availability Impact COMPLETE

References
Link Resource
http://git.kernel.org/?p=linux/kernel/git/torvalds/linux-2.6.git%3Ba=commit%3Bh=7ed47b7d142ec99ad6880bbbec51e9f12b3af74c
http://www.kernel.org/pub/linux/kernel/v3.x/ChangeLog-3.1 Mailing List Patch Vendor Advisory
http://www.openwall.com/lists/oss-security/2011/10/27/2 Mailing List Patch Third Party Advisory
https://bugzilla.redhat.com/show_bug.cgi?id=749475 Issue Tracking Patch Third Party Advisory
https://github.com/torvalds/linux/commit/7ed47b7d142ec99ad6880bbbec51e9f12b3af74c Exploit Patch Third Party Advisory
Configurations

Configuration 1 (hide)

cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*
History

13 Feb 2023, 04:32

Type Values Removed Values Added
References
  • {'url': 'https://access.redhat.com/errata/RHSA-2012:0010', 'name': 'https://access.redhat.com/errata/RHSA-2012:0010', 'tags': [], 'refsource': 'MISC'}
  • {'url': 'https://access.redhat.com/errata/RHSA-2012:0350', 'name': 'https://access.redhat.com/errata/RHSA-2012:0350', 'tags': [], 'refsource': 'MISC'}
  • {'url': 'https://access.redhat.com/security/cve/CVE-2011-4081', 'name': 'https://access.redhat.com/security/cve/CVE-2011-4081', 'tags': [], 'refsource': 'MISC'}
Summary CVE-2011-4081 kernel: crypto: ghash: null pointer deref if no key is set 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.

02 Feb 2023, 18:15

Type Values Removed Values Added
References
  • {'url': 'http://git.kernel.org/?p=linux/kernel/git/torvalds/linux-2.6.git;a=commit;h=7ed47b7d142ec99ad6880bbbec51e9f12b3af74c', 'name': 'http://git.kernel.org/?p=linux/kernel/git/torvalds/linux-2.6.git;a=commit;h=7ed47b7d142ec99ad6880bbbec51e9f12b3af74c', 'tags': ['Mailing List', 'Patch', 'Vendor Advisory'], 'refsource': 'CONFIRM'}
  • (MISC) https://access.redhat.com/errata/RHSA-2012:0010 -
  • (MISC) https://access.redhat.com/errata/RHSA-2012:0350 -
  • (MISC) http://git.kernel.org/?p=linux/kernel/git/torvalds/linux-2.6.git%3Ba=commit%3Bh=7ed47b7d142ec99ad6880bbbec51e9f12b3af74c -
  • (MISC) https://access.redhat.com/security/cve/CVE-2011-4081 -
Summary 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. CVE-2011-4081 kernel: crypto: ghash: null pointer deref if no key is set
Information

Published : 2012-05-24 23:55

Updated : 2023-12-10 11:16

NVD link : CVE-2011-4081

Mitre link : CVE-2011-4081

CVE.ORG link : CVE-2011-4081

JSON object : View

Products Affected

linux

  • linux_kernel
CWE
CWE-476

NULL Pointer Dereference