CVE-2011-1598

Description

The bcm_release function in net/can/bcm.c in the Linux kernel before 2.6.39-rc6 does not properly validate a socket data structure, which allows local users to cause a denial of service (NULL pointer dereference) or possibly have unspecified other impact via a crafted release operation.

CVSS Metrics

• v2.0•MEDIUM•Score: 4.9AV:L/AC:L/Au:N/C:N/I:N/A:C

EPSS Trends

Current EPSS score: 0.05%• Percentile: 15%

Techniques & Countermeasures

• CWE-476•NULL Pointer Dereference

  The product dereferences a pointer that it expects to be valid but is NULL.

Affected Systems

• linux•linux_kernel

  < 2.6.39 | 2.6.39 | 2.6.39:rc1 | 2.6.39:rc2 | 2.6.39:rc3 | 2.6.39:rc4 | 2.6.39:rc5

References (13)

• http://openwall.com/lists/oss-security/2011/04/21/1
• http://openwall.com/lists/oss-security/2011/04/20/7
• http://openwall.com/lists/oss-security/2011/04/25/4
• http://git.kernel.org/?p=linux/kernel/git/torvalds/linux-2.6.git%3Ba=commit%3Bh=c6914a6f261aca0c9f715f883a353ae7ff51fe83
• http://openwall.com/lists/oss-security/2011/04/21/7
• http://www.kernel.org/pub/linux/kernel/v2.6/testing/ChangeLog-2.6.39-rc6
• http://permalink.gmane.org/gmane.linux.network/192898
• http://openwall.com/lists/oss-security/2011/04/22/2
• http://openwall.com/lists/oss-security/2011/04/21/2
• http://openwall.com/lists/oss-security/2011/04/20/6
• http://openwall.com/lists/oss-security/2011/04/20/2
• http://www.securityfocus.com/bid/47503
• https://bugzilla.redhat.com/show_bug.cgi?id=698057