Veracode Vulnerability DatabaseVERACODE:13806Denial Of Service (DoS)
6.2 Medium
CVSS2
Access Vector
LOCAL
Access Complexity
HIGH
Authentication
NONE
Confidentiality Impact
COMPLETE
Integrity Impact
COMPLETE
Availability Impact
COMPLETE
AV:L/AC:H/Au:N/C:C/I:C/A:C
kernel-rt is vulnerable to denial of service. A local user is able to crash the system via vectors involving munmap and close system call due to multiple race conditions in the function madvise_remove in mm/madvise.c.
References
git.kernel.org/?p=linux/kernel/git/torvalds/linux-2.6.git%3Ba=commit%3Bh=9ab4233dd08036fe34a89c7dc6f47a8bf2eb29eb
git.kernel.org/?p=linux/kernel/git/torvalds/linux-2.6.git;a=commit;h=9ab4233dd08036fe34a89c7dc6f47a8bf2eb29eb
secunia.com/advisories/50633
secunia.com/advisories/50732
secunia.com/advisories/55055
ubuntu.com/usn/usn-1529-1
www.kernel.org/pub/linux/kernel/v3.x/ChangeLog-3.4.5
www.openwall.com/lists/oss-security/2012/08/20/13
www.securityfocus.com/bid/55151
www.ubuntu.com/usn/USN-1567-1
www.ubuntu.com/usn/USN-1572-1
www.ubuntu.com/usn/USN-1577-1
access.redhat.com/errata/RHSA-2012:1426
access.redhat.com/errata/RHSA-2012:1491
access.redhat.com/errata/RHSA-2013:1292
access.redhat.com/knowledge/docs/en-US/Red_Hat_Enterprise_MRG/2/html/Technical_Notes/sec-Red_Hat_Enterprise_Linux_6.html#RHSA-2012-1491
access.redhat.com/security/cve/CVE-2012-3511
access.redhat.com/security/updates/classification/#important
bugzilla.redhat.com/show_bug.cgi?id=843130
bugzilla.redhat.com/show_bug.cgi?id=849734
bugzilla.redhat.com/show_bug.cgi?id=856243
bugzilla.redhat.com/show_bug.cgi?id=859226
bugzilla.redhat.com/show_bug.cgi?id=864568
github.com/torvalds/linux/commit/9ab4233dd08036fe34a89c7dc6f47a8bf2eb29eb
rhn.redhat.com/errata/RHSA-2012-1491.html
Related
6.2 Medium
CVSS2
Access Vector
LOCAL
Access Complexity
HIGH
Authentication
NONE
Confidentiality Impact
COMPLETE
Integrity Impact
COMPLETE
Availability Impact
COMPLETE
AV:L/AC:H/Au:N/C:C/I:C/A:C