4.9 Medium
CVSS2
Access Vector
LOCAL
Access Complexity
LOW
Authentication
NONE
Confidentiality Impact
NONE
Integrity Impact
NONE
Availability Impact
COMPLETE
AV:L/AC:L/Au:N/C:N/I:N/A:C
kernel is vulnerable to denial of service. A divide-by-zero flaw was found in the tcp_select_initial_window() function in the Linux kernel’s TCP/IP protocol suite implementation. A local, unprivileged user could use this flaw to trigger a denial of service by calling setsockopt() with certain options.
docs.redhat.com/docs/en-US/Red_Hat_Enterprise_Linux/6/html/Technical_Notes/ape.html#RHSA-2011-0283
git.kernel.org/?p=linux/kernel/git/torvalds/linux-2.6.git%3Ba=commit%3Bh=7a1abd08d52fdeddb3e9a5a33f2f15cc6a5674d2
git.kernel.org/?p=linux/kernel/git/torvalds/linux-2.6.git;a=commit;h=7a1abd08d52fdeddb3e9a5a33f2f15cc6a5674d2
lists.opensuse.org/opensuse-security-announce/2011-01/msg00000.html
lists.opensuse.org/opensuse-security-announce/2011-01/msg00001.html
lists.opensuse.org/opensuse-security-announce/2011-01/msg00004.html
lists.opensuse.org/opensuse-security-announce/2011-02/msg00000.html
secunia.com/advisories/42778
secunia.com/advisories/42801
secunia.com/advisories/42932
securityreason.com/securityalert/8111
securityreason.com/securityalert/8123
www.kernel.org/pub/linux/kernel/v2.6/testing/ChangeLog-2.6.37-rc2
www.mandriva.com/security/advisories?name=MDVSA-2011:029
www.mandriva.com/security/advisories?name=MDVSA-2011:051
www.openwall.com/lists/oss-security/2010/11/12/1
www.openwall.com/lists/oss-security/2010/11/12/4
www.osvdb.org/69241
www.securityfocus.com/bid/44830
www.spinics.net/lists/netdev/msg146405.html
www.spinics.net/lists/netdev/msg146495.html
www.vupen.com/english/advisories/2011/0012
www.vupen.com/english/advisories/2011/0124
www.vupen.com/english/advisories/2011/0298
access.redhat.com/errata/RHSA-2011:0283
access.redhat.com/security/updates/classification/#moderate
bugzilla.redhat.com/show_bug.cgi?id=652508