CVE-2009-2698

high-risk
Published 2009-08-27

The udp_sendmsg function in the UDP implementation in (1) net/ipv4/udp.c and (2) net/ipv6/udp.c in the Linux kernel before 2.6.19 allows local users to gain privileges or cause a denial of service (NULL pointer dereference and system crash) via vectors involving the MSG_MORE flag and a UDP socket.

Do I need to act?

!
26.1% chance of exploitation in next 30 days
EPSS score — higher than 74% of all CVEs
-
Not on CISA KEV list
No confirmed active exploitation reported to CISA
!
3 public exploits available
9575, 9574, 9542
?
Patch status unknown
Check vendor advisories for fix availability and mitigation guidance
7
CVSS 7.8/10 High
LOCAL / LOW complexity

Affected Products (20)

Affected Vendors

Fedoraproject Suse Linux Vmware Canonical Redhat

References (52)

Broken Link http://git.kernel.org/?p=linux/kernel/git/torvalds/linux-2.6.git%3Ba=commit%3Bh=...
Mailing List http://lists.opensuse.org/opensuse-security-announce/2009-08/msg00008.html
Third Party Advisory http://rhn.redhat.com/errata/RHSA-2009-1222.html
Third Party Advisory http://rhn.redhat.com/errata/RHSA-2009-1223.html
Broken Link http://secunia.com/advisories/23073
Broken Link http://secunia.com/advisories/36430
Broken Link http://secunia.com/advisories/36510
Broken Link http://secunia.com/advisories/37105
Broken Link http://secunia.com/advisories/37298
Broken Link http://secunia.com/advisories/37471
Third Party Advisory http://support.avaya.com/css/P8/documents/100067254
Broken Link http://www.kernel.org/pub/linux/kernel/v2.6/ChangeLog-2.6.19
Broken Link http://www.mandriva.com/security/advisories?name=MDVSA-2011:051
Mailing List http://www.openwall.com/lists/oss-security/2009/08/25/1
Broken Link http://www.redhat.com/support/errata/RHSA-2009-1233.html
Broken Link http://www.securityfocus.com/archive/1/507985/100/0/threaded
Broken Link http://www.securityfocus.com/archive/1/512019/100/0/threaded
Broken Link http://www.securityfocus.com/bid/36108
Broken Link http://www.securitytracker.com/id?1022761
Third Party Advisory http://www.ubuntu.com/usn/USN-852-1
and 32 more references
66
/ 100
high-risk
Severity 24/34 · High
Exploitability 22/34 · High
Exposure 20/34 · Moderate