CVE-2009-2698
HIGH severity · CVSS 7.8 · CWE-476
7.8CVSS HIGH
Summary
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.
Impact & exploitability
Attack vectorLocal
Attack complexityLow
Privileges requiredLow
User interactionNone
Confidentiality impactHigh
Integrity impactHigh
Availability impactHigh
Exploit probability (EPSS)7%
CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
Affected products we track (7)
Recommendation
Apply the vendor fix promptly. Open any affected product above for its exact safe version.
Additional information
- NVD record
- http://secunia.com/advisories/23073Advisory
- http://secunia.com/advisories/36430Advisory
- http://secunia.com/advisories/36510Advisory
- http://secunia.com/advisories/37105Advisory
- http://git.kernel.org/?p=linux/kernel/git/torvalds/linux-2.6.git%3Ba=commit%3Bh=1e0c14f49d6b393179f423abbac47f85618d3d46
- http://lists.opensuse.org/opensuse-security-announce/2009-08/msg00008.htmlAdvisory
- http://rhn.redhat.com/errata/RHSA-2009-1222.htmlAdvisory
- http://rhn.redhat.com/errata/RHSA-2009-1223.htmlAdvisory