Description
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.
CVSS breakdown
CVSS 3.1
Attack Vector
Local
Attack Complexity
Low
Privileges Required
Low
User Interaction
None
Scope
Unchanged
Confidentiality
High
Integrity
High
Availability
High
Affected products
- Canonical / Ubuntu Linux6.06 – 6.06
- Canonical / Ubuntu Linux8.04 – 8.04
- Canonical / Ubuntu Linux8.10 – 8.10
- Canonical / Ubuntu Linux9.04 – 9.04
- fedoraproject / fedora10 – 10
- Linux / Linux kernel2.6.19
- RedHat / enterprise_linux_desktop5.0 – 5.0
- RedHat / enterprise_linux_desktop4.0 – 4.0
- RedHat / enterprise_linux_eus5.3 – 5.3
- RedHat / enterprise_linux_eus4.8 – 4.8
- RedHat / enterprise_linux_server5.0 – 5.0
- RedHat / enterprise_linux_server4.0 – 4.0
- RedHat / enterprise_linux_server_aus5.3 – 5.3
- RedHat / enterprise_linux_workstation5.0 – 5.0
- RedHat / enterprise_linux_workstation4.0 – 4.0
- SUSE / linux_enterprise_desktop10 – 10
- SUSE / linux_enterprise_server10 – 10
- SUSE / linux_enterprise_server9 – 9
- VMware / ESXi4.0 – 4.0
- VMware / vCenter Server4.0 – 4.0
References
- MISChttp://www.redhat.com/support/errata/RHSA-2009-1233.html
- MISChttp://rhn.redhat.com/errata/RHSA-2009-1223.html
- MISChttp://www.securityfocus.com/archive/1/512019/100/0/threaded
- VENDOR_ADVISORYhttp://secunia.com/advisories/37298
- MISChttp://www.securitytracker.com/id?1022761
- VENDOR_ADVISORYhttp://secunia.com/advisories/36430
- MAILING_LISThttp://lists.opensuse.org/opensuse-security-announce/2009-08/msg00008.html
- MISChttps://oval.cisecurity.org/repository/search/definition/oval%3Aorg.mitre.oval%3Adef%3A11514
- VENDOR_ADVISORYhttp://secunia.com/advisories/36510
- VENDOR_ADVISORYhttp://secunia.com/advisories/37471
- MISChttp://rhn.redhat.com/errata/RHSA-2009-1222.html
- VENDOR_ADVISORYhttp://www.ubuntu.com/usn/USN-852-1
- VENDOR_ADVISORYhttp://secunia.com/advisories/23073
- VENDOR_ADVISORYhttp://www.vmware.com/security/advisories/VMSA-2009-0016.html
- MISChttp://www.securityfocus.com/bid/36108
- MAILING_LISThttp://www.openwall.com/lists/oss-security/2009/08/25/1
- VENDOR_ADVISORYhttp://www.mandriva.com/security/advisories?name=MDVSA-2011:051
- MISChttp://www.securityfocus.com/archive/1/507985/100/0/threaded
- MISChttp://support.avaya.com/css/P8/documents/100067254
- MISChttps://oval.cisecurity.org/repository/search/definition/oval%3Aorg.mitre.oval%3Adef%3A9142
- MISChttps://oval.cisecurity.org/repository/search/definition/oval%3Aorg.mitre.oval%3Adef%3A8557
- MISChttp://git.kernel.org/?p=linux/kernel/git/torvalds/linux-2.6.git%3Ba=commit%3Bh=1e0c14f49d6b393179f423abbac47f85618d3d46
- MISChttp://www.kernel.org/pub/linux/kernel/v2.6/ChangeLog-2.6.19
- VENDOR_ADVISORYhttp://www.vupen.com/english/advisories/2009/3316
- VENDOR_ADVISORYhttp://secunia.com/advisories/37105
- MISChttps://bugzilla.redhat.com/show_bug.cgi?id=518034