CVE-2009-2698
What it is
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.
At a glance
- Exploitability
- Can be exploited locally on the machine with a low-privilege account. High risk of data exposure, data tampering, service disruption.
- Exploit odds
- 7.1% chance of exploitation in the next 30 days (EPSS).
- Fix
- A patch, advisory or fixed version is referenced. Upgrade or apply it.
Timeline
- PublishedDisclosed publicly on CVE.org and NVD
- Last updatedMost recent change to the record
Why it ranks here
- Exploited in the wild: no, CISA does not list it.
- Exploit odds: 7.1% in the next 30 days (EPSS).
- Severity: 7.8 HIGH (CVSS).
- Fix: a patch or advisory is linked.
Details
- Published
- Last modified
- Exploit probability
- 7.1% · EPSS, next 30 days
- Weakness
- CWE-476 · NULL pointer dereference
- Record status
- Modified
Affected
- Linux Kernel < 2.6.19
- Canonical Ubuntu Linux 6.06
- Canonical Ubuntu Linux 8.04
- Canonical Ubuntu Linux 8.10
- Canonical Ubuntu Linux 9.04
- Suse Linux Enterprise Desktop 10
- Suse Linux Enterprise Server 9
- Suse Linux Enterprise Server 10
Attack profile CVSS 3.1 · 7.8
- Attack vector
- Local
- Complexity
- Low
- Privileges needed
- Low
- User interaction
- None
- Scope
- Unchanged
- Confidentiality
- High
- Integrity
- High
- Availability
- High
Raw vector
CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
Is it in your code?
Hand this to your coding agent. It searches your project for the affected products and checks versions. Nothing leaves your machine.
Read https://cve-list.com/agent/cve/CVE-2009-2698.md and follow it. Check whether this project is affected by CVE-2009-2698. Read only. Don't change anything and don't upload my code. Tell me yes, no or not sure, with the file as proof.
Fix and advisories
- http://secunia.com/advisories/23073
- http://secunia.com/advisories/36430
- http://secunia.com/advisories/36510
- http://secunia.com/advisories/37105
- http://secunia.com/advisories/37298
- http://secunia.com/advisories/37471
- http://www.kernel.org/pub/linux/kernel/v2.6/ChangeLog-2.6.19
- http://www.securityfocus.com/bid/36108
- http://secunia.com/advisories/23073
- http://secunia.com/advisories/36430
References
- 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.html
- http://rhn.redhat.com/errata/RHSA-2009-1222.html
- http://rhn.redhat.com/errata/RHSA-2009-1223.html
- http://secunia.com/advisories/23073
- http://secunia.com/advisories/36430
- http://secunia.com/advisories/36510
- http://secunia.com/advisories/37105
- http://secunia.com/advisories/37298
- http://secunia.com/advisories/37471
- http://support.avaya.com/css/P8/documents/100067254
- http://www.kernel.org/pub/linux/kernel/v2.6/ChangeLog-2.6.19
- http://www.mandriva.com/security/advisories?name=MDVSA-2011:051
- http://www.openwall.com/lists/oss-security/2009/08/25/1
- http://www.redhat.com/support/errata/RHSA-2009-1233.html
- http://www.securityfocus.com/archive/1/507985/100/0/threaded
- http://www.securityfocus.com/archive/1/512019/100/0/threaded
- http://www.securityfocus.com/bid/36108
- http://www.securitytracker.com/id?1022761
- http://www.ubuntu.com/usn/USN-852-1
- http://www.vmware.com/security/advisories/VMSA-2009-0016.html
- http://www.vupen.com/english/advisories/2009/3316
- https://bugzilla.redhat.com/show_bug.cgi?id=518034
- https://oval.cisecurity.org/repository/search/definition/oval%3Aorg.mitre.oval%3Adef%3A11514
- https://oval.cisecurity.org/repository/search/definition/oval%3Aorg.mitre.oval%3Adef%3A8557