NULL pointer dereference in Linux Kernel
CVE-2009-2698
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.
Published · last modified .
CVSS v3 metric
CVSS v3 base score 7.8 (High). Vector: CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H.
EPSS exploit prediction
EPSS: 0.071 (94.0th percentile), scored .
Low probability of exploitation in the next 30 days, but still tracked. 94th percentile — 94.0% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.
EPSS over last 30 days · oldest: 0.071 · newest: 0.071 · change: 0.000
Affected products
- Linux Kernel
- VMware Esxi — versions 4.0
- VMware Vcenter Server — versions 4.0
- Canonical Ubuntu Linux — versions 6.06, 8.04, 8.10
- Fedoraproject Fedora — versions 10
- Red Hat Enterprise Linux Desktop — versions 4.0, 5.0
- Red Hat Enterprise Linux Eus — versions 4.8, 5.3
- Red Hat Enterprise Linux Server — versions 4.0, 5.0
- Red Hat Enterprise Linux Server Aus — versions 5.3
- Red Hat Enterprise Linux Workstation — versions 4.0, 5.0
Weakness classification (CWE)
Public proof-of-concept exploits
References
- www.redhat.com/support/errata/RHSA-2009-1233.html (vendor-advisory, Third Party Advisory, Broken Link)
- rhn.redhat.com/errata/RHSA-2009-1223.html (vendor-advisory, Third Party Advisory)
- www.securityfocus.com/archive/1/512019/100/0/threaded (mailing-list, VDB Entry, Third Party Advisory, Broken Link)
- secunia.com/advisories/37298 (Broken Link, Vendor Advisory, third-party-advisory)
- www.securitytracker.com/id (VDB Entry, Third Party Advisory, vdb-entry, Broken Link)
- secunia.com/advisories/36430 (Broken Link, Vendor Advisory, third-party-advisory)
- lists.opensuse.org/opensuse-security-announce/2009-08/msg00008.html (vendor-advisory, Mailing List, Third Party Advisory)
- oval.cisecurity.org/repository/search/definition/oval:org.mitre.oval:def:11514 (Broken Link, signature, Third Party Advisory, vdb-entry)
- secunia.com/advisories/36510 (Broken Link, Vendor Advisory, third-party-advisory)
- secunia.com/advisories/37471 (Broken Link, Vendor Advisory, third-party-advisory)
Frequently asked questions
- What is CVE-2009-2698?
- CVE-2009-2698 is a high-severity vulnerability in Linux Kernel, classified under NULL Pointer Dereference. CVSS score: 7.8/10. Published 2009-08-27.
- How severe is CVE-2009-2698?
- High severity. CVSS v3 base score is 7.8 out of 10.
- Is CVE-2009-2698 known to be exploited?
- 62 public proof-of-concept repositories are indexed. Not currently listed in the CISA KEV catalog.