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.
EPSS: 0.071 (93.6th percentile) — read the EPSS interpretation.
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.
Affected products
- Linux 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
- Redhat Enterprise_linux_desktop — versions 4.0, 5.0
- Redhat Enterprise_linux_eus — versions 4.8, 5.3
- Redhat Enterprise_linux_server — versions 4.0, 5.0
- Redhat Enterprise_linux_server_aus — versions 5.3
- Redhat Enterprise_linux_workstation — versions 4.0, 5.0
Weakness classification (CWE)
Public proof-of-concept exploits
References
- cve@mitre.org (x_refsource_REDHAT, vendor-advisory, Third Party Advisory, Broken Link)
- cve@mitre.org (x_refsource_REDHAT, vendor-advisory, Third Party Advisory)
- cve@mitre.org (mailing-list, x_refsource_BUGTRAQ, VDB Entry, Third Party Advisory, Broken Link)
- cve@mitre.org (x_refsource_SECUNIA, Broken Link, Vendor Advisory, third-party-advisory)
- cve@mitre.org (VDB Entry, Third Party Advisory, vdb-entry, x_refsource_SECTRACK, Broken Link)
- cve@mitre.org (x_refsource_SECUNIA, Broken Link, Vendor Advisory, third-party-advisory)
- cve@mitre.org (vendor-advisory, Mailing List, Third Party Advisory, x_refsource_SUSE)
- cve@mitre.org (Broken Link, signature, x_refsource_OVAL, Third Party Advisory, vdb-entry)
- cve@mitre.org (x_refsource_SECUNIA, Broken Link, Vendor Advisory, third-party-advisory)
- cve@mitre.org (x_refsource_SECUNIA, 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.