VULNERABILITY INTELLIGENCE
CVE-2009-1243
CVSS score5.5 MEDIUM
EPSS probability0.27%
CISA KEVNot currently listed
Published2009-04-06
Last modified2026-06-16
CVSS vectorCVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H
Description
net/ipv4/udp.c in the Linux kernel before 2.6.29.1 performs an unlocking step in certain incorrect circumstances, which allows local users to cause a denial of service (panic) by reading zero bytes from the /proc/net/udp file and unspecified other files, related to the "udp seq_file infrastructure."
Weakness classification
- CWE-667: Improper Locking
Primary references
- cve@mitre.org — Broken Link
- cve@mitre.org — Mailing List, Patch, Third Party Advisory
- cve@mitre.org — Broken Link, Third Party Advisory
- cve@mitre.org — Patch, Third Party Advisory
- cve@mitre.org — Broken Link
- cve@mitre.org — Broken Link, Patch, Third Party Advisory, VDB Entry
- cve@mitre.org — Broken Link, Third Party Advisory
- cve@mitre.org — Third Party Advisory, VDB Entry
- af854a3a-2127-422b-91ae-364da2661108 — Broken Link
- af854a3a-2127-422b-91ae-364da2661108 — Mailing List, Patch, Third Party Advisory
- af854a3a-2127-422b-91ae-364da2661108 — Broken Link, Third Party Advisory
- af854a3a-2127-422b-91ae-364da2661108 — Patch, Third Party Advisory