Vulnerability in Linux Kernel
CVE-2009-1243
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."
EPSS: 0.003 (18.7th percentile) — read the EPSS interpretation.
CVSS v3 metric
CVSS v3 base score 5.5 (Medium). Vector: CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H.
Affected products
- Linux Linux_kernel
- N/a — versions n/a
Weakness classification (CWE)
References
- cve@mitre.org (x_refsource_CONFIRM, Broken Link)
- cve@mitre.org (x_refsource_SECUNIA, Third Party Advisory, Broken Link, third-party-advisory)
- cve@mitre.org (mailing-list, x_refsource_MLIST, Patch, Mailing List, Third Party Advisory)
- cve@mitre.org (Patch, VDB Entry, Third Party Advisory, vdb-entry, Broken Link, x_refsource_BID)
- cve@mitre.org (VDB Entry, Third Party Advisory, vdb-entry, x_refsource_XF)
- cve@mitre.org (x_refsource_CONFIRM, Broken Link)
- cve@mitre.org (Patch, Third Party Advisory, x_refsource_MISC)
- cve@mitre.org (Third Party Advisory, vdb-entry, Broken Link, x_refsource_VUPEN)
Frequently asked questions
- What is CVE-2009-1243?
- CVE-2009-1243 is a medium-severity vulnerability in Linux Kernel, classified under Improper Locking. CVSS score: 5.5/10. Published 2009-04-06.
- How severe is CVE-2009-1243?
- Medium severity. CVSS v3 base score is 5.5 out of 10.