Medium severity5.5NVD Advisory· Published Apr 6, 2009· Updated Apr 23, 2026
CVE-2009-1243
CVE-2009-1243
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."
Affected products
1Patches
0No patches discovered yet.
Vulnerability mechanics
AI mechanics synthesis has not run for this CVE yet.
References
7- openwall.com/lists/oss-security/2009/04/01/4nvdMailing ListPatchThird Party Advisory
- vigilance.fr/vulnerability/Linux-kernel-denial-of-service-via-proc-net-udp-8586nvdPatchThird Party Advisory
- www.securityfocus.com/bid/34329nvdBroken LinkPatchThird Party AdvisoryVDB Entry
- secunia.com/advisories/34478nvdBroken LinkThird Party Advisory
- www.vupen.com/english/advisories/2009/0924nvdBroken LinkThird Party Advisory
- exchange.xforce.ibmcloud.com/vulnerabilities/49595nvdThird Party AdvisoryVDB Entry
- www.kernel.org/pub/linux/kernel/v2.6/ChangeLog-2.6.29.1nvdBroken Link
News mentions
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