CVE-2009-1243
MEDIUMLinux Kernel < 2.6.29.1 - Denial of Service via /proc/net/udp Read
Title source: llmDescription
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."
References (8)
Core 8
Core References
Broken Link x_refsource_confirm
http://www.kernel.org/pub/linux/kernel/v2.6/ChangeLog-2.6.29.1
Broken Link, Third Party Advisory third-party-advisory
x_refsource_secunia
http://secunia.com/advisories/34478
Mailing List, Patch, Third Party Advisory mailing-list
x_refsource_mlist
http://openwall.com/lists/oss-security/2009/04/01/4
Broken Link, Patch, Third Party Advisory, VDB Entry vdb-entry
x_refsource_bid
http://www.securityfocus.com/bid/34329
Third Party Advisory, VDB Entry vdb-entry
x_refsource_xf
https://exchange.xforce.ibmcloud.com/vulnerabilities/49595
Broken Link x_refsource_confirm
http://git.kernel.org/?p=linux/kernel/git/torvalds/linux-2.6.git%3Ba=commit%3Bh=30842f2989aacfaba3ccb39829b3417be9313dbe
Patch, Third Party Advisory x_refsource_misc
http://vigilance.fr/vulnerability/Linux-kernel-denial-of-service-via-proc-net-udp-8586
Broken Link, Third Party Advisory vdb-entry
x_refsource_vupen
http://www.vupen.com/english/advisories/2009/0924
Scores
CVSS v3
5.5
EPSS
0.0027
EPSS Percentile
18.1%
Attack Vector
LOCAL
CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H
Details
CWE
CWE-667
Status
published
Products (1)
linux/linux_kernel
< 2.6.29.1
Published
Apr 06, 2009
Tracked Since
Feb 18, 2026