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."
ProviderTypeBase ScoreAtk. VectorAtk. ComplexityPriv. RequiredVector
NISTNIST
5.5 MEDIUM
LOCAL
LOW
LOW
CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H
mitreCNA
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CVEADP
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Base Score
CVSS 3.x
EPSS Score
Percentile: 22%
VendorProductVersion
linuxlinux_kernel
𝑥
< 2.6.29.1
𝑥
= Vulnerable software versions
Ubuntu logo
Ubuntu Releases
Ubuntu Product
Codename
linux
jaunty
not-affected
intrepid
not-affected
hardy
not-affected
gutsy
dne
dapper
dne
linux-source-2.6.15
jaunty
dne
intrepid
dne
hardy
dne
gutsy
dne
dapper
not-affected
linux-source-2.6.22
jaunty
dne
intrepid
dne
hardy
dne
gutsy
ignored
dapper
dne
Common Weakness Enumeration
References
http://git.kernel.org/?p=linux/kernel/git/torvalds/linux-2.6.git%3Ba=commit%3Bh=30842f2989aacfaba3ccb39829b3417be9313dbe
http://openwall.com/lists/oss-security/2009/04/01/4
http://secunia.com/advisories/34478
http://vigilance.fr/vulnerability/Linux-kernel-denial-of-service-via-proc-net-udp-8586
http://www.kernel.org/pub/linux/kernel/v2.6/ChangeLog-2.6.29.1
http://www.securityfocus.com/bid/34329
http://www.vupen.com/english/advisories/2009/0924
https://exchange.xforce.ibmcloud.com/vulnerabilities/49595
http://git.kernel.org/?p=linux/kernel/git/torvalds/linux-2.6.git%3Ba=commit%3Bh=30842f2989aacfaba3ccb39829b3417be9313dbe
http://openwall.com/lists/oss-security/2009/04/01/4
http://secunia.com/advisories/34478
http://vigilance.fr/vulnerability/Linux-kernel-denial-of-service-via-proc-net-udp-8586
http://www.kernel.org/pub/linux/kernel/v2.6/ChangeLog-2.6.29.1
http://www.securityfocus.com/bid/34329
http://www.vupen.com/english/advisories/2009/0924
https://exchange.xforce.ibmcloud.com/vulnerabilities/49595