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…
Does this matter?
Lower severity and a low EPSS score (0.27%). Track it; it rarely justifies an emergency change on its own.
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."
- CVSS 3.1
- 5.5 MEDIUMCVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H
- EPSS
- 0.27% probability · 19th percentile
- CISA KEV
- Not listed
- Weakness
- CWE-667
- Affected
- linux/linux kernel
- Source
- cve@mitre.org
References
- http://git.kernel.org/?p=linux/kernel/git/torvalds/linux-2.6.git%3Ba=commit%3Bh=30842f2989aacfaba3ccb39829b3417be9313dbeBroken Link
- http://openwall.com/lists/oss-security/2009/04/01/4Mailing List, Patch, Third Party Advisory
- http://secunia.com/advisories/34478Broken Link, Third Party Advisory
- http://vigilance.fr/vulnerability/Linux-kernel-denial-of-service-via-proc-net-udp-8586Patch, Third Party Advisory
- http://www.kernel.org/pub/linux/kernel/v2.6/ChangeLog-2.6.29.1Broken Link
- http://www.securityfocus.com/bid/34329Broken Link, Patch, Third Party Advisory, VDB Entry
- http://www.vupen.com/english/advisories/2009/0924Broken Link, Third Party Advisory
- https://exchange.xforce.ibmcloud.com/vulnerabilities/49595Third Party Advisory, VDB Entry
- http://git.kernel.org/?p=linux/kernel/git/torvalds/linux-2.6.git%3Ba=commit%3Bh=30842f2989aacfaba3ccb39829b3417be9313dbeBroken Link
- http://openwall.com/lists/oss-security/2009/04/01/4Mailing List, Patch, Third Party Advisory
- http://secunia.com/advisories/34478Broken Link, Third Party Advisory
- http://vigilance.fr/vulnerability/Linux-kernel-denial-of-service-via-proc-net-udp-8586Patch, Third Party Advisory
- http://www.kernel.org/pub/linux/kernel/v2.6/ChangeLog-2.6.29.1Broken Link
- http://www.securityfocus.com/bid/34329Broken Link, Patch, Third Party Advisory, VDB Entry
- http://www.vupen.com/english/advisories/2009/0924Broken Link, Third Party Advisory
- https://exchange.xforce.ibmcloud.com/vulnerabilities/49595Third Party Advisory, VDB Entry
Source: NVD record, EPSS from FIRST.org, KEV from CISA. Refreshed daily.