CVE-2009-1338
The kill_something_info function in kernel/signal.c in the Linux kernel before 2.6.28 does not consider PID namespaces when processing signals directed to PID -1, which allows local users to bypass the intended namespace isolation, and send arbitrary…
Does this matter?
Lower severity and a low EPSS score (0.39%). Track it; it rarely justifies an emergency change on its own.
Description
The kill_something_info function in kernel/signal.c in the Linux kernel before 2.6.28 does not consider PID namespaces when processing signals directed to PID -1, which allows local users to bypass the intended namespace isolation, and send arbitrary signals to all processes in all namespaces, via a kill command.
- CVSS 2.0
- 4.6 MEDIUMAV:L/AC:L/Au:N/C:P/I:P/A:P
- EPSS
- 0.39% probability · 33th percentile
- CISA KEV
- Not listed
- Weakness
- CWE-264
- 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=d25141a818383b3c3b09f065698c544a7a0ec6e7
- http://lkml.org/lkml/2008/7/23/148Patch
- http://secunia.com/advisories/34981
- http://secunia.com/advisories/35120
- http://secunia.com/advisories/35121
- http://secunia.com/advisories/35343
- http://secunia.com/advisories/35656
- http://wiki.rpath.com/Advisories:rPSA-2009-0084
- http://www.debian.org/security/2009/dsa-1787
- http://www.debian.org/security/2009/dsa-1800
- http://www.kernel.org/pub/linux/kernel/v2.6/ChangeLog-2.6.28Patch, Vendor Advisory
- http://www.openwall.com/lists/oss-security/2009/04/16/2
- http://www.openwall.com/lists/oss-security/2009/04/17/4
- http://www.openwall.com/lists/oss-security/2009/04/21/1
- http://www.redhat.com/support/errata/RHSA-2009-1081.html
- http://www.securityfocus.com/archive/1/503610/100/0/threaded
- http://www.ubuntu.com/usn/usn-793-1
- https://bugzilla.redhat.com/show_bug.cgi?id=496031Patch
- https://exchange.xforce.ibmcloud.com/vulnerabilities/50386
- http://git.kernel.org/?p=linux/kernel/git/torvalds/linux-2.6.git%3Ba=commit%3Bh=d25141a818383b3c3b09f065698c544a7a0ec6e7
- http://lkml.org/lkml/2008/7/23/148Patch
- http://secunia.com/advisories/34981
- http://secunia.com/advisories/35120
- http://secunia.com/advisories/35121
- http://secunia.com/advisories/35343
- http://secunia.com/advisories/35656
- http://wiki.rpath.com/Advisories:rPSA-2009-0084
- http://www.debian.org/security/2009/dsa-1787
- http://www.debian.org/security/2009/dsa-1800
- http://www.kernel.org/pub/linux/kernel/v2.6/ChangeLog-2.6.28Patch, Vendor Advisory
Source: NVD record, EPSS from FIRST.org, KEV from CISA. Refreshed daily.