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CVE-2009-1337

Date: April 22, 2009

The exit_notify function in kernel/exit.c in the Linux kernel before 2.6.30-rc1 does not restrict exit signals when the CAP_KILL capability is held, which allows local users to send an arbitrary signal to a process by running a program that modifies the exit_signal field and then uses an exec system call to launch a setuid application.

Language: C

Severity Score

4.9

Related Resources (53)

Url: http://secunia.com/advisories/35226

Url: http://www.debian.org/security/2009/dsa-1794

Url: http://www.redhat.com/support/errata/RHSA-2009-0451.html

Url: http://lists.opensuse.org/opensuse-security-announce/2009-06/msg00001.html

Url: http://www.redhat.com/support/errata/RHSA-2009-1077.html

Url: http://www.securitytracker.com/id?1022141

Url: https://www.redhat.com/archives/fedora-package-announce/2009-May/msg01126.html

Url: http://secunia.com/advisories/35185

Url: http://patchwork.kernel.org/patch/16544/

Url: https://rhn.redhat.com/errata/RHSA-2009-1550.html

Url: http://secunia.com/advisories/35387

Url: http://git.kernel.org/?p=linux/kernel/git/torvalds/linux-2.6.git%3Ba=commit%3Bh=432870dab85a2f69dc417022646cb9a70acf7f94

Url: http://lists.opensuse.org/opensuse-security-announce/2009-05/msg00002.html

Url: http://lists.opensuse.org/opensuse-security-announce/2009-06/msg00002.html

Url: http://marc.info/?l=linux-kernel&m=123560588713763&w=2

Url: http://secunia.com/advisories/35390

Url: https://access.redhat.com/security/cve/CVE-2009-1337

Url: http://secunia.com/advisories/35656

Url: http://www.debian.org/security/2009/dsa-1787

Url: https://oval.cisecurity.org/repository/search/definition/oval%3Aorg.mitre.oval%3Adef%3A8295

Url: http://www.vmware.com/security/advisories/VMSA-2009-0016.html

Url: http://secunia.com/advisories/35011

Url: http://secunia.com/advisories/35015

Url: http://www.kernel.org/pub/linux/kernel/v2.6/testing/ChangeLog-2.6.30-rc1

Url: http://www.redhat.com/support/errata/RHSA-2009-1024.html

Url: https://people.canonical.com/~ubuntu-security/cve/CVE-2009-1337

Url: http://wiki.rpath.com/Advisories:rPSA-2009-0084

Url: http://lists.opensuse.org/opensuse-security-announce/2009-06/msg00000.html

Url: http://www.mandriva.com/security/advisories?name=MDVSA-2009:135

Url: http://www.vupen.com/english/advisories/2009/3316

Url: http://www.securityfocus.com/archive/1/512019/100/0/threaded

Url: http://rhn.redhat.com/errata/RHSA-2009-0473.html

Url: http://secunia.com/advisories/35120

Url: http://secunia.com/advisories/35121

Url: https://nvd.nist.gov/vuln/detail/CVE-2009-1337

Url: http://secunia.com/advisories/35324

Url: http://www.securityfocus.com/archive/1/503610/100/0/threaded

Url: http://www.openwall.com/lists/oss-security/2009/04/07/1

Url: http://www.ubuntu.com/usn/usn-793-1

Url: https://oval.cisecurity.org/repository/search/definition/oval%3Aorg.mitre.oval%3Adef%3A10919

Url: http://secunia.com/advisories/37471

Url: https://oval.cisecurity.org/repository/search/definition/oval%3Aorg.mitre.oval%3Adef%3A11206

Url: http://www.securityfocus.com/bid/34405

Url: http://secunia.com/advisories/34917

Url: https://bugzilla.redhat.com/show_bug.cgi?id=493771

Url: http://www.debian.org/security/2009/dsa-1800

Url: http://secunia.com/advisories/35394

Url: http://www.securityfocus.com/archive/1/507985/100/0/threaded

Url: http://secunia.com/advisories/34981

Url: http://www.openwall.com/lists/oss-security/2009/04/17/3

Url: http://www.mandriva.com/security/advisories?name=MDVSA-2009:119

Url: http://secunia.com/advisories/35160

Url: https://www.mend.io/vulnerability-database/CVE-2009-1337

Severity Score

4.9

Weakness Type (CWE)

Permissions, Privileges, and Access Control

CWE-264

CVSS v3.1

Base Score:	4.9
Attack Vector (AV):	LOCAL
Attack Complexity (AC):	HIGH
Privileges Required (PR):	NONE
User Interaction (UI):	NONE
Scope (S):	UNCHANGED
Confidentiality (C):	LOW
Integrity (I):	LOW
Availability (A):	LOW

CVSS v2

Base Score:	4.4
Access Vector (AV):	LOCAL
Access Complexity (AC):	MEDIUM
Authentication (AU):	NONE
Confidentiality (C):	PARTIAL
Integrity (I):	PARTIAL
Availability (A):	PARTIAL
Additional information:

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