Input validation error in Linux kernel - CVE-2009-0834
Published: March 6, 2009 / Updated: August 26, 2020
Vulnerability identifier: #VU94171
CSH Severity: Low
CVSS v4.0: CVSS:4.0/AV:L/AC:L/AT:N/PR:L/UI:N/VC:L/VI:L/VA:N/SC:N/SI:N/SA:N/E:U/U:Clear
CVE-ID: CVE-2009-0834
CWE-ID: CWE-20
Exploitation vector: Local access
Exploit availability:
No public exploit available
Vendor: Linux Foundation
Affected software:
Linux kernel
Linux kernel
Detailed vulnerability description
The vulnerability allows a local user to read and manipulate data.
The vulnerability exists due to improper input validation within the send_sigtrap() function in arch/x86/kernel/ptrace.c. A local user can read and manipulate data.
How to mitigate CVE-2009-0834
Install update from vendor's website.
Sources
- http://git.kernel.org/?p=linux/kernel/git/torvalds/linux-2.6.git;a=commit;h=ccbe495caa5e604b04d5a31d7459a6f6a76a756c
- http://lists.opensuse.org/opensuse-security-announce/2009-05/msg00002.html
- http://lists.opensuse.org/opensuse-security-announce/2009-06/msg00000.html
- http://lists.opensuse.org/opensuse-security-announce/2009-06/msg00001.html
- http://marc.info/?l=linux-kernel&m=123579056530191&w=2
- http://marc.info/?l=linux-kernel&m=123579065130246&w=2
- http://marc.info/?l=oss-security&m=123597642832637&w=2
- http://rhn.redhat.com/errata/RHSA-2009-0459.html
- http://rhn.redhat.com/errata/RHSA-2009-0473.html
- http://scary.beasts.org/security/CESA-2009-001.html
- http://secunia.com/advisories/34084
- http://secunia.com/advisories/34917
- http://secunia.com/advisories/34962
- http://secunia.com/advisories/34981
- http://secunia.com/advisories/35011
- http://secunia.com/advisories/35015
- http://secunia.com/advisories/35120
- http://secunia.com/advisories/35121
- http://secunia.com/advisories/35185
- http://secunia.com/advisories/35390
- http://secunia.com/advisories/35394
- http://secunia.com/advisories/37471
- http://wiki.rpath.com/Advisories:rPSA-2009-0084
- http://www.debian.org/security/2009/dsa-1787
- http://www.debian.org/security/2009/dsa-1794
- http://www.debian.org/security/2009/dsa-1800
- http://www.mandriva.com/security/advisories?name=MDVSA-2009:118
- http://www.redhat.com/support/errata/RHSA-2009-0451.html
- http://www.securityfocus.com/archive/1/503610/100/0/threaded
- http://www.securityfocus.com/archive/1/507985/100/0/threaded
- http://www.securityfocus.com/bid/33951
- http://www.securitytracker.com/id?1022153
- http://www.ubuntu.com/usn/usn-751-1
- http://www.vmware.com/security/advisories/VMSA-2009-0016.html
- http://www.vupen.com/english/advisories/2009/3316
- https://bugzilla.redhat.com/show_bug.cgi?id=487990
- https://exchange.xforce.ibmcloud.com/vulnerabilities/49061
- https://oval.cisecurity.org/repository/search/definition/oval%3Aorg.mitre.oval%3Adef%3A8508
- https://oval.cisecurity.org/repository/search/definition/oval%3Aorg.mitre.oval%3Adef%3A9600