Buffer overflow in Linux kernel - CVE-2009-1192
Published: April 24, 2009 / Updated: February 13, 2023
Vulnerability identifier: #VU93807
CSH Severity: Low
CVSS v4.0: CVSS:4.0/AV:L/AC:L/AT:N/PR:L/UI:N/VC:H/VI:N/VA:N/SC:N/SI:N/SA:N/E:U/U:Clear
CVE-ID: CVE-2009-1192
CWE-ID: CWE-119
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 gain access to sensitive information.
The (1) agp_generic_alloc_page and (2) agp_generic_alloc_pages functions in drivers/char/agp/generic.c in the agp subsystem in the Linux kernel before 2.6.30-rc3 do not 0 out pages that may later be available to a user-space process, which allows local users to obtain sensitive information by reading these pages.
How to mitigate CVE-2009-1192
Install update from vendor's website.
Sources
- http://www.securityfocus.com/bid/34673
- https://bugzilla.redhat.com/show_bug.cgi?id=497020
- http://www.kernel.org/pub/linux/kernel/v2.6/testing/ChangeLog-2.6.30-rc3
- http://openwall.com/lists/oss-security/2009/04/22/2
- http://secunia.com/advisories/34981
- http://secunia.com/advisories/35011
- http://secunia.com/advisories/35121
- http://www.mandriva.com/security/advisories?name=MDVSA-2009:119
- http://wiki.rpath.com/Advisories:rPSA-2009-0084
- http://secunia.com/advisories/35120
- http://www.redhat.com/support/errata/RHSA-2009-1081.html
- http://lists.opensuse.org/opensuse-security-announce/2009-06/msg00002.html
- http://www.mandriva.com/security/advisories?name=MDVSA-2009:135
- http://secunia.com/advisories/35387
- http://lists.opensuse.org/opensuse-security-announce/2009-11/msg00005.html
- http://lists.opensuse.org/opensuse-security-announce/2009-11/msg00007.html
- http://secunia.com/advisories/37351
- http://www.vmware.com/security/advisories/VMSA-2009-0016.html
- http://www.vupen.com/english/advisories/2009/3316
- http://secunia.com/advisories/37471
- http://www.ubuntu.com/usn/usn-793-1
- http://secunia.com/advisories/35656
- http://secunia.com/advisories/35343
- http://www.debian.org/security/2009/dsa-1787
- http://www.debian.org/security/2009/dsa-1794
- http://www.debian.org/security/2009/dsa-1800
- https://oval.cisecurity.org/repository/search/definition/oval%3Aorg.mitre.oval%3Adef%3A8003
- https://oval.cisecurity.org/repository/search/definition/oval%3Aorg.mitre.oval%3Adef%3A10567
- http://www.securityfocus.com/archive/1/507985/100/0/threaded
- http://www.securityfocus.com/archive/1/503610/100/0/threaded
- http://git.kernel.org/?p=linux/kernel/git/torvalds/linux-2.6.git%3Ba=commit%3Bh=59de2bebabc5027f93df999d59cc65df591c3e6e