CVE-2012-2745

Published: Aug 9, 2012Modified: Apr 29, 2026

4.7

Vector

AV:L/AC:M/Au:N/C:N/I:N/A:C

Exploitability: 3.4 / Impact: 6.9

Source: NVD

Description

The copy_creds function in kernel/cred.c in the Linux kernel before 3.3.2 provides an invalid replacement session keyring to a child process, which allows local users to cause a denial of service (panic) via a crafted application that uses the fork system call.

Affected (9)

Products: Linux: Linux Kernel

1 product

Configuration A

9 vulnerable

Vulnerable Software	Affected Versions
Linux Linux Kernel	version ≤ 3.3.1
Linux Linux Kernel	Version 3.3
Linux Linux Kernel	Version 3.3 rc1
Linux Linux Kernel	Version 3.3 rc2
Linux Linux Kernel	Version 3.3 rc3
Linux Linux Kernel	Version 3.3 rc4
Linux Linux Kernel	Version 3.3 rc5
Linux Linux Kernel	Version 3.3 rc6
Linux Linux Kernel	Version 3.3 rc7

Related CWEs

Improper Restriction of Operations within the Bounds of a Memory Buffer

The product performs operations on a memory buffer, but it reads from or writes to a memory location outside the buffer's intended boundary. This may result in read or write operations on unexpected memory locations that could be linked to other variables, data structures, or internal program data.

References (26)

http://git.kernel.org/?p=linux/kernel/git/torvalds/linux-2.6.git%3Ba=commit%3Bh=79549c6dfda0603dba9a70a53467ce62d9335c33

Source: secalert@redhat.com

http://rhn.redhat.com/errata/RHSA-2012-1064.html

Source: secalert@redhat.com

http://secunia.com/advisories/50633

Source: secalert@redhat.com

http://secunia.com/advisories/50853

Source: secalert@redhat.com

http://secunia.com/advisories/50961

Source: secalert@redhat.com

http://www.kernel.org/pub/linux/kernel/v3.x/ChangeLog-3.3.2

Source: secalert@redhat.com

http://www.securityfocus.com/bid/54365

Source: secalert@redhat.com

http://www.securitytracker.com/id?1027236

Source: secalert@redhat.com

http://www.ubuntu.com/usn/USN-1567-1

Source: secalert@redhat.com

http://www.ubuntu.com/usn/USN-1597-1

Source: secalert@redhat.com

http://www.ubuntu.com/usn/USN-1606-1

Source: secalert@redhat.com

https://bugzilla.redhat.com/show_bug.cgi?id=833428

Source: secalert@redhat.com

https://github.com/torvalds/linux/commit/79549c6dfda0603dba9a70a53467ce62d9335c33

Source: secalert@redhat.com

Patch

http://git.kernel.org/?p=linux/kernel/git/torvalds/linux-2.6.git%3Ba=commit%3Bh=79549c6dfda0603dba9a70a53467ce62d9335c33

Source: af854a3a-2127-422b-91ae-364da2661108

http://rhn.redhat.com/errata/RHSA-2012-1064.html

Source: af854a3a-2127-422b-91ae-364da2661108

http://secunia.com/advisories/50633

Source: af854a3a-2127-422b-91ae-364da2661108

http://secunia.com/advisories/50853

Source: af854a3a-2127-422b-91ae-364da2661108

http://secunia.com/advisories/50961

Source: af854a3a-2127-422b-91ae-364da2661108

http://www.kernel.org/pub/linux/kernel/v3.x/ChangeLog-3.3.2

Source: af854a3a-2127-422b-91ae-364da2661108

http://www.securityfocus.com/bid/54365

Source: af854a3a-2127-422b-91ae-364da2661108

http://www.securitytracker.com/id?1027236

Source: af854a3a-2127-422b-91ae-364da2661108

http://www.ubuntu.com/usn/USN-1567-1

Source: af854a3a-2127-422b-91ae-364da2661108

http://www.ubuntu.com/usn/USN-1597-1

Source: af854a3a-2127-422b-91ae-364da2661108

http://www.ubuntu.com/usn/USN-1606-1

Source: af854a3a-2127-422b-91ae-364da2661108

https://bugzilla.redhat.com/show_bug.cgi?id=833428

Source: af854a3a-2127-422b-91ae-364da2661108

https://github.com/torvalds/linux/commit/79549c6dfda0603dba9a70a53467ce62d9335c33

Source: af854a3a-2127-422b-91ae-364da2661108

Patch

Timeline

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