What is CVE-2012-2745?

CVE-2012-2745 is a Medium severity Linux kernel vulnerability with a CVSS score of 4.7 out of 10, classified as a Buffer Overflow flaw (CWE-119). CVE-2012-2745 has not been confirmed as actively exploited and is not listed in the CISA KEV catalog.

What is the CVSS score for CVE-2012-2745?

CVE-2012-2745 has a CVSS score of 4.7 out of 10, rated Medium severity. The vector string is AV:L/AC:M/Au:N/C:N/I:N/A:C.

Is there a patch available for CVE-2012-2745?

No patch is currently available for CVE-2012-2745. Monitor the NIST NVD and your Linux distribution's security advisories for updates.

Is CVE-2012-2745 actively exploited?

CVE-2012-2745 has not been confirmed as actively exploited and is not listed in the CISA KEV catalog.

What is Buffer Overflow (CWE-119)?

The product performs operations on a memory buffer but reads or writes outside its intended boundaries. See MITRE CWE for full details: https://cwe.mitre.org/data/definitions/119.html

CVE-2012-2745

Medium

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.

Package Linux Kernel

Published 2012-08-09

Last modified 2026-04-29

CVSS version 2.0

Patch available

Awaiting data

CVSS 2.0 score

4.7

out of 10

Medium

Attack Vector

Local

Attack Complexity

Privileges Required

User Interaction

Scope

Confidentiality

None

Integrity

None

Availability

Vector string

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

Weakness type

CWE-119

CVE-2012-2745 is a Buffer Overflow vulnerability

What is Buffer Overflow?

The product performs operations on a memory buffer but reads or writes outside its intended boundaries. Learn more on MITRE CWE

References

The following references provide additional information about CVE-2012-2745 including vendor advisories, patch commits, exploit details, and third-party analysis. Links are sourced from the NIST NVD database.

Red Hat
http://rhn.redhat.com/errata/RHSA-2012-1064.html
Secunia
http://secunia.com/advisories/50633
Secunia
http://secunia.com/advisories/50853
Secunia
http://secunia.com/advisories/50961
Kernel.org
http://www.kernel.org/pub/linux/kernel/v3.x/ChangeLog-3.3.2
Securityfocus
http://www.securityfocus.com/bid/54365
Securitytracker
http://www.securitytracker.com/id?1027236
Ubuntu Security
http://www.ubuntu.com/usn/USN-1567-1
Ubuntu Security
http://www.ubuntu.com/usn/USN-1597-1
Ubuntu Security
http://www.ubuntu.com/usn/USN-1606-1
Red Hat
https://bugzilla.redhat.com/show_bug.cgi?id=833428
Kernel patch commit
http://git.kernel.org/?p=linux/kernel/git/torvalds/linux-2.6.git%3Ba=commit%3Bh=79549c6dfda0603dba9a70a53467ce62d9335c33
Patch
Kernel patch commit
https://github.com/torvalds/linux/commit/79549c6dfda0603dba9a70a53467ce62d9335c33
Patch

Details

CVE ID CVE-2012-2745

Severity Medium

CVSS score 4.7 / 10

CVSS version 2.0

Published 2012-08-09

Modified 2026-04-29

KEV No

Patch Awaiting data

Package linux

Frequently asked questions

What is CVE-2012-2745?

CVE-2012-2745 is a Medium severity Linux kernel vulnerability with a CVSS score of 4.7 out of 10 , classified as a Buffer Overflow flaw (CWE-119) . CVE-2012-2745 has not been confirmed as actively exploited and is not listed in the CISA KEV catalog.
What is the CVSS score for CVE-2012-2745?

CVE-2012-2745 has a CVSS score of 4.7 out of 10, rated Medium severity (CVSS 2.0). The vector string is AV:L/AC:M/Au:N/C:N/I:N/A:C.
Is there a patch available for CVE-2012-2745?

No patch is currently available for CVE-2012-2745. Monitor the NIST NVD and your Linux distribution's security advisories for updates.
Is CVE-2012-2745 actively exploited?

No — CVE-2012-2745 has not been confirmed as actively exploited. It is not listed in the CISA Known Exploited Vulnerabilities (KEV) catalog.
What is Buffer Overflow (CWE-119)?

The product performs operations on a memory buffer but reads or writes outside its intended boundaries. View CWE-119 on MITRE CWE →