Vulnerability 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.
CVSS Score
MEDIUM
Affected Products
| Vendor | Product | Versions |
|---|---|---|
| Linux | Linux Kernel | <= 3.3.1 |
Related Weaknesses (CWE)
References
- http://git.kernel.org/?p=linux/kernel/git/torvalds/linux-2.6.git%3Ba=commit%3Bh=
- http://rhn.redhat.com/errata/RHSA-2012-1064.html
- http://secunia.com/advisories/50633
- http://secunia.com/advisories/50853
- http://secunia.com/advisories/50961
- http://www.kernel.org/pub/linux/kernel/v3.x/ChangeLog-3.3.2
- http://www.securityfocus.com/bid/54365
- http://www.securitytracker.com/id?1027236
- http://www.ubuntu.com/usn/USN-1567-1
- http://www.ubuntu.com/usn/USN-1597-1
- http://www.ubuntu.com/usn/USN-1606-1
- https://bugzilla.redhat.com/show_bug.cgi?id=833428
- https://github.com/torvalds/linux/commit/79549c6dfda0603dba9a70a53467ce62d9335c3Patch
- http://git.kernel.org/?p=linux/kernel/git/torvalds/linux-2.6.git%3Ba=commit%3Bh=
- http://rhn.redhat.com/errata/RHSA-2012-1064.html
FAQ
What is CVE-2012-2745?
CVE-2012-2745 is a vulnerability with a CVSS score of 4.7 (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 (pan...
How severe is CVE-2012-2745?
CVE-2012-2745 has been rated MEDIUM with a CVSS base score of 4.7/10. Review the CVSS metrics above for detailed severity breakdown.
Is there a patch for CVE-2012-2745?
Check the references section above for vendor advisories and patch information. Affected products include: Linux Linux Kernel.