CVE-2012-2745
Summary
| CVE | CVE-2012-2745 |
|---|---|
| State | PUBLISHED |
| Assigner | redhat |
| Source Priority | CVE Program / NVD first with legacy fallback |
| Published | 2012-08-09 10:29:47 UTC |
| Updated | 2026-04-29 01:13:23 UTC |
| 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. |
Risk And Classification
CVSS v2.0 Breakdown
Access Vector
LocalAccess Complexity
MediumAuthentication
NoneConfidentiality
NoneIntegrity
NoneAvailability
CompleteAV:L/AC:M/Au:N/C:N/I:N/A:C
NVD Known Affected Configurations (CPE 2.3)
| Type | Vendor | Product | Version | Update | Edition | Language |
|---|---|---|---|---|---|---|
| Operating System | Linux | Linux Kernel | 3.3 | All | All | All |
| Operating System | Linux | Linux Kernel | 3.3 | rc1 | All | All |
| Operating System | Linux | Linux Kernel | 3.3 | rc2 | All | All |
| Operating System | Linux | Linux Kernel | 3.3 | rc3 | All | All |
| Operating System | Linux | Linux Kernel | 3.3 | rc4 | All | All |
| Operating System | Linux | Linux Kernel | 3.3 | rc5 | All | All |
| Operating System | Linux | Linux Kernel | 3.3 | rc6 | All | All |
| Operating System | Linux | Linux Kernel | 3.3 | rc7 | All | All |
| Operating System | Linux | Linux Kernel | All | All | All | All |
Vendor Declared Affected Products
References
| Reference | Source | Link | Tags |
|---|---|---|---|
| www.kernel.org/pub/linux/kernel/v3.x/ChangeLog-3.3.2 | af854a3a-2127-422b-91ae-364da2661108 | www.kernel.org | |
| Security Advisory SA50633 - Ubuntu update for kernel - Secunia | af854a3a-2127-422b-91ae-364da2661108 | secunia.com | |
| Security Advisory SA50853 - Ubuntu update for kernel - Secunia | af854a3a-2127-422b-91ae-364da2661108 | secunia.com | |
| Red Hat Customer Portal | af854a3a-2127-422b-91ae-364da2661108 | rhn.redhat.com | |
| USN-1597-1: Linux kernel (EC2) vulnerability | Ubuntu | af854a3a-2127-422b-91ae-364da2661108 | www.ubuntu.com | |
| USN-1567-1: Linux kernel vulnerabilities | Ubuntu | af854a3a-2127-422b-91ae-364da2661108 | www.ubuntu.com | |
| USN-1606-1: Linux kernel vulnerabilities | Ubuntu | af854a3a-2127-422b-91ae-364da2661108 | www.ubuntu.com | |
| 833428 – (CVE-2012-2745) CVE-2012-2745 kernel: cred: copy_process() should clear child->replacement_session_keyring | af854a3a-2127-422b-91ae-364da2661108 | bugzilla.redhat.com | |
| Linux Kernel Session Keyring Bug in copy_creds() Lets Local Users Deny Service - SecurityTracker | af854a3a-2127-422b-91ae-364da2661108 | www.securitytracker.com | |
| Security Alerts - Secunia | af854a3a-2127-422b-91ae-364da2661108 | secunia.com | |
| cred: copy_process() should clear child->replacement_session_keyring · torvalds/linux@79549c6 · GitHub | af854a3a-2127-422b-91ae-364da2661108 | github.com | Patch |
| git.kernel.org | af854a3a-2127-422b-91ae-364da2661108 | git.kernel.org | |
| Linux Kernel Key Management CVE-2012-2745 Denial of Service Vulnerability | af854a3a-2127-422b-91ae-364da2661108 | www.securityfocus.com | |
| kernel/git/torvalds/linux.git - Linux kernel source tree | MITRE | git.kernel.org | |
| CVE Program record | CVE.ORG | www.cve.org | canonical |
| NVD vulnerability detail | NVD | nvd.nist.gov | canonical, analysis |
No vendor comments have been submitted for this CVE.
There are currently no legacy QID mappings associated with this CVE.