CVE-2012-2745
kernel: cred: copy_process() should clear child->replacement_session_keyring
Severity Score
4.7
*CVSS v2
Exploit Likelihood
*EPSS
Affected Versions
*CPE
Public Exploits
0
*Multiple Sources
Exploited in Wild
-
*KEV
Decision
-
*SSVC
Descriptions
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.
La función copy_creds en kernel/cred.c en el kernel de Linux anteriores a v3.3.2 ofrece un reemplazo invalido de claves de sesión a un proceso hijo, permitiendo a usuarios locales causar una denegación de servicio a través de una aplicación especialmente diseñada que utiliza la llamada al sistema fork
*Credits:
N/A
CVSS Scores
Attack Vector
Attack Complexity
Authentication
Confidentiality
Integrity
Availability
* Common Vulnerability Scoring System
SSVC
- Decision:-
Exploitation
Automatable
Tech. Impact
* Organization's Worst-case Scenario
Timeline
- 2012-05-14 CVE Reserved
- 2012-07-10 CVE Published
- 2023-03-08 EPSS Updated
- 2024-08-06 CVE Updated
- ---------- Exploited in Wild
- ---------- KEV Due Date
- ---------- First Exploit
CWE
- CWE-119: Improper Restriction of Operations within the Bounds of a Memory Buffer
CAPEC
References (14)
| URL | Tag | Source |
|---|---|---|
| http://git.kernel.org/?p=linux/kernel/git/torvalds/linux-2.6.git%3Ba=commit%3Bh=79549c6dfda0603dba9a70a53467ce62d9335c33 | X_refsource_confirm | |
| http://secunia.com/advisories/50633 | Third Party Advisory | |
| http://secunia.com/advisories/50853 | Third Party Advisory | |
| http://secunia.com/advisories/50961 | Third Party Advisory | |
| http://www.kernel.org/pub/linux/kernel/v3.x/ChangeLog-3.3.2 | X_refsource_confirm | |
| http://www.securityfocus.com/bid/54365 | Vdb Entry | |
| http://www.securitytracker.com/id?1027236 | Vdb Entry |
| URL | Date | SRC |
|---|
| URL | Date | SRC |
|---|---|---|
| https://github.com/torvalds/linux/commit/79549c6dfda0603dba9a70a53467ce62d9335c33 | 2023-02-13 |
| URL | Date | SRC |
|---|---|---|
| http://rhn.redhat.com/errata/RHSA-2012-1064.html | 2023-02-13 | |
| http://www.ubuntu.com/usn/USN-1567-1 | 2023-02-13 | |
| http://www.ubuntu.com/usn/USN-1597-1 | 2023-02-13 | |
| http://www.ubuntu.com/usn/USN-1606-1 | 2023-02-13 | |
| https://bugzilla.redhat.com/show_bug.cgi?id=833428 | 2012-07-10 | |
| https://access.redhat.com/security/cve/CVE-2012-2745 | 2012-07-10 |
Affected Vendors, Products, and Versions
| Vendor | Product | Version | Other | Status | ||||||
|---|---|---|---|---|---|---|---|---|---|---|
| Vendor | Product | Version | Other | Status | <-- --> | Vendor | Product | Version | Other | Status |
| Linux Search vendor "Linux" | Linux Kernel Search vendor "Linux" for product "Linux Kernel" | <= 3.3.1 Search vendor "Linux" for product "Linux Kernel" and version " <= 3.3.1" | - |
Affected
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| Linux Search vendor "Linux" | Linux Kernel Search vendor "Linux" for product "Linux Kernel" | 3.3 Search vendor "Linux" for product "Linux Kernel" and version "3.3" | - |
Affected
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| Linux Search vendor "Linux" | Linux Kernel Search vendor "Linux" for product "Linux Kernel" | 3.3 Search vendor "Linux" for product "Linux Kernel" and version "3.3" | rc1 |
Affected
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| Linux Search vendor "Linux" | Linux Kernel Search vendor "Linux" for product "Linux Kernel" | 3.3 Search vendor "Linux" for product "Linux Kernel" and version "3.3" | rc2 |
Affected
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| Linux Search vendor "Linux" | Linux Kernel Search vendor "Linux" for product "Linux Kernel" | 3.3 Search vendor "Linux" for product "Linux Kernel" and version "3.3" | rc3 |
Affected
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| Linux Search vendor "Linux" | Linux Kernel Search vendor "Linux" for product "Linux Kernel" | 3.3 Search vendor "Linux" for product "Linux Kernel" and version "3.3" | rc4 |
Affected
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| Linux Search vendor "Linux" | Linux Kernel Search vendor "Linux" for product "Linux Kernel" | 3.3 Search vendor "Linux" for product "Linux Kernel" and version "3.3" | rc5 |
Affected
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| Linux Search vendor "Linux" | Linux Kernel Search vendor "Linux" for product "Linux Kernel" | 3.3 Search vendor "Linux" for product "Linux Kernel" and version "3.3" | rc6 |
Affected
| ||||||
| Linux Search vendor "Linux" | Linux Kernel Search vendor "Linux" for product "Linux Kernel" | 3.3 Search vendor "Linux" for product "Linux Kernel" and version "3.3" | rc7 |
Affected
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