CVE-2011-1021
Linux Kernel < 2.6.37-rc2 - 'ACPI custom_method' Local Privilege Escalation
Severity Score
7.8
*CVSS v3
Exploit Likelihood
*EPSS
Affected Versions
*CPE
Public Exploits
2
*Multiple Sources
Exploited in Wild
-
*KEV
Decision
-
*SSVC
Descriptions
drivers/acpi/debugfs.c in the Linux kernel before 3.0 allows local users to modify arbitrary kernel memory locations by leveraging root privileges to write to the /sys/kernel/debug/acpi/custom_method file. NOTE: this vulnerability exists because of an incomplete fix for CVE-2010-4347.
drivers/acpi/debugfs.c en el kernel de Linux antes de v3.0 permite a usuarios locales modificar posiciones de memoria del kernel de su elección aprovechandose de los privilegios de root para escribir en el archivo /sys/kernel/debug/acpi/custom_method. NOTA: esta vulnerabilidad existe debido a una solución incompleta para el CVE-2010-4347.
*Credits:
N/A
CVSS Scores
Attack Vector
Attack Complexity
Privileges Required
User Interaction
Scope
Confidentiality
Integrity
Availability
Attack Vector
Attack Complexity
Authentication
Confidentiality
Integrity
Availability
Attack Vector
Attack Complexity
Authentication
Confidentiality
Integrity
Availability
* Common Vulnerability Scoring System
SSVC
- Decision:-
Exploitation
Automatable
Tech. Impact
* Organization's Worst-case Scenario
Timeline
- 2010-12-18 First Exploit
- 2011-02-14 CVE Reserved
- 2012-06-21 CVE Published
- 2023-03-08 EPSS Updated
- 2024-08-06 CVE Updated
- ---------- Exploited in Wild
- ---------- KEV Due Date
CWE
- CWE-264: Permissions, Privileges, and Access Controls
CAPEC
References (7)
| URL | Tag | Source |
|---|---|---|
| http://ftp.osuosl.org/pub/linux/kernel/v3.0/ChangeLog-3.0 | X_refsource_confirm | |
| http://git.kernel.org/?p=linux/kernel/git/torvalds/linux-2.6.git%3Ba=commit%3Bh=526b4af47f44148c9d665e57723ed9f86634c6e3 | X_refsource_confirm | |
| http://www.openwall.com/lists/oss-security/2011/02/25/5 | Mailing List |
|
| URL | Date | SRC |
|---|---|---|
| https://www.exploit-db.com/exploits/15774 | 2010-12-18 | |
| https://github.com/torvalds/linux/commit/526b4af47f44148c9d665e57723ed9f86634c6e3 | 2024-08-06 |
| URL | Date | SRC |
|---|
| URL | Date | SRC |
|---|---|---|
| https://bugzilla.redhat.com/show_bug.cgi?id=680841 | 2011-09-12 | |
| https://access.redhat.com/security/cve/CVE-2011-1021 | 2011-09-12 |
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" | <= 2.6.9 Search vendor "Linux" for product "Linux Kernel" and version " <= 2.6.9" | - |
Affected
| ||||||
| Linux Search vendor "Linux" | Linux Kernel Search vendor "Linux" for product "Linux Kernel" | 2.6.9 Search vendor "Linux" for product "Linux Kernel" and version "2.6.9" | rc1 |
Affected
| ||||||
| Linux Search vendor "Linux" | Linux Kernel Search vendor "Linux" for product "Linux Kernel" | 2.6.9 Search vendor "Linux" for product "Linux Kernel" and version "2.6.9" | rc2 |
Affected
| ||||||
| Linux Search vendor "Linux" | Linux Kernel Search vendor "Linux" for product "Linux Kernel" | 2.6.9 Search vendor "Linux" for product "Linux Kernel" and version "2.6.9" | rc3 |
Affected
| ||||||
| Linux Search vendor "Linux" | Linux Kernel Search vendor "Linux" for product "Linux Kernel" | 2.6.9 Search vendor "Linux" for product "Linux Kernel" and version "2.6.9" | rc4 |
Affected
| ||||||