CVE-2011-2695
kernel: ext4: kernel panic when writing data to the last block of sparse file
Severity Score
5.5
*CVSS v3
Exploit Likelihood
*EPSS
Affected Versions
*CPE
Public Exploits
1
*Multiple Sources
Exploited in Wild
-
*KEV
Decision
-
*SSVC
Descriptions
Multiple off-by-one errors in the ext4 subsystem in the Linux kernel before 3.0-rc5 allow local users to cause a denial of service (BUG_ON and system crash) by accessing a sparse file in extent format with a write operation involving a block number corresponding to the largest possible 32-bit unsigned integer.
Múltiples errores off-by-one en el subsistema de ext4 en el kernel de Linux antes de v3.0-rc5, permite a usuarios locales provocar una denegación de servicio (BUG_ON y caída del sistema) por acceder a un archivo disperso en el formato de medida con una operación de escritura con un número de bloque correspondiente al mayor número posible de un entero de 32 bits sin signo.
*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
* Common Vulnerability Scoring System
SSVC
- Decision:-
Exploitation
Automatable
Tech. Impact
* Organization's Worst-case Scenario
Timeline
- 2011-07-11 CVE Reserved
- 2011-07-28 CVE Published
- 2023-03-08 EPSS Updated
- 2024-08-06 CVE Updated
- 2024-08-06 First Exploit
- ---------- Exploited in Wild
- ---------- KEV Due Date
CWE
- CWE-193: Off-by-one Error
CAPEC
References (8)
| URL | Tag | Source |
|---|---|---|
| http://git.kernel.org/?p=linux/kernel/git/torvalds/linux-2.6.git%3Ba=commit%3Bh=f17722f917b2f21497deb6edc62fb1683daa08e6 | X_refsource_confirm | |
| http://secunia.com/advisories/45193 | Third Party Advisory | |
| http://www.kernel.org/pub/linux/kernel/v3.0/testing/ChangeLog-3.0-rc5 | Broken Link | |
| http://www.openwall.com/lists/oss-security/2011/07/15/7 | Mailing List |
|
| http://www.openwall.com/lists/oss-security/2011/07/15/8 | Mailing List |
|
| URL | Date | SRC |
|---|---|---|
| http://www.spinics.net/lists/linux-ext4/msg25697.html | 2024-08-06 |
| URL | Date | SRC |
|---|---|---|
| https://bugzilla.redhat.com/show_bug.cgi?id=722557 | 2011-10-20 |
| URL | Date | SRC |
|---|---|---|
| https://access.redhat.com/security/cve/CVE-2011-2695 | 2011-10-20 |
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" | < 3.0 Search vendor "Linux" for product "Linux Kernel" and version " < 3.0" | - |
Affected
| ||||||
| Linux Search vendor "Linux" | Linux Kernel Search vendor "Linux" for product "Linux Kernel" | 3.0 Search vendor "Linux" for product "Linux Kernel" and version "3.0" | - |
Affected
| ||||||
| Linux Search vendor "Linux" | Linux Kernel Search vendor "Linux" for product "Linux Kernel" | 3.0 Search vendor "Linux" for product "Linux Kernel" and version "3.0" | rc1 |
Affected
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| Linux Search vendor "Linux" | Linux Kernel Search vendor "Linux" for product "Linux Kernel" | 3.0 Search vendor "Linux" for product "Linux Kernel" and version "3.0" | rc2 |
Affected
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| Linux Search vendor "Linux" | Linux Kernel Search vendor "Linux" for product "Linux Kernel" | 3.0 Search vendor "Linux" for product "Linux Kernel" and version "3.0" | rc3 |
Affected
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| Linux Search vendor "Linux" | Linux Kernel Search vendor "Linux" for product "Linux Kernel" | 3.0 Search vendor "Linux" for product "Linux Kernel" and version "3.0" | rc4 |
Affected
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