CVE-2011-4326
kernel: wrong headroom check in udp6_ufo_fragment()
Severity Score
7.1
*CVSS v2
Exploit Likelihood
*EPSS
Affected Versions
*CPE
Public Exploits
1
*Multiple Sources
Exploited in Wild
-
*KEV
Decision
-
*SSVC
Descriptions
The udp6_ufo_fragment function in net/ipv6/udp.c in the Linux kernel before 2.6.39, when a certain UDP Fragmentation Offload (UFO) configuration is enabled, allows remote attackers to cause a denial of service (system crash) by sending fragmented IPv6 UDP packets to a bridge device.
La función udp6_ufo_fragment en net/ipv6/udp.c en el kernel de Linux antes de v2.6.39, cuando la opción de "UDP Fragmentation Offload" (UFO) está activada, permite a atacantes remotos causar una denegación de servicio (caída del sistema) mediante el envío de paquetes IPv6 UDP a un dispositivo de puente.
*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
- 2011-11-04 CVE Reserved
- 2011-11-23 CVE Published
- 2024-06-05 EPSS Updated
- 2024-08-07 CVE Updated
- 2024-08-07 First Exploit
- ---------- Exploited in Wild
- ---------- KEV Due Date
CWE
- CWE-119: Improper Restriction of Operations within the Bounds of a Memory Buffer
- CWE-399: Resource Management Errors
CAPEC
References (9)
| URL | Tag | Source |
|---|---|---|
| http://downloads.avaya.com/css/P8/documents/100156038 | Third Party Advisory | |
| http://ftp.osuosl.org/pub/linux/kernel/v2.6/ChangeLog-2.6.39 | Broken Link | |
| http://git.kernel.org/?p=linux/kernel/git/torvalds/linux-2.6.git%3Ba=commit%3Bh=a9cf73ea7ff78f52662c8658d93c226effbbedde | X_refsource_confirm | |
| http://www.openwall.com/lists/oss-security/2011/11/21/10 | Mailing List |
|
| http://www.securityfocus.com/bid/50751 | Third Party Advisory |
| URL | Date | SRC |
|---|---|---|
| https://bugzilla.redhat.com/show_bug.cgi?id=682066 | 2024-08-07 |
| URL | Date | SRC |
|---|---|---|
| https://github.com/torvalds/linux/commit/a9cf73ea7ff78f52662c8658d93c226effbbedde | 2023-02-13 |
| URL | Date | SRC |
|---|---|---|
| https://bugzilla.redhat.com/show_bug.cgi?id=755584 | 2012-01-10 | |
| https://access.redhat.com/security/cve/CVE-2011-4326 | 2012-01-10 |
Affected Vendors, Products, and Versions
| Vendor | Product | Version | Other | Status | ||||||
|---|---|---|---|---|---|---|---|---|---|---|
| Vendor | Product | Version | Other | Status | <-- --> | Vendor | Product | Version | Other | Status |
| Avaya Search vendor "Avaya" | 96x1 Ip Deskphone Firmware Search vendor "Avaya" for product "96x1 Ip Deskphone Firmware" | >= 6.0.0 <= 6.6.0 Search vendor "Avaya" for product "96x1 Ip Deskphone Firmware" and version " >= 6.0.0 <= 6.6.0" | - |
Affected
| in | Avaya Search vendor "Avaya" | 96x1 Ip Deskphone Search vendor "Avaya" for product "96x1 Ip Deskphone" | - | - |
Safe
|
| Linux Search vendor "Linux" | Linux Kernel Search vendor "Linux" for product "Linux Kernel" | < 2.6.39 Search vendor "Linux" for product "Linux Kernel" and version " < 2.6.39" | - |
Affected
| ||||||