A vulnerability was found in Linux Kernel up to 2.6.23 (Operating System) and classified as critical. This issue affects an unknown part. The manipulation with an unknown input leads to a memory corruption vulnerability. Using CWE to declare the problem leads to CWE-119. The product performs operations on a memory buffer, but it can read from or write to a memory location that is outside of the intended boundary of the buffer. Impacted is confidentiality, integrity, and availability. The summary by CVE is:

** REJECT ** Buffer overflow in the (1) sysfs_show_available_clocksources and (2) sysfs_show_current_clocksources functions in Linux kernel 2.6.23 and earlier might allow local users to cause a denial of service or execute arbitrary code via crafted clock source names. NOTE: follow-on analysis by Linux developers states that "There is no way for unprivileged users (or really even the root user) to add new clocksources."

The weakness was presented 11/09/2007 (Website). It is possible to read the advisory at marc.info. The identification of this vulnerability is CVE-2007-5908 since 11/09/2007. Attacking locally is a requirement. The technical details are unknown and an exploit is not publicly available.

There is no information about possible countermeasures known. It may be suggested to replace the affected object with an alternative product.

Productinfo

Type

• Operating System

Vendor

• Linux

Name

• Kernel

Version

• 2.6.0
• 2.6.1
• 2.6.2
• 2.6.3
• 2.6.4
• 2.6.5
• 2.6.6
• 2.6.7
• 2.6.8
• 2.6.9
• 2.6.10
• 2.6.11
• 2.6.12
• 2.6.13
• 2.6.14
• 2.6.15
• 2.6.16
• 2.6.17
• 2.6.18
• 2.6.19
• 2.6.20
• 2.6.21
• 2.6.22
• 2.6.23

License

• open-source

CPE 2.3info

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CPE 2.2info

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