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Vigil@nce: Linux kernel, denial of service via e1000e

January 2010 by Vigil@nce

An attacker can send a long packet in order to stop systems with the e1000e driver.

- Severity: 2/4
- Consequences: user access/rights, denial of service of computer
- Provenance: LAN
- Means of attack: no proof of concept, no attack
- Ability of attacker: expert (4/4)
- Confidence: confirmed by the editor (5/5)
- Diffusion of the vulnerable configuration: high (3/3)
- Creation date: 30/12/2009

IMPACTED PRODUCTS

- Linux kernel

DESCRIPTION OF THE VULNERABILITY

The e1000e driver implements the support of Intel PRO/1000 network adapters. These adapters can receive Ethernet frames with a size of 16383 bytes (jumbo frames).

However, if the e1000e driver receives more than 16383 fragmented bytes, a memory corruption occurs.

An attacker located on a network supporting jumbo frames can therefore send a long frame in order to generate a denial of service, and eventually to execute code.

CHARACTERISTICS

- Identifiers: 551214, BID-37523, CVE-2009-4538, VIGILANCE-VUL-9320
- Url: http://vigilance.fr/vulnerability/L...




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