Denial of service in Linux kernel - CVE-2017-9242

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Main Vulnerability Database Vulnerabilities #VU7250

Denial of service in Linux kernel - CVE-2017-9242

Published: June 29, 2017 / Updated: July 3, 2017


Vulnerability identifier: #VU7250
CSH Severity: Low
CVSS v4: 6.8 [CVSS:4.0/AV:L/AC:L/AT:N/PR:L/UI:N/VC:N/VI:N/VA:H/SC:N/SI:N/SA:N]
CVE-ID: CVE-2017-9242
CWE-ID: CWE-20
Exploitation vector: Local access
Exploit availability: No public exploit available

Vulnerability details

The vulnerability allows a local attacker to cause DoS condition on the target system.

The weakness exists due to an error in the __ip6_append_data function when checking whether an overwrite of an skb data structure may occur. A local attacker can use specially crafted system calls and cause the system to crash.

Successful exploitation of the vulnerability results in denial of service.

Affected software

Linux kernel
SUSE Linux
Ubuntu

How to mitigate CVE-2017-9242

Update to version 4.11.3.


External References

Related Security Bulletins