Denial of service in Linux kernel - CVE-2017-7618

 

Denial of service in Linux kernel - CVE-2017-7618

Published: August 2, 2017


Vulnerability identifier: #VU7665
CSH Severity: Low
CVSS v4.0: CVSS:4.0/AV:L/AC:L/AT:N/PR:N/UI:N/VC:N/VI:N/VA:H/SC:N/SI:N/SA:N/E:U/U:Clear
CVE-ID: CVE-2017-7618
CWE-ID: CWE-264
Exploitation vector: Local access
Exploit availability: No public exploit available
Vendor: Linux Foundation
Affected software:
Linux kernel

Detailed vulnerability description

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

The weakness exists due to an API operation calling its own callback flaw in crypto/ahash.c. A local attacker can trigger EBUSY on a full queue and cause an infinite recursion on the system.

Successful exploitation of the vulnerability results in denial of service.

How to mitigate CVE-2017-7618

Update to version 4.10.10 or later.

Sources