Denial of service in Linux kernel - CVE-2017-7618
Published: August 2, 2017
Vulnerability identifier: #VU7665
CSH Severity: Low
CVSS v4: 6.9 [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]
CVE-ID: CVE-2017-7618
CWE-ID: CWE-264
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 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.
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.
Affected software
Linux kernel
SUSE Linux
Fedora
kernel
SUSE Linux
Fedora
kernel
How to mitigate CVE-2017-7618
Update to version 4.10.10 or later.
kernel - addressed in versions 4.10.10-100.fc24, 4.10.10-200.fc25