Access of Uninitialized Pointer in FreeBSD - #VU46228
Published: September 3, 2020
Vulnerability identifier: #VU46228
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: N/A
CWE-ID: CWE-824
Exploitation vector: Local access
Exploit availability:
No public exploit available
Vulnerability details
The vulnerability allows a local user to perform a denial of service (DoS) attack.
The
vulnerability exists due to an error in internal interface used by
getfsstat(2) compatibility system. A local unprivileged user can run a program that calls getfsstat(2) with an invalid argument, which causes getfsstat(2) to free an uninitialized pointer and results in kernel panic.
Affected software
FreeBSD
Remediation
Install updates from vendor's website.