Incorrect default permissions in kexec-tools - CVE-2021-20269
Published: June 16, 2023
Vulnerability identifier: #VU77475
CSH Severity: Low
CVSS v4.0: CVSS:4.0/AV:L/AC:L/AT:N/PR:L/UI:N/VC:H/VI:N/VA:N/SC:N/SI:N/SA:N/E:U/U:Clear
CVE-ID: CVE-2021-20269
CWE-ID: CWE-276
Exploitation vector: Local access
Exploit availability:
No public exploit available
Vendor: git.kernel.org
Affected software:
kexec-tools
kexec-tools
Detailed vulnerability description
The vulnerability allows a local user to gain access to sensitive information.
The vulnerability exists due to incorrect default permissions for files and folders that are set by the application. A local user can read arbitrary files and leak kernel internal information from a previous panic.
How to mitigate CVE-2021-20269
Install updates from vendor's website.