Risk | Low |
Patch available | NO |
Number of vulnerabilities | 1 |
CVE-ID | CVE-2022-21505 |
CWE-ID | CWE-254 |
Exploitation vector | Local |
Public exploit | N/A |
Vulnerable software Subscribe |
Linux kernel Operating systems & Components / Operating system |
Vendor | Linux Foundation |
Security Bulletin
This security bulletin contains one low risk vulnerability.
EUVDB-ID: #VU66592
Risk: Low
CVSSv3.1: 6.2 [CVSS:3.1/AV:P/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H/E:U/RL:U/RC:C]
CVE-ID: CVE-2022-21505
CWE-ID:
CWE-254 - Security Features
Exploit availability: No
DescriptionThe vulnerability allows an attacker to bypass implemented security restrictions.
The vulnerability exists due to incorrect implementation of the IMA lockdown feature. If IMA appraisal is used with the "ima_appraise=log" boot param, lockdown can be defeated with kexec on any machine with Secure Boot. An attacker with physical access to device can bypass Secure Boot mechanism.
Cybersecurity Help is currently unaware of any official solution to address this vulnerability.
Vulnerable software versionsLinux kernel: All versions
External linkshttp://bugzilla.suse.com/show_bug.cgi?id=1201458
Q & A
Can this vulnerability be exploited remotely?
No. The attacker should have physical access to the system in order to successfully exploit this vulnerability.
Is there known malware, which exploits this vulnerability?
No. We are not aware of malware exploiting this vulnerability.