Risk | Low |
Patch available | YES |
Number of vulnerabilities | 1 |
CVE-ID | CVE-2022-23960 |
CWE-ID | CWE-1037 |
Exploitation vector | Local |
Public exploit | N/A |
Vulnerable software Subscribe |
Trusted Firmware-A Hardware solutions / Firmware |
Vendor | Linaro Limited |
Security Bulletin
This security bulletin contains one low risk vulnerability.
EUVDB-ID: #VU65007
Risk: Low
CVSSv3.1: 5.7 [CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:C/C:H/I:N/A:N/E:U/RL:O/RC:C]
CVE-ID: CVE-2022-23960
CWE-ID:
CWE-1037 - Processor optimization removal or modification of security-critical code
Exploit availability: No
DescriptionThe vulnerability allows a local user to obtain potentially sensitive information.
The vulnerability exists due to improper restrictions of cache speculation. A local user can leverage the shared branch history in the Branch History Buffer (BHB) to influence mispredicted branches and gain access to sensitive information.
The vulnerability was dubbed Spectre-BHB.
MitigationInstall update from vendor's website.
Vulnerable software versionsTrusted Firmware-A: 0.2 - 2.6 rc1
External linkshttp://trustedfirmware-a.readthedocs.io/en/latest/security_advisories/security-advisory-tfv-9.html
Q & A
Can this vulnerability be exploited remotely?
No. This vulnerability can be exploited locally. The attacker should have authentication credentials and successfully authenticate on the system.
Is there known malware, which exploits this vulnerability?
No. We are not aware of malware exploiting this vulnerability.