Arm Trusted Firmware Out-of-Bounds Write Vulnerability
In Arm Trusted Firmware M through 1.2, the NS world may trigger a system halt, an overwrite of secure data, or the printing out of secure data when calling secure functions under the NSPE handler mode.
Severity = CVSS. Probability = EPSS (FIRST). Exploitation = public signals: KEV, EUVD, ransomware, EPSS above 10 %, no account required.
Exploitation probability EPSS · FIRST
Exploitation signals 2 / 5
- KEV catalog (CISA)03 Nov 2021
- Exploited in EUVD (ENISA)03 Nov 2021
- Used by ransomwareno
- EPSS above 10 %3.1%
- No account, over the networkno
What to do
Fix
Apply the vendor’s fix as soon as it is available.
CISA guidance: Apply updates per vendor instructions.
Meanwhile
Take the service off the internet or restrict access to it, watch the logs and look for signs of compromise.
Manufacturers (CRA)
Exploited vulnerability in your product: early warning to ENISA within 24 h, then notification within 72 h (Article 14 of the Cyber Resilience Act). The CRA explained
Affected products
Open source packages OSV
Affected libraries according to OSV, with fixed versions.
Timeline
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Published
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Exploitation reported (ENISA)
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Added to the KEV catalog
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CISA remediation due date
References
Other exploited vulnerabilities from the same vendor
- CVE-2024-4610Arm Mali GPU Kernel Driver Use-After-Free Vulnerability4.2 · Background exploitation
- CVE-2023-4211Arm Mali GPU Kernel Driver Use-After-Free Vulnerability3.4 · Background exploitation
- CVE-2021-29256Arm Mali GPU Kernel Driver Use-After-Free Vulnerability4.8 · Background exploitation
- CVE-2023-26083Arm Mali GPU Kernel Driver Information Disclosure Vulnerability2.6 · Background exploitation
- CVE-2022-38181Arm Mali GPU Kernel Driver Use-After-Free Vulnerability5.9 · Background exploitation
- CVE-2022-22706Arm Mali GPU Kernel Driver Unspecified Vulnerability4.4 · Background exploitation