SB2024122053 - openEuler 22.03 LTS SP4 update for arm-trusted-firmware

Description

This security bulletin contains information about 2 secuirty vulnerabilities.

1) Integer underflow (CVE-ID: CVE-2024-6285)

The vulnerability allows a local user to escalate privileges on the system.

The vulnerability exists due to integer underflow in image range check calculations. A local user can trigger an integer underflow and execute arbitrary code with elevated privileges.

2) Incorrect calculation (CVE-ID: CVE-2024-6287)

The vulnerability allows a local user to escalate privileges on the system.

The vulnerability exists due to incorrect calculation. When checking whether a new image invades/overlaps with a previously loaded image the code neglects to consider a few cases. A local user can bypass secure boot restrictions and escalate privileges on the system.

Remediation

Install update from vendor's website.

References

• https://www.openeuler.org/en/security/security-bulletins/detail/?id=openEuler-SA-2024-2566