SB2023100477 - Multiple vulnerabilities in Qualcomm firmware

Description

This security bulletin contains information about 3 secuirty vulnerabilities.

1) Use of Out-of-range Pointer Offset (CVE-ID: CVE-2023-33106)

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

The vulnerability exists due to a boundary error while submitting a large list of sync points in an AUX command to the IOCTL_KGSL_GPU_AUX_COMMAND. A local user can trigger memory corruption and execute arbitrary code with elevated privileges.

Note, the vulnerability is being actively exploited in the wild.

2) Integer overflow (CVE-ID: CVE-2023-33107)

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

The vulnerability exists due to integer overflow while assigning shared virtual memory region during IOCTL call. A local user can trigger an integer overflow and execute arbitrary code with elevated privileges.

Note, the vulnerability is being actively exploited in the wild.

3) Use-after-free (CVE-ID: CVE-2023-33063)

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

The vulnerability exists due to a use-after-free error during a remote call from HLOS to DSP. A local user can trigger a use-after-free error and execute arbitrary code with elevated privileges.

Note, the vulnerability is being actively exploited in the wild.

Remediation

Install update from vendor's website.

References

• https://docs.qualcomm.com/product/publicresources/securitybulletin/october-2023-bulletin.html
• https://docs.qualcomm.com/product/publicresources/securitybulletin/december-2023-bulletin.html