Multiple vulnerabilities in ARM Mali GPU kernel drivers

1) Use-after-free

EUVDB-ID: #VU74389

Risk: Low

CVSSv3.1: 7.7 [CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:C/C:H/I:H/A:H/E:U/RL:O/RC:C]

CVE-ID: CVE-2022-46394

CWE-ID: CWE-416 - Use After Free

Exploit availability: No

Description

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

The vulnerability exists due to a use-after-free error. A local application can execute arbitrary code with elevated privileges.

Mitigation

Install updates from vendor's website.

Vulnerable software versions

Valhall GPU Kernel Driver: r39p0 - r41p0

ARM Avalon GPU Kernel Driver: r41p0

External links

http://developer.arm.com/Arm%20Security%20Center/Mali%20GPU%20Driver%20Vulnerabilities
http://developer.arm.com/support/arm-security-updates

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.

2) Use-after-free

EUVDB-ID: #VU74388

Risk: Low

CVSSv3.1: 7.7 [CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:C/C:H/I:H/A:H/E:U/RL:O/RC:C]

CVE-ID: CVE-2022-46395

CWE-ID: CWE-416 - Use After Free

Exploit availability: No

Description

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

The vulnerability exists due to a use-after-free error. A local application can execute arbitrary code with elevated privileges.

Mitigation

Install updates from vendor's website.

Vulnerable software versions

Midgard GPU Kernel Driver: All versions

ARM Avalon GPU Kernel Driver: r41p0

Bifrost GPU Kernel Driver: before r42p0

Valhall GPU Kernel Driver: before r42p0

External links

http://developer.arm.com/Arm%20Security%20Center/Mali%20GPU%20Driver%20Vulnerabilities
http://developer.arm.com/support/arm-security-updates

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.

3) Out-of-bounds read

EUVDB-ID: #VU74392

Risk: Low

CVSSv3.1: 3.3 [CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:C/C:L/I:N/A:N/E:U/RL:O/RC:C]

CVE-ID: CVE-2022-46781

CWE-ID: CWE-125 - Out-of-bounds read

Exploit availability: No

Description

The vulnerability allows a local application to gain access to potentially sensitive information.

The vulnerability exists due to a boundary condition. A local application can trigger an out-of-bounds read error and read contents of memory on the system.

Mitigation

Install updates from vendor's website.

Vulnerable software versions

ARM Avalon GPU Kernel Driver: r41p0

Valhall GPU Kernel Driver: before r42p0

External links

http://developer.arm.com/Arm%20Security%20Center/Mali%20GPU%20Driver%20Vulnerabilities#CVE-2022-46781

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.

4) Out-of-bounds read

EUVDB-ID: #VU74391

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-2023-22808

CWE-ID: CWE-125 - Out-of-bounds read

Exploit availability: No

Description

The vulnerability allows a local application to gain access to potentially sensitive information.

The vulnerability exists due to a boundary condition. A local application can trigger an out-of-bounds read error and read contents of memory on the system.

Mitigation

Install updates from vendor's website.

Vulnerable software versions

ARM Avalon GPU Kernel Driver: r41p0

Valhall GPU Kernel Driver: before r42p0

Bifrost GPU Kernel Driver: before r42p0

External links

http://developer.arm.com/Arm%20Security%20Center/Mali%20GPU%20Driver%20Vulnerabilities#CVE-2023-22808

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.

5) Out-of-bounds read

EUVDB-ID: #VU74393

Risk: Low

CVSSv3.1: 3.3 [CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:C/C:L/I:N/A:N/E:U/RL:O/RC:C]

CVE-ID: CVE-2022-46396

CWE-ID: CWE-125 - Out-of-bounds read

Exploit availability: No

Description

The vulnerability allows a local application to gain access to potentially sensitive information.

The vulnerability exists due to a boundary condition. A local application can trigger an out-of-bounds read error and read contents of memory on the system.

Mitigation

Install updates from vendor's website.

Vulnerable software versions

ARM Avalon GPU Kernel Driver: r41p0

Valhall GPU Kernel Driver: before r42p0

External links

http://developer.arm.com/Arm%20Security%20Center/Mali%20GPU%20Driver%20Vulnerabilities#CVE-2022-46396

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.