The vulnerability of Mali graphics processor drivers based on Midgard, Bifrost, and Valhall architectures lies in the use of memory after it is freed. This allows attackers to elevate their privileges or gain unauthorized access to protected information.

The vulnerability of Mali graphics processor drivers based on Midgard, Bifrost, and Valhall architectures is related to the use of memory after it is freed. Exploiting this vulnerability can allow a remote attacker to increase their privileges or gain unauthorized access to protected information...

CVE-2021-29256

. The Arm Mali GPU kernel driver allows an unprivileged user to achieve access to freed memory, leading to information disclosure or root privilege escalation. This affects Bifrost r16p0 through r29p0 before r30p0, Valhall r19p0 through r29p0 before r30p0, and Midgard r28p0 through r30p0...

Information disclosure

. The Arm Mali GPU kernel driver allows an unprivileged user to achieve access to freed memory, leading to information disclosure or root privilege escalation. This affects Bifrost r16p0 through r29p0 before r30p0, Valhall r19p0 through r29p0 before r30p0, and Midgard r28p0 through r30p0...

CVE-2021-29256

. The Arm Mali GPU kernel driver allows an unprivileged user to achieve access to freed memory, leading to information disclosure or root privilege escalation. This affects Bifrost r16p0 through r29p0 before r30p0, Valhall r19p0 through r29p0 before r30p0, and Midgard r28p0 through r30p0...

CVE-2021-29256

. The Arm Mali GPU kernel driver allows an unprivileged user to achieve access to freed memory, leading to information disclosure or root privilege escalation. This affects Bifrost r16p0 through r29p0 before r30p0, Valhall r19p0 through r29p0 before r30p0, and Midgard r28p0 through r30p0...

PT-2021-18150 · Arm · Arm Mali Gpu Kernel Driver

Name of the Vulnerable Software and Affected Versions: Arm Mali GPU Kernel Driver versions Bifrost r16p0 through r29p0 Arm Mali GPU Kernel Driver versions Valhall r19p0 through r29p0 Arm Mali GPU Kernel Driver versions Midgard r28p0 through r30p0 Description: The issue allows an unprivileged user...

CVE-2021-29256

. The Arm Mali GPU kernel driver allows an unprivileged user to achieve access to freed memory, leading to information disclosure or root privilege escalation. This affects Bifrost r16p0 through r29p0 before r30p0, Valhall r19p0 through r29p0 before r30p0, and Midgard r28p0 through r30p0. Notes...

CVE-2021-28664

The Arm Mali GPU kernel driver allows privilege escalation or a denial of service memory corruption because an unprivileged user can achieve read/write access to read-only pages. This affects Bifrost r0p0 through r29p0 before r30p0, Valhall r19p0 through r29p0 before r30p0, and Midgard r8p0 throu...

CVE-2021-28663

The Arm Mali GPU kernel driver allows privilege escalation or information disclosure because GPU memory operations are mishandled, leading to a use-after-free. This affects Bifrost r0p0 through r28p0 before r29p0, Valhall r19p0 through r28p0 before r29p0, and Midgard r4p0 through r30p0...

CVE-2021-28664

The Arm Mali GPU kernel driver allows privilege escalation or a denial of service memory corruption because an unprivileged user can achieve read/write access to read-only pages. This affects Bifrost r0p0 through r29p0 before r30p0, Valhall r19p0 through r29p0 before r30p0, and Midgard r8p0 throu...

Privilege escalation

The Arm Mali GPU kernel driver allows privilege escalation or information disclosure because GPU memory operations are mishandled, leading to a use-after-free. This affects Bifrost r0p0 through r28p0 before r29p0, Valhall r19p0 through r28p0 before r29p0, and Midgard r4p0 through r30p0...

Memory corruption

The Arm Mali GPU kernel driver allows privilege escalation or a denial of service memory corruption because an unprivileged user can achieve read/write access to read-only pages. This affects Bifrost r0p0 through r29p0 before r30p0, Valhall r19p0 through r29p0 before r30p0, and Midgard r8p0 throu...

CVE-2021-28663

The Arm Mali GPU kernel driver allows privilege escalation or information disclosure because GPU memory operations are mishandled, leading to a use-after-free. This affects Bifrost r0p0 through r28p0 before r29p0, Valhall r19p0 through r28p0 before r29p0, and Midgard r4p0 through r30p0...

CVE-2021-28664

The Arm Mali GPU kernel driver allows privilege escalation or a denial of service memory corruption because an unprivileged user can achieve read/write access to read-only pages. This affects Bifrost r0p0 through r29p0 before r30p0, Valhall r19p0 through r29p0 before r30p0, and Midgard r8p0 throu...

CVE-2021-28663

The Arm Mali GPU kernel driver allows privilege escalation or information disclosure because GPU memory operations are mishandled, leading to a use-after-free. This affects Bifrost r0p0 through r28p0 before r29p0, Valhall r19p0 through r28p0 before r29p0, and Midgard r4p0 through r30p0...

CVE-2021-28664

The Arm Mali GPU kernel driver allows privilege escalation or a denial of service memory corruption because an unprivileged user can achieve read/write access to read-only pages. This affects Bifrost r0p0 through r29p0 before r30p0, Valhall r19p0 through r29p0 before r30p0, and Midgard r8p0 throu...

CVE-2021-28663

CVE-2021-28663 is an Arm Mali GPU kernel-driver use-after-free memory corruption vulnerability that can enable privilege escalation or information disclosure. Affected GPUs span Bifrost (r0p0–r28p0 before r29p0), Valhall (r19p0–r28p0 before r29p0), and Midgard (r4p0–r30p0). The issue arises from ...

CVE-2021-28663

The Arm Mali GPU kernel driver allows privilege escalation or information disclosure because GPU memory operations are mishandled, leading to a use-after-free. This affects Bifrost r0p0 through r28p0 before r29p0, Valhall r19p0 through r28p0 before r29p0, and Midgard r4p0 through r30p0. Recent...

CVE-2021-28664

The Arm Mali GPU kernel driver allows privilege escalation or a denial of service memory corruption because an unprivileged user can achieve read/write access to read-only pages. This affects Bifrost r0p0 through r29p0 before r30p0, Valhall r19p0 through r29p0 before r30p0, and Midgard r8p0 throu...

PT-2021-4879

Name of the Vulnerable Software and Affected Versions Arm Mali GPU kernel driver versions Bifrost r0p0 through r28p0 before r29p0 Arm Mali GPU kernel driver versions Valhall r19p0 through r28p0 before r29p0 Arm Mali GPU kernel driver versions Midgard r4p0 through r30p0 Description The issue is...