Where
-Infinity
0
Severity
7.8
EPSS
21.26%
Use After Free
CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H

Arm Bifrost and Valhall GPU kernel drivers contain a use-after-free vulnerability that allows a local, non-privileged user to make improper GPU memory processing operations to gain access to already freed memory.

1 / 2
Source: CISA
First published (updated )
Severity
7.8
Integer Overflow, Use After Free
CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H

A local non-privileged user can make improper GPU memory processing operations to gain access to already freed memory.

Remedy

This issue is fixed in Valhall and Arm 5th Gen GPU Architecture Kernel Driver r43p0. Users are recommended to upgrade if they are impacted by this issue.
First published (updated )
Severity
4.7
Use After Free, Race Condition
CVSS:3.1/AV:L/AC:H/PR:L/UI:N/S:U/C:N/I:N/A:H

A local non-privileged user can make improper GPU processing operations to exploit a software race condition. If the system’s memory is carefully prepared by the user, then this in turn could give them access to already freed memory.

First published (updated )
Severity
4.7
Use After Free, Race Condition
CVSS:3.1/AV:L/AC:H/PR:L/UI:N/S:U/C:N/I:N/A:H

A local non-privileged user can make improper GPU processing operations to access a limited amount outside of buffer bounds or to exploit a software race condition. If the system’s memory is carefully prepared by the user, then this in turn could give them access to already freed memory

First published (updated )
Severity
5.5
Use After Free
CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:N/A:N

A local non-privileged user can make improper GPU memory processing operations to gain access to already freed memory.

1 / 2
First published (updated )

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