In the Linux kernel, the following vulnerability has been resolved:
drm/msm/a7xx: Call CP_RESET_CONTEXT_STATE
Calling this packet is necessary when we switch contexts because there
are various pieces of state used by userspace to synchronize between BR
and BV that are persistent across submits and we need to make sure that
they are in a "safe" state when switching contexts. Otherwise a
userspace submission in one context could cause another context to
function incorrectly and hang, effectively a denial of service (although
without leaking data). This was missed during initial a7xx bringup.
Patchwork: https://patchwork.freedesktop.org/patch/654924/
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Sun, 06 Jul 2025 12:30:00 +0000
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Description | In the Linux kernel, the following vulnerability has been resolved: drm/msm/a7xx: Call CP_RESET_CONTEXT_STATE Calling this packet is necessary when we switch contexts because there are various pieces of state used by userspace to synchronize between BR and BV that are persistent across submits and we need to make sure that they are in a "safe" state when switching contexts. Otherwise a userspace submission in one context could cause another context to function incorrectly and hang, effectively a denial of service (although without leaking data). This was missed during initial a7xx bringup. Patchwork: https://patchwork.freedesktop.org/patch/654924/ | |
Title | drm/msm/a7xx: Call CP_RESET_CONTEXT_STATE | |
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Status: PUBLISHED
Assigner: Linux
Published: 2025-07-04T13:37:13.761Z
Updated: 2025-07-04T13:37:13.761Z
Reserved: 2025-04-16T04:51:23.992Z
Link: CVE-2025-38188

No data.

Status : Awaiting Analysis
Published: 2025-07-04T14:15:25.760
Modified: 2025-07-08T16:18:53.607
Link: CVE-2025-38188
