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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/

PUBLISHED Reserved 2025-04-16 | Published 2025-07-04 | Updated 2025-07-28 | Assigner Linux

Product status

Default status
unaffected

af66706accdf5afef45204afc87037f876e0665c (git) before 8a1f52651dd8203695d293c6824d8f6c067877d1
affected

af66706accdf5afef45204afc87037f876e0665c (git) before 35fe72f3c425bbf1d580bd9066e2456b1dbae4a8
affected

af66706accdf5afef45204afc87037f876e0665c (git) before 2b520c6104f34e3a548525173c38ebca4402cac3
affected

Default status
affected

6.7
affected

Any version before 6.7
unaffected

6.12.35 (semver)
unaffected

6.15.4 (semver)
unaffected

6.16 (original_commit_for_fix)
unaffected

References

git.kernel.org/...c/8a1f52651dd8203695d293c6824d8f6c067877d1

git.kernel.org/...c/35fe72f3c425bbf1d580bd9066e2456b1dbae4a8

git.kernel.org/...c/2b520c6104f34e3a548525173c38ebca4402cac3

cve.org (CVE-2025-38188)

nvd.nist.gov (CVE-2025-38188)

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