In the Linux kernel, the following vulnerability has been resolved:

drm/xe/dma-buf: fix UAF with retry loop

Retry doesn't work here, since bo will be freed on error, leading to
UAF. However, now that we do the alloc & init before the attach, we can
now combine this as one unit and have the init do the alloc for us. This
should make the retry safe.

Reported by Sashiko.

v2: Fix up the error unwind (CI)

(cherry picked from commit 479669418253e0f27f8cf5db01a731352ea592e7)

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No CVSS v3.1

No CVSS v3.0

No CVSS v2

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Default status is the baseline for the product, each version can override it (e.g. patched versions marked unaffected).

Vendor Product Default status Versions
Linux Linux unaffected
Version Status Constraints
eb289a5f6cc668853f9b2ea6aca04afe58ed11c7 affected < 39fdac6be02eb7c3460518c1c4085f75f935c4ce
eb289a5f6cc668853f9b2ea6aca04afe58ed11c7 affected < 827062952ed9bdf4220466c1f05ce452d04bdedf
eb289a5f6cc668853f9b2ea6aca04afe58ed11c7 affected < 155a372a1cc50fa93387c5d3cdfd614a61e1afd1
Linux Linux affected
Version Status Constraints
6.18 affected —
0 unaffected < 6.18
6.18.33 unaffected ≤ 6.18.*
7.0.10 unaffected ≤ 7.0.*
7.1 unaffected ≤ *

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https://git.kernel.org/stable/c/155a372a1cc50fa93387c5d3cdfd614a61e1afd1 cve-icon
https://git.kernel.org/stable/c/39fdac6be02eb7c3460518c1c4085f75f935c4ce cve-icon
https://git.kernel.org/stable/c/827062952ed9bdf4220466c1f05ce452d04bdedf cve-icon
History

Wed, 24 Jun 2026 18:45:00 +0000

Type Values Removed Values Added
Weaknesses CWE-416

Wed, 24 Jun 2026 17:15:00 +0000

Type Values Removed Values Added
Description In the Linux kernel, the following vulnerability has been resolved: drm/xe/dma-buf: fix UAF with retry loop Retry doesn't work here, since bo will be freed on error, leading to UAF. However, now that we do the alloc & init before the attach, we can now combine this as one unit and have the init do the alloc for us. This should make the retry safe. Reported by Sashiko. v2: Fix up the error unwind (CI) (cherry picked from commit 479669418253e0f27f8cf5db01a731352ea592e7)
Title drm/xe/dma-buf: fix UAF with retry loop
First Time appeared Linux
Linux linux Kernel
CPEs cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*
Vendors & Products Linux
Linux linux Kernel
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cve-icon MITRE

Status: PUBLISHED

Assigner: Linux

Published:

Updated: 2026-06-24T16:28:33.469Z

Reserved: 2026-06-09T07:44:35.372Z

Link: CVE-2026-52950

cve-icon Vulnrichment

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cve-icon NVD

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cve-icon Redhat

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cve-icon OpenCVE Enrichment

Updated: 2026-06-24T18:30:06Z

Weaknesses