Bug 2394603 (CVE-2025-39747) - CVE-2025-39747 kernel: drm/msm: Add error handling for krealloc in metadata setup
Summary: CVE-2025-39747 kernel: drm/msm: Add error handling for krealloc in metadata s...
Keywords:
Status: NEW
Alias: CVE-2025-39747
Product: Security Response
Classification: Other
Component: vulnerability
Version: unspecified
Hardware: All
OS: Linux
medium
medium
Target Milestone: ---
Assignee: Product Security DevOps Team
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Depends On:
Blocks:
TreeView+ depends on / blocked
 
Reported: 2025-09-11 17:01 UTC by OSIDB Bzimport
Modified: 2025-09-12 11:58 UTC (History)
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Description OSIDB Bzimport 2025-09-11 17:01:43 UTC 
In the Linux kernel, the following vulnerability has been resolved:

drm/msm: Add error handling for krealloc in metadata setup

Function msm_ioctl_gem_info_set_metadata() now checks for krealloc
failure and returns -ENOMEM, avoiding potential NULL pointer dereference.
Explicitly avoids __GFP_NOFAIL due to deadlock risks and allocation constraints.

Patchwork: https://patchwork.freedesktop.org/patch/661235/
Comment 1 Jon Moroney 2025-09-11 20:21:10 UTC 
Upstream advisory:
https://lore.kernel.org/linux-cve-announce/2025091141-CVE-2025-39747-a51c@gregkh/T
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