CVE-2023-53002 (GCVE-0-2023-53002)
Vulnerability from cvelistv5
Published
2025-03-27 16:43
Modified
2025-05-04 07:47
Severity ?
Summary
In the Linux kernel, the following vulnerability has been resolved: drm/i915: Fix a memory leak with reused mmap_offset drm_vma_node_allow() and drm_vma_node_revoke() should be called in balanced pairs. We call drm_vma_node_allow() once per-file everytime a user calls mmap_offset, but only call drm_vma_node_revoke once per-file on each mmap_offset. As the mmap_offset is reused by the client, the per-file vm_count may remain non-zero and the rbtree leaked. Call drm_vma_node_allow_once() instead to prevent that memory leak.
References
416baaa9-dc9f-4396-8d5f-8c081fb06d67https://git.kernel.org/stable/c/0220e4fe178c3390eb0291cdb34912d66972db8aPatch
416baaa9-dc9f-4396-8d5f-8c081fb06d67https://git.kernel.org/stable/c/0bdc4b4ba7206c452ee81c82fa66e39d0e1780fbPatch
Impacted products
Vendor Product Version
Linux Linux Version: 7865559872074a9ab169c87915504661d630addf
Version: 7865559872074a9ab169c87915504661d630addf
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   Linux Linux Version: 5.7
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