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CVE-2026-74721 - National Institute of Standards and Technology (.gov)

CVE-2026-74721 National Institute of Standards and Technology (.gov)

·NVD
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Vulnerabilities & Patches
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CVE-2026-74721 - accel/amxdna: Fix page-insertion errors in amdxdna_insert_pages()

CVE ID : CVE-2026-74721 Published : Aug. 22, 2026, 4:16 p. m. • 4 hours, 54 minutes ago Description : In the Linux kernel, the following vulnerability has been resolved: accel/amxdna: Fix page-insertion errors in amdxdna_insert_pages() Two error paths in amdxdna_insert_pages() called vma-vm_ops-close(vma) before returning an error code to the caller. This is incorrect: amdxdna_gem_obj_mmap() registers an HMM interval notifier before calling amdxdna_insert_pages(), and on a hard error it jumps to hmm_unreg to undo that registration. Calling vm_ops-close() manually — which drops the shmem pages_pin_count and the GEM object reference that backs the VMA — before the mmap syscall has even returned causes those resources to be released while the VMA is still alive.

·CVEFeed
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