Threats Tagged 'ubuntu-cve-2026-52992'
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Threats Tagged 'ubuntu-cve-2026-52992'
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Linux hwe edge: In the Linux kernel, the following vulnerability has been resolved: fs/adfs: validate nzones in adfs_validate_bblk() Reject ADFS disc records with a… (CVE-2026-52992)CVE-2026-52992 0 In the Linux kernel, the following vulnerability has been resolved: fs/adfs: validate nzones in adfs_validate_bblk() Reject ADFS disc records with a zero zone count during boot block validation, before the disc record is used. When nzones is 0, adfs_read_map() passes it to kmalloc_array(0, ...) which returns ZERO_SIZE_PTR, and adfs_map_layout() then writes to dm[-1], causing an out-of-bounds write before the allocated buffer. adfs_validate_dr0() already rejects nzones != 1 for old-format images. Add the equivalent check to adfs_validate_bblk() for new-format images so that a crafted image with nzones == 0 is rejected at probe time. Found by syzkaller. Join the discussion | GCVE Database | 06/24/2026, 17:17:00 UTC Added: 07/16/2026, 10:37:58 UTC |
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