{"id":"CVE-2023-52619","state":"PUBLISHED","title":"pstore/ram: Fix crash when setting number of cpus to an odd number","description":"In the Linux kernel, the following vulnerability has been resolved:\n\npstore/ram: Fix crash when setting number of cpus to an odd number\n\nWhen the number of cpu cores is adjusted to 7 or other odd numbers,\nthe zone size will become an odd number.\nThe address of the zone will become:\n    addr of zone0 = BASE\n    addr of zone1 = BASE + zone_size\n    addr of zone2 = BASE + zone_size*2\n    ...\nThe address of zone1/3/5/7 will be mapped to non-alignment va.\nEventually crashes will occur when accessing these va.\n\nSo, use ALIGN_DOWN() to make sure the zone size is even\nto avoid this bug.","publishedAt":"2024-03-18T10:19:05.854Z","updatedAt":"2026-05-11T19:30:29.131Z","severity":null,"assigner":"Linux","products":["Linux 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