{"dataType":"CVE_RECORD","dataVersion":"5.2","cveMetadata":{"cveId":"CVE-2023-54167","assignerOrgId":"416baaa9-dc9f-4396-8d5f-8c081fb06d67","state":"PUBLISHED","assignerShortName":"Linux","dateReserved":"2025-12-30T12:06:44.495Z","datePublished":"2025-12-30T12:08:42.705Z","dateUpdated":"2026-05-11T19:56:44.783Z"},"containers":{"cna":{"providerMetadata":{"orgId":"416baaa9-dc9f-4396-8d5f-8c081fb06d67","shortName":"Linux","dateUpdated":"2026-05-11T19:56:44.783Z"},"descriptions":[{"lang":"en","value":"In the Linux kernel, the following vulnerability has been resolved:\n\nm68k: mm: Move initrd phys_to_virt handling after paging_init()\n\nWhen booting with an initial ramdisk on platforms where physical memory\ndoes not start at address zero (e.g. on Amiga):\n\n    initrd: 0ef0602c - 0f800000\n    Zone ranges:\n      DMA      [mem 0x0000000008000000-0x000000f7ffffffff]\n      Normal   empty\n    Movable zone start for each node\n    Early memory node ranges\n      node   0: [mem 0x0000000008000000-0x000000000f7fffff]\n    Initmem setup node 0 [mem 0x0000000008000000-0x000000000f7fffff]\n    Unable to handle kernel access at virtual address (ptrval)\n    Oops: 00000000\n    Modules linked in:\n    PC: [<00201d3c>] memcmp+0x28/0x56\n\nAs phys_to_virt() relies on m68k_memoffset and module_fixup(), it must\nnot be called before paging_init().  Hence postpone the phys_to_virt\nhandling for the initial ramdisk until after calling paging_init().\n\nWhile at it, reduce #ifdef clutter by using IS_ENABLED() instead."}],"affected":[{"product":"Linux","vendor":"Linux","defaultStatus":"unaffected","repo":"https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git","programFiles":["arch/m68k/kernel/setup_mm.c"],"versions":[{"version":"376e3fdecb0dcae216c0ac559cff066f460bf47b","lessThan":"ceb089e2337f810d3594d310953d9af4783f660a","status":"affected","versionType":"git"},{"version":"376e3fdecb0dcae216c0ac559cff066f460bf47b","lessThan":"58662cfb459150b9c0c22d20cddaea439b3844bd","status":"affected","versionType":"git"},{"version":"376e3fdecb0dcae216c0ac559cff066f460bf47b","lessThan":"d4b97925e87eb133e400fe4a482d750c74ce392f","status":"affected","versionType":"git"}]},{"product":"Linux","vendor":"Linux","defaultStatus":"affected","repo":"https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git","programFiles":["arch/m68k/kernel/setup_mm.c"],"versions":[{"version":"5.17","status":"affected"},{"version":"0","lessThan":"5.17","status":"unaffected","versionType":"semver"},{"version":"6.1.20","lessThanOrEqual":"6.1.*","status":"unaffected","versionType":"semver"},{"version":"6.2.7","lessThanOrEqual":"6.2.*","status":"unaffected","versionType":"semver"},{"version":"6.3","lessThanOrEqual":"*","status":"unaffected","versionType":"original_commit_for_fix"}]}],"cpeApplicability":[{"nodes":[{"operator":"OR","negate":false,"cpeMatch":[{"vulnerable":true,"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionStartIncluding":"5.17","versionEndExcluding":"6.1.20"},{"vulnerable":true,"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionStartIncluding":"5.17","versionEndExcluding":"6.2.7"},{"vulnerable":true,"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionStartIncluding":"5.17","versionEndExcluding":"6.3"}]}]}],"references":[{"url":"https://git.kernel.org/stable/c/ceb089e2337f810d3594d310953d9af4783f660a"},{"url":"https://git.kernel.org/stable/c/58662cfb459150b9c0c22d20cddaea439b3844bd"},{"url":"https://git.kernel.org/stable/c/d4b97925e87eb133e400fe4a482d750c74ce392f"}],"title":"m68k: mm: Move initrd phys_to_virt handling after paging_init()","x_generator":{"engine":"bippy-1.2.0"}}}}