{"resultsPerPage":1,"startIndex":0,"totalResults":1,"format":"NVD_CVE","version":"2.0","timestamp":"2026-04-30T07:35:43.247","vulnerabilities":[{"cve":{"id":"CVE-2023-54278","sourceIdentifier":"416baaa9-dc9f-4396-8d5f-8c081fb06d67","published":"2025-12-30T13:16:16.757","lastModified":"2026-04-15T00:35:42.020","vulnStatus":"Deferred","cveTags":[],"descriptions":[{"lang":"en","value":"In the Linux kernel, the following vulnerability has been resolved:\n\ns390/vmem: split pages when debug pagealloc is enabled\n\nSince commit bb1520d581a3 (\"s390/mm: start kernel with DAT enabled\")\nthe kernel crashes early during boot when debug pagealloc is enabled:\n\nmem auto-init: stack:off, heap alloc:off, heap free:off\naddressing exception: 0005 ilc:2 [#1] SMP DEBUG_PAGEALLOC\nModules linked in:\nCPU: 0 PID: 0 Comm: swapper Not tainted 6.5.0-rc3-09759-gc5666c912155 #630\n[..]\nKrnl Code: 00000000001325f6: ec5600248064 cgrj %r5,%r6,8,000000000013263e\n           00000000001325fc: eb880002000c srlg %r8,%r8,2\n          #0000000000132602: b2210051     ipte %r5,%r1,%r0,0\n          >0000000000132606: b90400d1     lgr %r13,%r1\n           000000000013260a: 41605008     la %r6,8(%r5)\n           000000000013260e: a7db1000     aghi %r13,4096\n           0000000000132612: b221006d     ipte %r6,%r13,%r0,0\n           0000000000132616: e3d0d0000171 lay %r13,4096(%r13)\n\nCall Trace:\n __kernel_map_pages+0x14e/0x320\n __free_pages_ok+0x23a/0x5a8)\n free_low_memory_core_early+0x214/0x2c8\n memblock_free_all+0x28/0x58\n mem_init+0xb6/0x228\n mm_core_init+0xb6/0x3b0\n start_kernel+0x1d2/0x5a8\n startup_continue+0x36/0x40\nKernel panic - not syncing: Fatal exception: panic_on_oops\n\nThis is caused by using large mappings on machines with EDAT1/EDAT2. Add\nthe code to split the mappings into 4k pages if debug pagealloc is enabled\nby CONFIG_DEBUG_PAGEALLOC_ENABLE_DEFAULT or the debug_pagealloc kernel\ncommand line option."},{"lang":"es","value":"En el kernel de Linux, la siguiente vulnerabilidad ha sido resuelta:\n\ns390/vmem: dividir páginas cuando debug pagealloc está habilitado\n\nDesde el commit bb1520d581a3 ('s390/mm: iniciar kernel con DAT habilitado'), el kernel falla temprano durante el arranque cuando debug pagealloc está habilitado:\n\ninicialización automática de memoria: pila:desactivado, asignación de heap:desactivado, liberación de heap:desactivado\nexcepción de direccionamiento: 0005 ilc:2 [#1] SMP DEBUG_PAGEALLOC\nMódulos enlazados:\nCPU: 0 PID: 0 Comm: swapper No contaminado 6.5.0-rc3-09759-gc5666c912155 #630\n[..]\nCódigo del kernel: 00000000001325f6: ec5600248064 cgrj %r5,%r6,8,000000000013263e\n           00000000001325fc: eb880002000c srlg %r8,%r8,2\n          #0000000000132602: b2210051     ipte %r5,%r1,%r0,0\n          >0000000000132606: b90400d1     lgr %r13,%r1\n           000000000013260a: 41605008     la %r6,8(%r5)\n           000000000013260e: a7db1000     aghi %r13,4096\n           0000000000132612: b221006d     ipte %r6,%r13,%r0,0\n           0000000000132616: e3d0d0000171 lay %r13,4096(%r13)\n\nTraza de llamadas:\n __kernel_map_pages+0x14e/0x320\n __free_pages_ok+0x23a/0x5a8)\n free_low_memory_core_early+0x214/0x2c8\n memblock_free_all+0x28/0x58\n mem_init+0xb6/0x228\n mm_core_init+0xb6/0x3b0\n start_kernel+0x1d2/0x5a8\n startup_continue+0x36/0x40\nPánico del kernel - no sincronizando: Excepción fatal: panic_on_oops\n\nEsto es causado por el uso de mapeos grandes en máquinas con EDAT1/EDAT2. Añadir el código para dividir los mapeos en páginas de 4k si debug pagealloc está habilitado por CONFIG_DEBUG_PAGEALLOC_ENABLE_DEFAULT o la opción de línea de comandos del kernel debug_pagealloc."}],"metrics":{},"references":[{"url":"https://git.kernel.org/stable/c/601e467e29a960f7ab7ec4075afc6a68c3532a65","source":"416baaa9-dc9f-4396-8d5f-8c081fb06d67"},{"url":"https://git.kernel.org/stable/c/edc1e4b6e26536868ef819a735e04a5b32c10589","source":"416baaa9-dc9f-4396-8d5f-8c081fb06d67"}]}}]}