CVE-2026-23211

*** Pendiente de traducción *** In the Linux kernel, the following vulnerability has been resolved:<br /> <br /> mm, swap: restore swap_space attr aviod kernel panic<br /> <br /> commit 8b47299a411a ("mm, swap: mark swap address space ro and add context<br /> debug check") made the swap address space read-only. It may lead to<br /> kernel panic if arch_prepare_to_swap returns a failure under heavy memory<br /> pressure as follows,<br /> <br /> el1_abort+0x40/0x64<br /> el1h_64_sync_handler+0x48/0xcc<br /> el1h_64_sync+0x84/0x88<br /> errseq_set+0x4c/0xb8 (P)<br /> __filemap_set_wb_err+0x20/0xd0<br /> shrink_folio_list+0xc20/0x11cc<br /> evict_folios+0x1520/0x1be4<br /> try_to_shrink_lruvec+0x27c/0x3dc<br /> shrink_one+0x9c/0x228<br /> shrink_node+0xb3c/0xeac<br /> do_try_to_free_pages+0x170/0x4f0<br /> try_to_free_pages+0x334/0x534<br /> __alloc_pages_direct_reclaim+0x90/0x158<br /> __alloc_pages_slowpath+0x334/0x588<br /> __alloc_frozen_pages_noprof+0x224/0x2fc<br /> __folio_alloc_noprof+0x14/0x64<br /> vma_alloc_zeroed_movable_folio+0x34/0x44<br /> do_pte_missing+0xad4/0x1040<br /> handle_mm_fault+0x4a4/0x790<br /> do_page_fault+0x288/0x5f8<br /> do_translation_fault+0x38/0x54<br /> do_mem_abort+0x54/0xa8<br /> <br /> Restore swap address space as not ro to avoid the panic.