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CVE-2026-43163: Linux

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Вероятност да бъде експлоатирана в следващите 30 дни (EPSS)

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    Описание

    Оригинално описание

    In the Linux kernel, the following vulnerability has been resolved: md/bitmap: fix GPF in write_page caused by resize race A General Protection Fault occurs in write_page() during array resize: RIP: 0010:write_page+0x22b/0x3c0 [md_mod] This is a use-after-free race between bitmap_daemon_work() and __bitmap_resize(). The daemon iterates over `bitmap->storage.filemap` without locking, while the resize path frees that storage via md_bitmap_file_unmap(). `quiesce()` does not stop the md thread, allowing concurrent access to freed pages. Fix by holding `mddev->bitmap_info.mutex` during the bitmap update.

    Засегнати продукти

    • Linux Linux: d60b479d177a5735b6b4db6ee5280ef6653f50e7 преди 140cc839fbeb1ddb33a8da8811b716d88d3905b7; d60b479d177a5735b6b4db6ee5280ef6653f50e7 преди ebcacc7ca22d5e8a03a970f0621ae1d1356b9ae8; d60b479d177a5735b6b4db6ee5280ef6653f50e7 преди d3af62411e19752c663fe4f424dbf49d95a4cc7c; d60b479d177a5735b6b4db6ee5280ef6653f50e7 преди d92b8fac294b5f915c50e65ce4ae2262e53614ec; d60b479d177a5735b6b4db6ee5280ef6653f50e7 преди a437e3bf30e32846079e470c1ba5ee790bccdf89; d60b479d177a5735b6b4db6ee5280ef6653f50e7 преди 9a6f8cd28bb9bb6ed86a6df19331fb08016dee7f; d60b479d177a5735b6b4db6ee5280ef6653f50e7 преди 5f73c8b33df9a605a591eab72d43a969600c1f8c; d60b479d177a5735b6b4db6ee5280ef6653f50e7 преди 46ef85f854dfa9d5226b3c1c46493d79556c9589
    • Linux Linux: 3.5; преди 3.5; 5.10.252 до 5.10.*; 5.15.202 до 5.15.*; 6.1.165 до 6.1.*; 6.6.128 до 6.6.*; 6.12.75 до 6.12.*; 6.18.16 до 6.18.*; 6.19.6 до 6.19.*; 7.0 до *

    История

    • 6 май 2026 Публикувано

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    CVE-2026-43163: Linux | freedomonline.bg