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CVE-2026-72129: Linux

9.8

CVSS 3.1

Няма данни

Вероятност да бъде експлоатирана в следващите 30 дни (EPSS)

Няма потвърждение

Атакува се

Няма данни

Време до експлоатация

Атакува се по мрежата, без особени условия, без вход и без действие от потребителя.

  • Експлоатация: няма данни за експлоатация
  • Атаката може да се автоматизира

Описание

Оригинално описание

In the Linux kernel, the following vulnerability has been resolved: nvmet-rdma: handle inline data with a nonzero offset nvmet_rdma_use_inline_sg() maps the host-controlled inline data offset into the per-command inline scatterlist. The bounds check admits any offset with off + len <= inline_data_size, but the mapping still assumes the data begins in the first inline page: sg->offset = off; sg->length = min_t(int, len, PAGE_SIZE - off); When a port is configured with inline_data_size > PAGE_SIZE (settable up to max(SZ_16K, PAGE_SIZE)), an offset in (PAGE_SIZE, inline_data_size] makes "PAGE_SIZE - off" underflow, so sg->length is set to ~4 GiB and the block backend reads far past the first inline page. num_pages(len) also ignores the offset, so an in-bounds offset whose [off, off+len) span crosses a page boundary under-counts the scatterlist. Map the offset properly: split it into a page index and an in-page offset, start the scatterlist at that page, and size the page count from page_off + len. Because the request scatterlist may now start at inline_sg[page_idx] rather than inline_sg[0], generalize the inline-SGL identity test in nvmet_rdma_release_rsp() to a range test; otherwise the persistent inline scatterlist is mistaken for an allocated one and nvmet_req_free_sgls() frees an inline page (and warns in free_large_kmalloc()).

Засегнати продукти

  • Linux Linux: 0d5ee2b2ab4f6776c361bc975c2323bc8b5cf349 преди c2106ba1b14d644a5203bea1a50dbe25dcad713c; 0d5ee2b2ab4f6776c361bc975c2323bc8b5cf349 преди bf8bcc1c137d54a62a428b00051fdbb13660673b; 0d5ee2b2ab4f6776c361bc975c2323bc8b5cf349 преди 11401371152b228448a41d79c6de1c938f93049a; 0d5ee2b2ab4f6776c361bc975c2323bc8b5cf349 преди 7c96581169c9d9a7d0726e554313acfbead6141c; 0d5ee2b2ab4f6776c361bc975c2323bc8b5cf349 преди 42a8ea3acd883f4f210d9e54e0975b1e2292b529; 0d5ee2b2ab4f6776c361bc975c2323bc8b5cf349 преди 2944113ad5fbcdf5d349d857c03d2a44b6de75b8; 0d5ee2b2ab4f6776c361bc975c2323bc8b5cf349 преди 98bcdfa619150b2f41fa15bac140dbaf2584ad05; 0d5ee2b2ab4f6776c361bc975c2323bc8b5cf349 преди 48c0162f647bb47e6084ffbc71b8f213f5e2f4f8
  • Linux Linux: 4.19; преди 4.19; 5.10.261 до 5.10.*; 5.15.212 до 5.15.*; 6.1.178 до 6.1.*; 6.6.145 до 6.6.*; 6.12.97 до 6.12.*; 6.18.40 до 6.18.*; 7.1.5 до 7.1.*; от 7.2 нататък

История

  • 15 август 2026 Публикувано

Други уязвимости в Linux Linux

Първоизточници

CVE-2026-72129: Linux | freedomonline.bg