CVSS 3.1
Вероятност да бъде експлоатирана в следващите 30 дни (EPSS)
Атакува се
Време до експлоатация
Атакува се локално, без особени условия, с обикновен потребителски вход и без действие от потребителя.
Описание
Оригинално описание
In the Linux kernel, the following vulnerability has been resolved: spi: amlogic: spifc-a4: Fix DMA mapping error handling Fix three bugs in aml_sfc_dma_buffer_setup() error paths: 1. Unnecessary goto: When the first DMA mapping (sfc->daddr) fails, nothing needs cleanup. Use direct return instead of goto. 2. Double-unmap bug: When info DMA mapping failed, the code would unmap sfc->daddr inline, then fall through to out_map_data which would unmap it again, causing a double-unmap. 3. Wrong unmap size: The out_map_info label used datalen instead of infolen when unmapping sfc->iaddr, which could lead to incorrect DMA sync behavior.
Засегнати продукти
- Linux Linux: 4670db6f32e9379f5ab6c9bb2a6787cd9b9230a9 преди 0a83d6c9e149a176340190fa9cbadf2266db4c9a; 4670db6f32e9379f5ab6c9bb2a6787cd9b9230a9 преди c0b88f1176074f80140ed77fce909f254b7180ab; 4670db6f32e9379f5ab6c9bb2a6787cd9b9230a9 преди b20b437666e1cb26a7c499d1664e8f2a0ac67000
- Linux Linux: 6.18; преди 6.18; 6.18.19 до 6.18.*; 6.19.9 до 6.19.*; 7.0 до *
История
- 8 май 2026 Публикувано
Други уязвимости в Linux Linux
Първоизточници
- https://www.cve.org/CVERecord?id=CVE-2026-43461
- https://nvd.nist.gov/vuln/detail/CVE-2026-43461
- https://git.kernel.org/stable/c/0a83d6c9e149a176340190fa9cbadf2266db4c9a
- https://git.kernel.org/stable/c/c0b88f1176074f80140ed77fce909f254b7180ab
- https://git.kernel.org/stable/c/b20b437666e1cb26a7c499d1664e8f2a0ac67000