CVE-2026-43061: Linux

Описание

Оригинално описание

In the Linux kernel, the following vulnerability has been resolved: serial: 8250: Fix TX deadlock when using DMA `dmaengine_terminate_async` does not guarantee that the `__dma_tx_complete` callback will run. The callback is currently the only place where `dma->tx_running` gets cleared. If the transaction is canceled and the callback never runs, then `dma->tx_running` will never get cleared and we will never schedule new TX DMA transactions again. This change makes it so we clear `dma->tx_running` after we terminate the DMA transaction. This is "safe" because `serial8250_tx_dma_flush` is holding the UART port lock. The first thing the callback does is also grab the UART port lock, so access to `dma->tx_running` is serialized.

Засегнати продукти

• Linux Linux: 7c47e637dfadfbc691dd297b91d81ef939ca2080 преди 8190f9ab6ad90cb97652adbebd238b874a4ef70d; bf3f395b9c37956eca866c9e1679769ed7dcce68 преди 79a19bd936bb35f56ef0ccab1b3b59ebce8c762d; d470522c597b73e63cca04f3012aec28185113b7 преди f76d91271bcacbd759a2e4ee3ea61faa6a727ccf; 5e00346deb7bf40a4cf70e3716ac8e9a2409eb55 преди d2719a0a9c3439abf67843a5504b7afccd9ded93; c8a52c772c7c6de72257a435bcad03d3bb914a70 преди 2a72403b985aea6b4aac3171830492f9a387f9e1; 9e512eaaf8f4008c44ede3dfc0fbc9d9c5118583 преди 5f6b17562f03fc65c7d3474ef8f1959b19d1ca41; 9e512eaaf8f4008c44ede3dfc0fbc9d9c5118583 преди b5ad887339503103d0fbe9827b16ad287597c275; 9e512eaaf8f4008c44ede3dfc0fbc9d9c5118583 преди a424a34b8faddf97b5af41689087e7a230f79ba7; bbec5998d7bd349730f59c959a8b00cfff816e34; 59f751db7f392fa7a58cbd972205982f7f4f5854; 5.10.235 преди 5.10.253; 5.15.179 преди 5.15.203; 6.1.129 преди 6.1.167; 6.6.79 преди 6.6.130; 6.12.16 преди 6.12.78; 5.4.291 преди 5.5; 6.13.4 преди 6.14
• Linux Linux: 6.14; преди 6.14; 5.10.253 до 5.10.*; 5.15.203 до 5.15.*; 6.1.167 до 6.1.*; 6.6.130 до 6.6.*; 6.12.78 до 6.12.*; 6.18.20 до 6.18.*; 6.19.10 до 6.19.*; 7.0 до *

История

Други уязвимости в Linux Linux

• 8.1CVE-2026-99270
• 7.8CVE-2026-99269
• CVE-2026-99268
• CVE-2026-99266
• CVE-2026-99267

Първоизточници

• https://www.cve.org/CVERecord?id=CVE-2026-43061
• https://nvd.nist.gov/vuln/detail/CVE-2026-43061
• https://git.kernel.org/stable/c/8190f9ab6ad90cb97652adbebd238b874a4ef70d
• https://git.kernel.org/stable/c/79a19bd936bb35f56ef0ccab1b3b59ebce8c762d
• https://git.kernel.org/stable/c/f76d91271bcacbd759a2e4ee3ea61faa6a727ccf
• https://git.kernel.org/stable/c/d2719a0a9c3439abf67843a5504b7afccd9ded93
• https://git.kernel.org/stable/c/2a72403b985aea6b4aac3171830492f9a387f9e1
• https://git.kernel.org/stable/c/5f6b17562f03fc65c7d3474ef8f1959b19d1ca41
• https://git.kernel.org/stable/c/b5ad887339503103d0fbe9827b16ad287597c275
• https://git.kernel.org/stable/c/a424a34b8faddf97b5af41689087e7a230f79ba7