Threats Tagged 'cve-2026-74691'
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Threats Tagged 'cve-2026-74691'
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In the Linux kernel, the following vulnerability has been resolved: net: thunderbolt: Tear down DMA paths before stopping the rings… (CVE-2026-74691)CVE-2026-74691 0 A vulnerability in the Linux kernel's thunderbolt network driver (tbnet) involves an incorrect teardown sequence of DMA paths and rings. The teardown process stops rings and frees buffers before disabling DMA paths, causing the 'pending' bit to never clear on some hardware, leading to timeouts and eventual loss of the XDomain control channel. This can cause the peer node to become unreachable until a power cycle is performed. The issue is fixed by changing the teardown order to deactivate DMA paths before stopping the rings. Join the discussion | GCVE Database | 08/22/2026, 18:30:29 UTC Added: 08/22/2026, 22:51:29 UTC |
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