CVE-2026-80654None▾ SunlitIn the Linux kernel, the following vulnerability has been resolved: soc: xilinx: Shutdown and free rx mailbox channel A mbox rx channel is requested using mbox_request_channel_byname() in probe. In remove callback, the rx mailbox chann…
▾ Sunlit zone — Low / medium · no exploitation signal
impact 2.8 · likelihood 0 · exploitation 0
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Disclosure to exploitation, from the record and what we observed since indexing it.
Disclosed via CVEORG
Last analysed / modified upstream
0.2%
In the Linux kernel, the following vulnerability has been resolved:
soc: xilinx: Shutdown and free rx mailbox channel
A mbox rx channel is requested using mbox_request_channel_byname() in probe. In remove callback, the rx mailbox channel is cleaned up when the rx_chan is NULL due to incorrect condition check. The mailbox channel is not shutdown and it can receive messages even after the device removal. This leads to use after free. Also the channel resources are not freed. Fix this by checking the rx_chan correctly.
Linux >= ffdbae28d9d1af70b7d63ffd7827e9795cd8d0df < 75ed49f973d790ca3111fcabd516c0b5fd0170b4Linux >= ffdbae28d9d1af70b7d63ffd7827e9795cd8d0df < b0f748c563921a7918c78e6a599cefd54de7d688Linux >= ffdbae28d9d1af70b7d63ffd7827e9795cd8d0df < a83e77d1e52c01c50096e6e97c57d34e0590d628Linux >= ffdbae28d9d1af70b7d63ffd7827e9795cd8d0df < b5d2240c2c7bc8370e7ba54a2e1fe3919f55aee5Linux >= ffdbae28d9d1af70b7d63ffd7827e9795cd8d0df < fdee7c66c0d7b6869c36b9f9a915abf29ab5b550Linux 5.6Refer to the linked advisories for vendor-supplied fixes and affected version ranges.
Connected by shared product, vendor, weakness, or advisory.
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