{"id":"CVE-2026-97412","published":"2026-09-24T17:17:18.847","lastModified":"2026-09-25T13:17:24.740","description":"In the Linux kernel, the following vulnerability has been resolved:\n\npds_core: quiesce DMA before freeing resources\n\npdsc_teardown() frees DMA buffers but does not disable bus mastering,\nleaving the device able to perform DMA after the buffers are freed.\nThis can lead to use-after-free if the device writes to freed memory.\n\nAdd pci_clear_master() to pdsc_teardown() to disable bus mastering\nbefore freeing resources, ensuring all DMA is quiesced.\n\nAdd pci_set_master() to pdsc_setup() to re-enable bus mastering,\nwhich is needed for the firmware recovery path since pdsc_teardown()\nnow disables it.","cvssScore":null,"cvssSeverity":null,"cvssVector":null,"cwes":[],"vendors":[],"products":[],"references":[{"url":"https://git.kernel.org/stable/c/6443f4f20bdae726fe01cf5946fba9742a0ffda6","tags":[]},{"url":"https://git.kernel.org/stable/c/9eee6b90bee3df496ed9094d9e76d5e478d72d0a","tags":[]},{"url":"https://git.kernel.org/stable/c/cc8beb70e70fc90e54efdbc1128cf7de799e6be4","tags":[]}],"exploitRefs":[],"hasPoc":false,"ai":null}