CVE-2026-97412
pds_core: quiesce DMA before freeing resources
CVSS Score
0.0
EPSS Score
0.0%
EPSS Percentile
0th
In the Linux kernel, the following vulnerability has been resolved: pds_core: quiesce DMA before freeing resources pdsc_teardown() frees DMA buffers but does not disable bus mastering, leaving the device able to perform DMA after the buffers are freed. This can lead to use-after-free if the device writes to freed memory. Add pci_clear_master() to pdsc_teardown() to disable bus mastering before freeing resources, ensuring all DMA is quiesced. Add pci_set_master() to pdsc_setup() to re-enable bus mastering, which is needed for the firmware recovery path since pdsc_teardown() now disables it.
| Vendor | linux |
| Product | linux |
| Ecosystems | |
| Industries | Technology |
| Published | Sep 24, 2026 |
| Last Updated | Oct 21, 2026 |
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Affected Versions
Linux / Linux
45d76f492938cdc27ddadc16e1e75103f4cfbf56 < 84fc3f30b87e06a11d1807cd385603522610ed40 45d76f492938cdc27ddadc16e1e75103f4cfbf56 < cc8beb70e70fc90e54efdbc1128cf7de799e6be4 45d76f492938cdc27ddadc16e1e75103f4cfbf56 < 9eee6b90bee3df496ed9094d9e76d5e478d72d0a 45d76f492938cdc27ddadc16e1e75103f4cfbf56 < 6443f4f20bdae726fe01cf5946fba9742a0ffda6
Linux / Linux
6.4
References
git.kernel.org: https://git.kernel.org/stable/c/84fc3f30b87e06a11d1807cd385603522610ed40 git.kernel.org: https://git.kernel.org/stable/c/cc8beb70e70fc90e54efdbc1128cf7de799e6be4 git.kernel.org: https://git.kernel.org/stable/c/9eee6b90bee3df496ed9094d9e76d5e478d72d0a git.kernel.org: https://git.kernel.org/stable/c/6443f4f20bdae726fe01cf5946fba9742a0ffda6