CVE-2026-93819
PCI: mediatek: Protect root bus removal with rescan lock
CVSS Score
0.0
EPSS Score
0.0%
EPSS Percentile
0th
In the Linux kernel, the following vulnerability has been resolved: PCI: mediatek: Protect root bus removal with rescan lock Hold the pci_rescan_remove_lock lock while stopping and removing a root bus to avoid racing with concurrent rescan or hotplug operations triggered via sysfs. Such races may lead to use-after-free issues or system crashes. [bhelgaas: commit log]
| Vendor | linux |
| Product | linux |
| Ecosystems | |
| Industries | Technology |
| Published | Sep 24, 2026 |
| Last Updated | Oct 3, 2026 |
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Affected Versions
Linux / Linux
031337ace2d1c22a447da6390716fe92592cdd6e < d54417acb22d9e8bc404a8598330bc9729ee7146 031337ace2d1c22a447da6390716fe92592cdd6e < 5dd379acfa38c516e904bcfa693502cd585a0bba 031337ace2d1c22a447da6390716fe92592cdd6e < 8d910649725955435c6a807944108bca0570712d 031337ace2d1c22a447da6390716fe92592cdd6e < 31e33dcc896527b3ad790fdc6aa6b8d2995c078b 031337ace2d1c22a447da6390716fe92592cdd6e < c57b971765f835138fa2fce3f2a171b004cbb114 031337ace2d1c22a447da6390716fe92592cdd6e < a568939487dcbc1a3e341208585e224be897e25e 031337ace2d1c22a447da6390716fe92592cdd6e < a29812a55da8d0dbeb071b26ac428c338e3fc389
Linux / Linux
4.20
References
git.kernel.org: https://git.kernel.org/stable/c/d54417acb22d9e8bc404a8598330bc9729ee7146 git.kernel.org: https://git.kernel.org/stable/c/5dd379acfa38c516e904bcfa693502cd585a0bba git.kernel.org: https://git.kernel.org/stable/c/8d910649725955435c6a807944108bca0570712d git.kernel.org: https://git.kernel.org/stable/c/31e33dcc896527b3ad790fdc6aa6b8d2995c078b git.kernel.org: https://git.kernel.org/stable/c/c57b971765f835138fa2fce3f2a171b004cbb114 git.kernel.org: https://git.kernel.org/stable/c/a568939487dcbc1a3e341208585e224be897e25e git.kernel.org: https://git.kernel.org/stable/c/a29812a55da8d0dbeb071b26ac428c338e3fc389