CVE-2026-93819
N/A
N/A
Summary
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]
Affected Software
| Vendor | Product | Version Range | Status |
|---|---|---|---|
| Linux | Linux | 031337ace2d1c22a447da6390716fe92592cdd6e < c57b971765f835138fa2fce3f2a171b004cbb114 | affected |
| Linux | Linux | 031337ace2d1c22a447da6390716fe92592cdd6e < a568939487dcbc1a3e341208585e224be897e25e | affected |
| Linux | Linux | 031337ace2d1c22a447da6390716fe92592cdd6e < a29812a55da8d0dbeb071b26ac428c338e3fc389 | affected |
| Linux | Linux | 4.20 | affected |
| Linux | Linux | 0 < 4.20 | unaffected |
| Linux | Linux | 6.12.111 <= 6.12.* | unaffected |
| Linux | Linux | 6.18.53 <= 6.18.* | unaffected |
| Linux | Linux | 7.2 <= * | unaffected |
Weaknesses
References
- https://git.kernel.org/stable/c/c57b971765f835138fa2fce3f2a171b004cbb114
- https://git.kernel.org/stable/c/a568939487dcbc1a3e341208585e224be897e25e
- https://git.kernel.org/stable/c/a29812a55da8d0dbeb071b26ac428c338e3fc389
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