CVE-2026-80867None▾ SunlitIn the Linux kernel, the following vulnerability has been resolved: alpha/PCI: Add security_locked_down() check to pci_mmap_resource() Currently, Alpha's pci_mmap_resource() does not check security_locked_down(LOCKDOWN_PCI_ACCESS) befo…
▾ Sunlit zone — Low / medium · no exploitation signal
impact 2.8 · likelihood 0 · exploitation 0
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Stakeholder-Specific Vulnerability Categorization from CISA's ADP record at CVE.org: whether exploitation is observed, whether an attack can be automated, and how much of the system is at stake.
Exploit-prediction probability, daily snapshots since Nov 6.
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:
alpha/PCI: Add security_locked_down() check to pci_mmap_resource()
Currently, Alpha's pci_mmap_resource() does not check security_locked_down(LOCKDOWN_PCI_ACCESS) before allowing userspace to mmap PCI BARs.
The generic version has had this check since commit eb627e17727e ("PCI: Lock down BAR access when the kernel is locked down") to prevent DMA attacks when the kernel is locked down.
Add the same check to Alpha's pci_mmap_resource().
Linux >= eb627e17727ebeede70697ae1798688b0d328b54 < 6e368485a1ac19fbde0a8b6a332d4545ae72a8acLinux >= eb627e17727ebeede70697ae1798688b0d328b54 < ed2cd1fee0ed16a1c2dff49175e65c641eb8ae2bLinux >= eb627e17727ebeede70697ae1798688b0d328b54 < c3234efe21d4198945492cf7dba6859476f0f6ffLinux >= eb627e17727ebeede70697ae1798688b0d328b54 < 4de5ff924c0a8ef8166c1a68af9087826e1e8d61Linux >= eb627e17727ebeede70697ae1798688b0d328b54 < 85f966b1120874fe530edec50d28373ceb06ebcdLinux >= eb627e17727ebeede70697ae1798688b0d328b54 < 94defb18ac792fd16407d5a52ad0d3f5055c4b43Linux >= eb627e17727ebeede70697ae1798688b0d328b54 < 257b55dc3d18d7ef01f62a8ff7317871f7597e28Linux >= eb627e17727ebeede70697ae1798688b0d328b54 < 78a228f0aa0e9eba31955950c8a40a9945e2c8bbLinux 5.4Refer to the linked advisories for vendor-supplied fixes and affected version ranges.
Connected by shared product, vendor, weakness, or advisory.
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