{"cve":"CVE-2026-53280","nvd":{"published":"2026-06-26T20:17:19.500","modified":"2026-07-08T03:58:12.227","status":"Analyzed","description":"In the Linux kernel, the following vulnerability has been resolved:\n\niommu: Fix NULL group->domain dereference in pci_dev_reset_iommu_done()\n\nLocal sashiko review pointed it out that group->domain could be NULL when\na default domain fails to allocate during the first probe, which can crash\nat domain->ops->attach_dev dereference in __iommu_attach_device() invoked\nby pci_dev_reset_iommu_done().\n\npci_dev_reset_iommu_prepare() is fine as an old_domain pointer can be NULL.\n\nSkip the re-attach in pci_dev_reset_iommu_done() to fix the bug.","cvss_v4":null,"cvss_v3":{"version":"3.1","vector":"CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H","score":5.5},"cwes":["CWE-476"],"references":["https://git.kernel.org/stable/c/17194cd0dd236e732d116d50840d795ca50ef196","https://git.kernel.org/stable/c/d769711fcddd005f1e654b3bde547140917fe696"],"products":["linux:linux_kernel"],"source":"nvd","synced_at":"2026-10-19T22:41:17.107060303+00:00"},"epss":{"cve":"CVE-2026-53280","score":0.00143,"percentile":0.03618,"date":"2026-10-31"},"kev":null,"osv":[],"attribution":["This product uses the NVD API but is not endorsed or certified by the NVD.","EPSS scores: FIRST Exploit Prediction Scoring System, https://www.first.org/epss","Known exploited vulnerabilities: CISA Known Exploited Vulnerabilities Catalog, https://www.cisa.gov/known-exploited-vulnerabilities-catalog","Package advisories: OSV (https://osv.dev), from the GitHub Advisory Database, PyPA, Go, RustSec and other ecosystem databases, under CC-BY 4.0 or CC0","CVE records: the CVE Program's CVE List (https://www.cve.org), under its terms of use (https://www.cve.org/Legal/TermsOfUse). CVE is a registered trademark of The MITRE Corporation; this product is not affiliated with the CVE Program."]}