CVE-2026-53324

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{"bugzilla": {"description": "kernel: net: mana: Use pci_name() for debugfs directory naming", "id": "2493737", "url": "https://bugzilla.redhat.com/show_bug.cgi?id=2493737"}, "csaw": false, "cvss3": {"cvss3_base_score": "5.5", "cvss3_scoring_vector": "CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H", "status": "draft"}, "details": ["In the Linux kernel, the following vulnerability has been resolved:\nnet: mana: Use pci_name() for debugfs directory naming\nUse pci_name(pdev) for the per-device debugfs directory instead of\nhardcoded \"0\" for PFs and pci_slot_name(pdev->slot) for VFs. The\nprevious approach had two issues:\n1. pci_slot_name() dereferences pdev->slot, which can be NULL for VFs\nin environments like generic VFIO passthrough or nested KVM,\ncausing a NULL pointer dereference.\n2. Multiple PFs would all use \"0\", and VFs across different PCI\ndomains or buses could share the same slot name, leading to\n-EEXIST errors from debugfs_create_dir().\npci_name(pdev) returns the unique BDF address, is always valid, and is\nunique across the system."], "name": "CVE-2026-53324", "package_state": [{"cpe": "cpe:/o:redhat:enterprise_linux:10", "fix_state": "Fix deferred", "package_name": "kernel", "product_name": "Red Hat Enterprise Linux 10"}, {"cpe": "cpe:/o:redhat:enterprise_linux:6", "fix_state": "Not affected", "package_name": "kernel", "product_name": "Red Hat Enterprise Linux 6"}, {"cpe": "cpe:/o:redhat:enterprise_linux:7", "fix_state": "Not affected", "package_name": "kernel", "product_name": "Red Hat Enterprise Linux 7"}, {"cpe": "cpe:/o:redhat:enterprise_linux:7", "fix_state": "Not affected", "package_name": "kernel-rt", "product_name": "Red Hat Enterprise Linux 7"}, {"cpe": "cpe:/o:redhat:enterprise_linux:8", "fix_state": "Not affected", "package_name": "kernel", "product_name": "Red Hat Enterprise Linux 8"}, {"cpe": "cpe:/o:redhat:enterprise_linux:8", "fix_state": "Not affected", "package_name": "kernel-rt", "product_name": "Red Hat Enterprise Linux 8"}, {"cpe": "cpe:/o:redhat:enterprise_linux:9", "fix_state": "Fix deferred", "package_name": "kernel", "product_name": "Red Hat Enterprise Linux 9"}, {"cpe": "cpe:/o:redhat:enterprise_linux:9", "fix_state": "Fix deferred", "package_name": "kernel-rt", "product_name": "Red Hat Enterprise Linux 9"}], "public_date": "2026-06-26T00:00:00Z", "references": ["https://www.cve.org/CVERecord?id=CVE-2026-53324\nhttps://nvd.nist.gov/vuln/detail/CVE-2026-53324\nhttps://lore.kernel.org/linux-cve-announce/2026062623-CVE-2026-53324-d4ab@gregkh/T"], "threat_severity": "Low"}

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