CVE-2026-97505

{"dataType": "CVE_RECORD", "dataVersion": "5.2", "cveMetadata": {"cveId": "CVE-2026-97505", "assignerOrgId": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "state": "PUBLISHED", "assignerShortName": "Linux", "dateReserved": "2026-09-24T16:01:01.151Z", "datePublished": "2026-09-24T16:04:54.215Z", "dateUpdated": "2026-10-30T12:37:07.198Z"}, "containers": {"cna": {"providerMetadata": {"orgId": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "shortName": "Linux", "dateUpdated": "2026-10-30T12:37:07.198Z"}, "descriptions": [{"lang": "en", "value": "In the Linux kernel, the following vulnerability has been resolved:\n\nPCI/sysfs: Add CAP_SYS_ADMIN check to __resource_resize_store()\n\nCurrently, the __resource_resize_store() allows writing to the\nresourceN_resize sysfs attribute to change a BAR's size without checking\nfor capabilities, currently relying only on the file access check.\n\nResizing a BAR modifies PCI device configuration and can disrupt active\ndrivers. After the upcoming conversion to static attributes, it will also\ntrigger resource file updates via sysfs_update_groups().\n\nAdd a CAP_SYS_ADMIN check to prevent unprivileged users from performing BAR\nresize operations."}], "affected": [{"product": "Linux", "vendor": "Linux", "defaultStatus": "unaffected", "repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git", "programFiles": ["drivers/pci/pci-sysfs.c"], "versions": [{"version": "91fa127794ac1c48069479b9d45eb4c7378c0e30", "lessThan": "0be4e21287e1e4865b9de498e1acc65b873f52f5", "status": "affected", "versionType": "git"}, {"version": "91fa127794ac1c48069479b9d45eb4c7378c0e30", "lessThan": "d02dd7ce8e52b66b7d3b6eca2a7d81e7f5b10a62", "status": "affected", "versionType": "git"}, {"version": "91fa127794ac1c48069479b9d45eb4c7378c0e30", "lessThan": "b722a607f858b9cd036075ea0efad553fb98e982", "status": "affected", "versionType": "git"}, {"version": "91fa127794ac1c48069479b9d45eb4c7378c0e30", "lessThan": "cbf0628c0b7db86c5ce36451f088101546acbf1d", "status": "affected", "versionType": "git"}, {"version": "91fa127794ac1c48069479b9d45eb4c7378c0e30", "lessThan": "25ec7f57deceec633f27bc93b615f951e2ade814", "status": "affected", "versionType": "git"}]}, {"product": "Linux", "vendor": "Linux", "defaultStatus": "affected", "repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git", "programFiles": ["drivers/pci/pci-sysfs.c"], "versions": [{"version": "6.1", "status": "affected"}, {"version": "0", "lessThan": "6.1", "status": "unaffected", "versionType": "semver"}, {"version": "6.1.191", "lessThanOrEqual": "6.1.*", "status": "unaffected", "versionType": "semver"}, {"version": "6.6.160", "lessThanOrEqual": "6.6.*", "status": "unaffected", "versionType": "semver"}, {"version": "6.12.111", "lessThanOrEqual": "6.12.*", "status": "unaffected", "versionType": "semver"}, {"version": "6.18.53", "lessThanOrEqual": "6.18.*", "status": "unaffected", "versionType": "semver"}, {"version": "7.2", "lessThanOrEqual": "*", "status": "unaffected", "versionType": "original_commit_for_fix"}]}], "cpeApplicability": [{"nodes": [{"operator": "OR", "negate": false, "cpeMatch": [{"vulnerable": true, "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*", "versionStartIncluding": "6.1", "versionEndExcluding": "6.1.191"}, {"vulnerable": true, "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*", "versionStartIncluding": "6.1", "versionEndExcluding": "6.6.160"}, {"vulnerable": true, "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*", "versionStartIncluding": "6.1", "versionEndExcluding": "6.12.111"}, {"vulnerable": true, "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*", "versionStartIncluding": "6.1", "versionEndExcluding": "6.18.53"}, {"vulnerable": true, "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*", "versionStartIncluding": "6.1", "versionEndExcluding": "7.2"}]}]}], "references": [{"url": "https://git.kernel.org/stable/c/0be4e21287e1e4865b9de498e1acc65b873f52f5"}, {"url": "https://git.kernel.org/stable/c/d02dd7ce8e52b66b7d3b6eca2a7d81e7f5b10a62"}, {"url": "https://git.kernel.org/stable/c/b722a607f858b9cd036075ea0efad553fb98e982"}, {"url": "https://git.kernel.org/stable/c/cbf0628c0b7db86c5ce36451f088101546acbf1d"}, {"url": "https://git.kernel.org/stable/c/25ec7f57deceec633f27bc93b615f951e2ade814"}], "title": "PCI/sysfs: Add CAP_SYS_ADMIN check to __resource_resize_store()", "x_generator": {"engine": "bippy-1.2.0"}}}}

{}

{"affected": [{"affectedData": [{"defaultStatus": "unaffected", "product": "Linux", "programFiles": ["drivers/pci/pci-sysfs.c"], "repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git", "vendor": "Linux", "versions": [{"lessThan": "0be4e21287e1e4865b9de498e1acc65b873f52f5", "status": "affected", "version": "91fa127794ac1c48069479b9d45eb4c7378c0e30", "versionType": "git"}, {"lessThan": "d02dd7ce8e52b66b7d3b6eca2a7d81e7f5b10a62", "status": "affected", "version": "91fa127794ac1c48069479b9d45eb4c7378c0e30", "versionType": "git"}, {"lessThan": "b722a607f858b9cd036075ea0efad553fb98e982", "status": "affected", "version": "91fa127794ac1c48069479b9d45eb4c7378c0e30", "versionType": "git"}, {"lessThan": "cbf0628c0b7db86c5ce36451f088101546acbf1d", "status": "affected", "version": "91fa127794ac1c48069479b9d45eb4c7378c0e30", "versionType": "git"}, {"lessThan": "25ec7f57deceec633f27bc93b615f951e2ade814", "status": "affected", "version": "91fa127794ac1c48069479b9d45eb4c7378c0e30", "versionType": "git"}]}, {"defaultStatus": "affected", "product": "Linux", "programFiles": ["drivers/pci/pci-sysfs.c"], "repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git", "vendor": "Linux", "versions": [{"status": "affected", "version": "6.1"}, {"lessThan": "6.1", "status": "unaffected", "version": "0", "versionType": "semver"}, {"lessThanOrEqual": "6.1.*", "status": "unaffected", "version": "6.1.191", "versionType": "semver"}, {"lessThanOrEqual": "6.6.*", "status": "unaffected", "version": "6.6.160", "versionType": "semver"}, {"lessThanOrEqual": "6.12.*", "status": "unaffected", "version": "6.12.111", "versionType": "semver"}, {"lessThanOrEqual": "6.18.*", "status": "unaffected", "version": "6.18.53", "versionType": "semver"}, {"lessThanOrEqual": "*", "status": "unaffected", "version": "7.2", "versionType": "original_commit_for_fix"}]}], "source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67"}], "cveTags": [], "descriptions": [{"lang": "en", "value": "In the Linux kernel, the following vulnerability has been resolved:\n\nPCI/sysfs: Add CAP_SYS_ADMIN check to __resource_resize_store()\n\nCurrently, the __resource_resize_store() allows writing to the\nresourceN_resize sysfs attribute to change a BAR's size without checking\nfor capabilities, currently relying only on the file access check.\n\nResizing a BAR modifies PCI device configuration and can disrupt active\ndrivers. After the upcoming conversion to static attributes, it will also\ntrigger resource file updates via sysfs_update_groups().\n\nAdd a CAP_SYS_ADMIN check to prevent unprivileged users from performing BAR\nresize operations."}], "id": "CVE-2026-97505", "lastModified": "2026-10-30T13:21:05.913", "metrics": {}, "published": "2026-09-24T17:17:28.310", "references": [{"source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "url": "https://git.kernel.org/stable/c/0be4e21287e1e4865b9de498e1acc65b873f52f5"}, {"source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "url": "https://git.kernel.org/stable/c/25ec7f57deceec633f27bc93b615f951e2ade814"}, {"source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "url": "https://git.kernel.org/stable/c/b722a607f858b9cd036075ea0efad553fb98e982"}, {"source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "url": "https://git.kernel.org/stable/c/cbf0628c0b7db86c5ce36451f088101546acbf1d"}, {"source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "url": "https://git.kernel.org/stable/c/d02dd7ce8e52b66b7d3b6eca2a7d81e7f5b10a62"}], "sourceIdentifier": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "vulnStatus": "Received"}

{"bugzilla": {"description": "kernel: PCI/sysfs: Add CAP_SYS_ADMIN check to __resource_resize_store()", "id": "2540503", "url": "https://bugzilla.redhat.com/show_bug.cgi?id=2540503"}, "csaw": false, "cvss3": {"cvss3_base_score": "7.0", "cvss3_scoring_vector": "CVSS:3.1/AV:L/AC:H/PR:L/UI:N/S:U/C:H/I:H/A:H", "status": "draft"}, "cwe": "CWE-1220", "details": ["In the Linux kernel, the following vulnerability has been resolved:\nPCI/sysfs: Add CAP_SYS_ADMIN check to __resource_resize_store()\nCurrently, the __resource_resize_store() allows writing to the\nresourceN_resize sysfs attribute to change a BAR's size without checking\nfor capabilities, currently relying only on the file access check.\nResizing a BAR modifies PCI device configuration and can disrupt active\ndrivers. After the upcoming conversion to static attributes, it will also\ntrigger resource file updates via sysfs_update_groups().\nAdd a CAP_SYS_ADMIN check to prevent unprivileged users from performing BAR\nresize operations.", "A flaw was found in the Linux kernel. Missing authorization checks in the PCI sysfs interface can allow a local user to cause a denial of service (DoS). The kernel fails to verify administrative capabilities when resizing a device Base Address Register (BAR), relying only on basic file access permissions. A local user with write access to the sysfs resize attribute can alter PCI device configurations, disrupting active device drivers."], "name": "CVE-2026-97505", "package_state": [{"cpe": "cpe:/o:redhat:enterprise_linux:10", "fix_state": "Affected", "package_name": "kernel", "product_name": "Red Hat Enterprise Linux 10"}, {"cpe": "cpe:/o:redhat:enterprise_linux:6", "fix_state": "Out of support scope", "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": "Affected", "package_name": "kernel", "product_name": "Red Hat Enterprise Linux 9"}, {"cpe": "cpe:/o:redhat:enterprise_linux:9", "fix_state": "Affected", "package_name": "kernel-rt", "product_name": "Red Hat Enterprise Linux 9"}, {"cpe": "cpe:/a:redhat:openshift:4", "fix_state": "Not affected", "package_name": "openshift/ose-rhel-coreos-8", "product_name": "Red Hat OpenShift Container Platform 4"}, {"cpe": "cpe:/a:redhat:openshift:4", "fix_state": "Affected", "package_name": "openshift/ose-rhel-coreos-9", "product_name": "Red Hat OpenShift Container Platform 4"}], "public_date": "2026-09-24T00:00:00Z", "references": ["https://www.cve.org/CVERecord?id=CVE-2026-97505\nhttps://nvd.nist.gov/vuln/detail/CVE-2026-97505\nhttps://git.kernel.org/pub/scm/linux/security/vulns.git/plain/cve/published/2026/CVE-2026-97505.mbox"], "threat_severity": "Moderate"}

{"affected": [{"configurations": [{"platform": null, "status": "affected", "versions": {"scheme": "code_commit", "value": "[1da177e4c3f41524e886b7f1b8a0c1fc7321cac2,b722a607f858b9cd036075ea0efad553fb98e982)"}}, {"platform": null, "status": "affected", "versions": {"scheme": "code_commit", "value": "[1da177e4c3f41524e886b7f1b8a0c1fc7321cac2,cbf0628c0b7db86c5ce36451f088101546acbf1d)"}}, {"platform": null, "status": "affected", "versions": {"scheme": "code_commit", "value": "[1da177e4c3f41524e886b7f1b8a0c1fc7321cac2,25ec7f57deceec633f27bc93b615f951e2ade814)"}}, {"platform": null, "status": "affected", "versions": {"scheme": "semver", "value": "[0,6.12.111)"}}, {"platform": null, "status": "affected", "versions": {"scheme": "semver", "value": "[0,6.18.53)"}}], "enrichment": {"confidence": 99.0, "confidence_source": "inferred", "scores": [{"score": 99.0, "source": "inferred"}, {"score": 100.0, "source": "matching"}]}, "original": {"product": "Linux", "source": "cna", "vendor": "Linux"}, "product": "linux_kernel", "vendor": "linux"}, {"configurations": [{"platform": null, "status": "unaffected", "versions": {"scheme": "semver", "value": "[6.12.111,6.13.0)"}}, {"platform": null, "status": "unaffected", "versions": {"scheme": "semver", "value": "[6.18.53,6.19.0)"}}, {"platform": null, "status": "unaffected", "versions": {"scheme": "generic", "value": "[7.2,*]"}}], "enrichment": {"confidence": 99.0, "confidence_source": "inferred", "scores": [{"score": 99.0, "source": "inferred"}, {"score": 100.0, "source": "matching"}]}, "original": {"product": "Linux", "source": "cna", "vendor": "Linux"}, "product": "linux_kernel", "vendor": "linux"}], "created": "2026-09-25T00:30:18.225168+00:00", "updated": "2026-10-01T14:00:10.341833+00:00", "vendors": ["linux", "linux$PRODUCT$linux_kernel"]}