CVE-2026-68319

{"dataType": "CVE_RECORD", "dataVersion": "5.2", "cveMetadata": {"cveId": "CVE-2026-68319", "assignerOrgId": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "state": "PUBLISHED", "assignerShortName": "Linux", "dateReserved": "2026-07-30T09:28:09.382Z", "datePublished": "2026-08-10T12:02:54.173Z", "dateUpdated": "2026-08-17T05:03:16.659Z"}, "containers": {"cna": {"providerMetadata": {"orgId": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "shortName": "Linux", "dateUpdated": "2026-08-17T05:03:16.659Z"}, "descriptions": [{"lang": "en", "value": "In the Linux kernel, the following vulnerability has been resolved:\n\npds_core: fix deadlock between reset thread and remove\n\npci_reset_function() acquires device_lock before performing the reset.\npdsc_remove() is called by the PCI core with device_lock already held.\nIf pdsc_pci_reset_thread() is running when pdsc_remove() is called,\ndestroy_workqueue() will block waiting for the work to complete, while\nthe work is blocked waiting for device_lock - deadlock.\n\nUse pci_try_reset_function() which uses pci_dev_trylock() internally.\nThis acquires both the device lock and the PCI config access lock\nwithout blocking - if either lock is contended, it returns -EAGAIN\nimmediately. This avoids the deadlock while also ensuring proper\nconfig space access serialization during the reset.\n\nThe pci_dev_get/put calls are also removed as they were unnecessary -\nthe driver-owned workqueue is destroyed in pdsc_remove(), guaranteeing\nthe work completes before remove returns. The PCI core holds its\nreference to pci_dev throughout the entire unbind sequence."}], "affected": [{"product": "Linux", "vendor": "Linux", "defaultStatus": "unaffected", "repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git", "programFiles": ["drivers/net/ethernet/amd/pds_core/core.c"], "versions": [{"version": "81665adf25d28a00a986533f1d3a5df76b79cad9", "lessThan": "90d9f3ef28843e6c35149324b8eefb427a7435c2", "status": "affected", "versionType": "git"}, {"version": "81665adf25d28a00a986533f1d3a5df76b79cad9", "lessThan": "19ef775c91c6bf4bd2b60f6616f4e28b621cdd6a", "status": "affected", "versionType": "git"}, {"version": "81665adf25d28a00a986533f1d3a5df76b79cad9", "lessThan": "54f905821f26d385fba407a920b51f0a752c76dc", "status": "affected", "versionType": "git"}, {"version": "81665adf25d28a00a986533f1d3a5df76b79cad9", "lessThan": "ab0eec0ff0a421737a37f510ceab5c6ea59cd05a", "status": "affected", "versionType": "git"}, {"version": "38407914d48273d7f8ab765b9243658afe1c3ab6", "status": "affected", "versionType": "git"}, {"version": "6.8.7", "lessThan": "6.9", "status": "affected", "versionType": "semver"}]}, {"product": "Linux", "vendor": "Linux", "defaultStatus": "affected", "repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git", "programFiles": ["drivers/net/ethernet/amd/pds_core/core.c"], "versions": [{"version": "6.9", "status": "affected"}, {"version": "0", "lessThan": "6.9", "status": "unaffected", "versionType": "semver"}, {"version": "6.12.101", "lessThanOrEqual": "6.12.*", "status": "unaffected", "versionType": "semver"}, {"version": "6.18.42", "lessThanOrEqual": "6.18.*", "status": "unaffected", "versionType": "semver"}, {"version": "7.1.6", "lessThanOrEqual": "7.1.*", "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": "6.9", "versionEndExcluding": "6.12.101"}, {"vulnerable": true, "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*", "versionStartIncluding": "6.9", "versionEndExcluding": "6.18.42"}, {"vulnerable": true, "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*", "versionStartIncluding": "6.9", "versionEndExcluding": "7.1.6"}, {"vulnerable": true, "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*", "versionStartIncluding": "6.9", "versionEndExcluding": "7.2"}, {"vulnerable": true, "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*", "versionStartIncluding": "6.8.7"}]}]}], "references": [{"url": "https://git.kernel.org/stable/c/90d9f3ef28843e6c35149324b8eefb427a7435c2"}, {"url": "https://git.kernel.org/stable/c/19ef775c91c6bf4bd2b60f6616f4e28b621cdd6a"}, {"url": "https://git.kernel.org/stable/c/54f905821f26d385fba407a920b51f0a752c76dc"}, {"url": "https://git.kernel.org/stable/c/ab0eec0ff0a421737a37f510ceab5c6ea59cd05a"}], "title": "pds_core: fix deadlock between reset thread and remove", "x_generator": {"engine": "bippy-1.2.0"}}}}

{}

{"affected": [{"affectedData": [{"defaultStatus": "unaffected", "product": "Linux", "programFiles": ["drivers/net/ethernet/amd/pds_core/core.c"], "repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git", "vendor": "Linux", "versions": [{"lessThan": "90d9f3ef28843e6c35149324b8eefb427a7435c2", "status": "affected", "version": "81665adf25d28a00a986533f1d3a5df76b79cad9", "versionType": "git"}, {"lessThan": "19ef775c91c6bf4bd2b60f6616f4e28b621cdd6a", "status": "affected", "version": "81665adf25d28a00a986533f1d3a5df76b79cad9", "versionType": "git"}, {"lessThan": "54f905821f26d385fba407a920b51f0a752c76dc", "status": "affected", "version": "81665adf25d28a00a986533f1d3a5df76b79cad9", "versionType": "git"}, {"lessThan": "ab0eec0ff0a421737a37f510ceab5c6ea59cd05a", "status": "affected", "version": "81665adf25d28a00a986533f1d3a5df76b79cad9", "versionType": "git"}, {"status": "affected", "version": "38407914d48273d7f8ab765b9243658afe1c3ab6", "versionType": "git"}, {"lessThan": "6.9", "status": "affected", "version": "6.8.7", "versionType": "semver"}]}, {"defaultStatus": "affected", "product": "Linux", "programFiles": ["drivers/net/ethernet/amd/pds_core/core.c"], "repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git", "vendor": "Linux", "versions": [{"status": "affected", "version": "6.9"}, {"lessThan": "6.9", "status": "unaffected", "version": "0", "versionType": "semver"}, {"lessThanOrEqual": "6.12.*", "status": "unaffected", "version": "6.12.101", "versionType": "semver"}, {"lessThanOrEqual": "6.18.*", "status": "unaffected", "version": "6.18.42", "versionType": "semver"}, {"lessThanOrEqual": "7.1.*", "status": "unaffected", "version": "7.1.6", "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\npds_core: fix deadlock between reset thread and remove\n\npci_reset_function() acquires device_lock before performing the reset.\npdsc_remove() is called by the PCI core with device_lock already held.\nIf pdsc_pci_reset_thread() is running when pdsc_remove() is called,\ndestroy_workqueue() will block waiting for the work to complete, while\nthe work is blocked waiting for device_lock - deadlock.\n\nUse pci_try_reset_function() which uses pci_dev_trylock() internally.\nThis acquires both the device lock and the PCI config access lock\nwithout blocking - if either lock is contended, it returns -EAGAIN\nimmediately. This avoids the deadlock while also ensuring proper\nconfig space access serialization during the reset.\n\nThe pci_dev_get/put calls are also removed as they were unnecessary -\nthe driver-owned workqueue is destroyed in pdsc_remove(), guaranteeing\nthe work completes before remove returns. The PCI core holds its\nreference to pci_dev throughout the entire unbind sequence."}], "id": "CVE-2026-68319", "lastModified": "2026-08-17T05:18:34.827", "metrics": {}, "published": "2026-08-10T13:20:21.933", "references": [{"source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "url": "https://git.kernel.org/stable/c/19ef775c91c6bf4bd2b60f6616f4e28b621cdd6a"}, {"source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "url": "https://git.kernel.org/stable/c/54f905821f26d385fba407a920b51f0a752c76dc"}, {"source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "url": "https://git.kernel.org/stable/c/90d9f3ef28843e6c35149324b8eefb427a7435c2"}, {"source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "url": "https://git.kernel.org/stable/c/ab0eec0ff0a421737a37f510ceab5c6ea59cd05a"}], "sourceIdentifier": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "vulnStatus": "Received"}

{"bugzilla": {"description": "kernel: Linux Kernel: Deadlock in pds_core component can lead to system unresponsiveness.", "id": "2513337", "url": "https://bugzilla.redhat.com/show_bug.cgi?id=2513337"}, "csaw": false, "cvss3": {"cvss3_base_score": "4.1", "cvss3_scoring_vector": "CVSS:3.1/AV:L/AC:H/PR:H/UI:N/S:U/C:N/I:N/A:H", "status": "draft"}, "cwe": "CWE-833", "details": ["In the Linux kernel, the following vulnerability has been resolved:\npds_core: fix deadlock between reset thread and remove\npci_reset_function() acquires device_lock before performing the reset.\npdsc_remove() is called by the PCI core with device_lock already held.\nIf pdsc_pci_reset_thread() is running when pdsc_remove() is called,\ndestroy_workqueue() will block waiting for the work to complete, while\nthe work is blocked waiting for device_lock - deadlock.\nUse pci_try_reset_function() which uses pci_dev_trylock() internally.\nThis acquires both the device lock and the PCI config access lock\nwithout blocking - if either lock is contended, it returns -EAGAIN\nimmediately. This avoids the deadlock while also ensuring proper\nconfig space access serialization during the reset.\nThe pci_dev_get/put calls are also removed as they were unnecessary -\nthe driver-owned workqueue is destroyed in pdsc_remove(), guaranteeing\nthe work completes before remove returns. The PCI core holds its\nreference to pci_dev throughout the entire unbind sequence.", "A flaw was found in the `pds_core` component of the Linux kernel. This vulnerability involves a deadlock condition that can occur when the `pci_reset_function()` and `pdsc_remove()` functions are called concurrently. This can cause the system to become unresponsive, leading to a denial of service."], "name": "CVE-2026-68319", "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": "Not affected", "package_name": "kernel", "product_name": "Red Hat Enterprise Linux 9"}, {"cpe": "cpe:/o:redhat:enterprise_linux:9", "fix_state": "Not affected", "package_name": "kernel-rt", "product_name": "Red Hat Enterprise Linux 9"}, {"cpe": "cpe:/a:redhat:enterprise_linux_nvidia:", "fix_state": "Out of support scope", "package_name": "kernel", "product_name": "Red Hat Enterprise Linux for NVIDIA 26"}, {"cpe": "cpe:/a:redhat:openshift:4", "fix_state": "Not affected", "package_name": "rhcos", "product_name": "Red Hat OpenShift Container Platform 4"}], "public_date": "2026-08-10T12:02:54Z", "references": ["https://www.cve.org/CVERecord?id=CVE-2026-68319\nhttps://nvd.nist.gov/vuln/detail/CVE-2026-68319\nhttps://git.kernel.org/stable/c/19ef775c91c6bf4bd2b60f6616f4e28b621cdd6a\nhttps://git.kernel.org/stable/c/54f905821f26d385fba407a920b51f0a752c76dc\nhttps://git.kernel.org/stable/c/90d9f3ef28843e6c35149324b8eefb427a7435c2\nhttps://git.kernel.org/stable/c/ab0eec0ff0a421737a37f510ceab5c6ea59cd05a"], "threat_severity": "Moderate"}

{"affected": [{"configurations": [{"platform": null, "status": "affected", "versions": {"scheme": "code_commit", "value": "[81665adf25d28a00a986533f1d3a5df76b79cad9,90d9f3ef28843e6c35149324b8eefb427a7435c2)"}}, {"platform": null, "status": "affected", "versions": {"scheme": "code_commit", "value": "[81665adf25d28a00a986533f1d3a5df76b79cad9,19ef775c91c6bf4bd2b60f6616f4e28b621cdd6a)"}}, {"platform": null, "status": "affected", "versions": {"scheme": "code_commit", "value": "[81665adf25d28a00a986533f1d3a5df76b79cad9,54f905821f26d385fba407a920b51f0a752c76dc)"}}, {"platform": null, "status": "affected", "versions": {"scheme": "code_commit", "value": "[81665adf25d28a00a986533f1d3a5df76b79cad9,ab0eec0ff0a421737a37f510ceab5c6ea59cd05a)"}}, {"platform": null, "status": "affected", "versions": {"scheme": "code_commit", "value": "[38407914d48273d7f8ab765b9243658afe1c3ab6,*]"}}, {"platform": null, "status": "affected", "versions": {"scheme": "semver", "value": "[6.8.7,6.9)"}}], "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": "affected", "versions": {"scheme": "semver", "value": "6.9"}}, {"platform": null, "status": "unaffected", "versions": {"scheme": "semver", "value": "[0,6.9)"}}, {"platform": null, "status": "unaffected", "versions": {"scheme": "semver", "value": "[6.12.101,7.0.0)"}}, {"platform": null, "status": "unaffected", "versions": {"scheme": "semver", "value": "[6.18.42,7.0.0)"}}, {"platform": null, "status": "unaffected", "versions": {"scheme": "semver", "value": "[7.1.6,8.0.0)"}}, {"platform": null, "status": "unaffected", "versions": {"scheme": "semver", "value": "[7.2-rc5,*]"}}], "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": "2026-08-10T15:15:04.691584+00:00", "title": "Deadlock between PCI reset thread and device removal in Linux kernel", "updated": "2026-08-13T05:00:10.827157+00:00", "vendors": ["linux", "linux$PRODUCT$linux_kernel"], "weaknesses": ["CWE-424", "CWE-833"]}