CVE-2026-52953

{"id": "CVE-2026-52953", "cveTags": [], "metrics": {"cvssMetricV31": [{"type": "Secondary", "source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "cvssData": {"scope": "UNCHANGED", "version": "3.1", "baseScore": 7.1, "attackVector": "LOCAL", "baseSeverity": "HIGH", "vectorString": "CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:H/A:H", "integrityImpact": "HIGH", "userInteraction": "NONE", "attackComplexity": "LOW", "availabilityImpact": "HIGH", "privilegesRequired": "LOW", "confidentialityImpact": "NONE"}, "impactScore": 5.2, "exploitabilityScore": 1.8}]}, "affected": [{"source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "affectedData": [{"repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git", "vendor": "Linux", "product": "Linux", "versions": [{"status": "affected", "version": "7d0c9da6c1509664d96488042bacc02308ca33b2", "lessThan": "88397fad7914ee74a7880fa5ce01f9eb6bfe0743", "versionType": "git"}, {"status": "affected", "version": "7d0c9da6c1509664d96488042bacc02308ca33b2", "lessThan": "1e659db468476733d217c1314c1e0d9244356d6c", "versionType": "git"}, {"status": "affected", "version": "7d0c9da6c1509664d96488042bacc02308ca33b2", "lessThan": "a6dea58d8625c06b9654c0555f101742481335c3", "versionType": "git"}], "programFiles": ["drivers/iommu/intel/iommu.c"], "defaultStatus": "unaffected"}, {"repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git", "vendor": "Linux", "product": "Linux", "versions": [{"status": "affected", "version": "6.6"}, {"status": "unaffected", "version": "0", "lessThan": "6.6", "versionType": "semver"}, {"status": "unaffected", "version": "6.18.33", "versionType": "semver", "lessThanOrEqual": "6.18.*"}, {"status": "unaffected", "version": "7.0.10", "versionType": "semver", "lessThanOrEqual": "7.0.*"}, {"status": "unaffected", "version": "7.1", "versionType": "original_commit_for_fix", "lessThanOrEqual": "*"}], "programFiles": ["drivers/iommu/intel/iommu.c"], "defaultStatus": "affected"}]}], "published": "2026-06-24T17:17:05.430", "references": [{"url": "https://git.kernel.org/stable/c/1e659db468476733d217c1314c1e0d9244356d6c", "tags": ["Patch"], "source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67"}, {"url": "https://git.kernel.org/stable/c/88397fad7914ee74a7880fa5ce01f9eb6bfe0743", "tags": ["Patch"], "source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67"}, {"url": "https://git.kernel.org/stable/c/a6dea58d8625c06b9654c0555f101742481335c3", "tags": ["Patch"], "source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67"}], "vulnStatus": "Analyzed", "weaknesses": [{"type": "Primary", "source": "nvd@nist.gov", "description": [{"lang": "en", "value": "CWE-125"}]}], "descriptions": [{"lang": "en", "value": "In the Linux kernel, the following vulnerability has been resolved:\n\niommu/vt-d: Fix oops due to out of scope access\n\nBelow oops triggers when kill QEMU process:\n\n Oops: general protection fault, probably for non-canonical address 0x7fffffff844eaaa7: 0000 [#1] SMP NOPTI\n Call Trace:\n <TASK>\n do_raw_spin_lock+0xaa/0xc0\n _raw_spin_lock_irqsave+0x21/0x40\n domain_remove_dev_pasid+0x52/0x160\n intel_nested_set_dev_pasid+0x1b9/0x1e0\n __iommu_set_group_pasid+0x56/0x120\n pci_dev_reset_iommu_done+0xe3/0x180\n pcie_flr+0x65/0x160\n __pci_reset_function_locked+0x5b/0x120\n vfio_pci_core_close_device+0x63/0xe0 [vfio_pci_core]\n vfio_df_close+0x4f/0xa0\n vfio_df_unbind_iommufd+0x2d/0x60\n vfio_device_fops_release+0x3e/0x40\n __fput+0xe5/0x2c0\n task_work_run+0x58/0xa0\n do_exit+0x2c8/0x600\n do_group_exit+0x2f/0xa0\n get_signal+0x863/0x8c0\n arch_do_signal_or_restart+0x24/0x100\n exit_to_user_mode_loop+0x87/0x380\n do_syscall_64+0x2ff/0x11e0\n entry_SYSCALL_64_after_hwframe+0x76/0x7e\n\nThe global static blocked domain is a dummy domain without corresponding\ndmar_domain structure, accessing beyond iommu_domain structure triggers\noops easily. Fix it by return early in domain_remove_dev_pasid() like\nidentity domain."}], "lastModified": "2026-07-14T16:50:59.953", "configurations": [{"nodes": [{"negate": false, "cpeMatch": [{"criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*", "vulnerable": true, "matchCriteriaId": "1BABFEF2-5A75-447A-9F56-053FA97C776D", "versionEndExcluding": "6.18.33", "versionStartIncluding": "6.6"}, {"criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*", "vulnerable": true, "matchCriteriaId": "A13475D2-59BF-4716-94B5-7C1D239A2CF4", "versionEndExcluding": "7.0.10", "versionStartIncluding": "6.19"}, {"criteria": "cpe:2.3:o:linux:linux_kernel:7.1:rc1:*:*:*:*:*:*", "vulnerable": true, "matchCriteriaId": "B1EF7059-E670-45F4-B422-54C40FA86390"}, {"criteria": "cpe:2.3:o:linux:linux_kernel:7.1:rc2:*:*:*:*:*:*", "vulnerable": true, "matchCriteriaId": "0D38F0BF-A728-4133-A358-D44A2F7EE6D6"}, {"criteria": "cpe:2.3:o:linux:linux_kernel:7.1:rc3:*:*:*:*:*:*", "vulnerable": true, "matchCriteriaId": "EC732D08-5F7B-46D9-B154-E60C7F4F0A97"}], "operator": "OR"}]}], "sourceIdentifier": "416baaa9-dc9f-4396-8d5f-8c081fb06d67"}