{"dataType": "CVE_RECORD", "dataVersion": "5.2", "cveMetadata": {"cveId": "CVE-2026-89452", "assignerOrgId": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "state": "PUBLISHED", "assignerShortName": "Linux", "dateReserved": "2026-09-11T19:38:34.706Z", "datePublished": "2026-09-11T19:43:17.405Z", "dateUpdated": "2026-09-11T19:43:17.405Z"}, "containers": {"cna": {"providerMetadata": {"orgId": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "shortName": "Linux", "dateUpdated": "2026-09-11T19:43:17.405Z"}, "descriptions": [{"lang": "en", "value": "In the Linux kernel, the following vulnerability has been resolved:\n\niommu/msm: Unwind probe state on registration failure\n\nmsm_iommu_probe() adds its devm-managed IOMMU object to\nqcom_iommu_devices before adding the IOMMU sysfs device and registering\nit with the IOMMU core.\n\nIf iommu_device_sysfs_add() fails, probe returns with the object still on\nqcom_iommu_devices. The driver core then releases the devm allocation,\nleaving a dangling list entry that later list walks may dereference.\n\nIf iommu_device_register() fails, the same dangling list entry remains\nand the sysfs device is left registered as well.\n\nUnwind the sysfs device and global list entry in reverse setup order on\nthe corresponding failure paths."}], "affected": [{"product": "Linux", "vendor": "Linux", "defaultStatus": "unaffected", "repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git", "programFiles": ["drivers/iommu/msm_iommu.c"], "versions": [{"version": "42df43b36163ed7d0ab13992e411093252903273", "lessThan": "f532401be9312ecd166f616bb74a65b0b4c150fa", "status": "affected", "versionType": "git"}, {"version": "42df43b36163ed7d0ab13992e411093252903273", "lessThan": "7f7074a886c4a93e3d12076ce60a510a1ebe400c", "status": "affected", "versionType": "git"}, {"version": "42df43b36163ed7d0ab13992e411093252903273", "lessThan": "535a200220ca2c83bc8bf54bd2cbe045d6ee70c4", "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/iommu/msm_iommu.c"], "versions": [{"version": "4.11", "status": "affected"}, {"version": "0", "lessThan": "4.11", "status": "unaffected", "versionType": "semver"}, {"version": "6.18.50", "lessThanOrEqual": "6.18.*", "status": "unaffected", "versionType": "semver"}, {"version": "7.2.4", "lessThanOrEqual": "7.2.*", "status": "unaffected", "versionType": "semver"}, {"version": "7.3-rc1", "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": "4.11", "versionEndExcluding": "6.18.50"}, {"vulnerable": true, "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*", "versionStartIncluding": "4.11", "versionEndExcluding": "7.2.4"}, {"vulnerable": true, "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*", "versionStartIncluding": "4.11", "versionEndExcluding": "7.3-rc1"}]}]}], "references": [{"url": "https://git.kernel.org/stable/c/f532401be9312ecd166f616bb74a65b0b4c150fa"}, {"url": "https://git.kernel.org/stable/c/7f7074a886c4a93e3d12076ce60a510a1ebe400c"}, {"url": "https://git.kernel.org/stable/c/535a200220ca2c83bc8bf54bd2cbe045d6ee70c4"}], "title": "iommu/msm: Unwind probe state on registration failure", "x_generator": {"engine": "bippy-1.2.0"}}}}

{}

{"affected": [{"affectedData": [{"defaultStatus": "unaffected", "product": "Linux", "programFiles": ["drivers/iommu/msm_iommu.c"], "repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git", "vendor": "Linux", "versions": [{"lessThan": "f532401be9312ecd166f616bb74a65b0b4c150fa", "status": "affected", "version": "42df43b36163ed7d0ab13992e411093252903273", "versionType": "git"}, {"lessThan": "7f7074a886c4a93e3d12076ce60a510a1ebe400c", "status": "affected", "version": "42df43b36163ed7d0ab13992e411093252903273", "versionType": "git"}, {"lessThan": "535a200220ca2c83bc8bf54bd2cbe045d6ee70c4", "status": "affected", "version": "42df43b36163ed7d0ab13992e411093252903273", "versionType": "git"}]}, {"defaultStatus": "affected", "product": "Linux", "programFiles": ["drivers/iommu/msm_iommu.c"], "repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git", "vendor": "Linux", "versions": [{"status": "affected", "version": "4.11"}, {"lessThan": "4.11", "status": "unaffected", "version": "0", "versionType": "semver"}, {"lessThanOrEqual": "6.18.*", "status": "unaffected", "version": "6.18.50", "versionType": "semver"}, {"lessThanOrEqual": "7.2.*", "status": "unaffected", "version": "7.2.4", "versionType": "semver"}, {"lessThanOrEqual": "*", "status": "unaffected", "version": "7.3-rc1", "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\niommu/msm: Unwind probe state on registration failure\n\nmsm_iommu_probe() adds its devm-managed IOMMU object to\nqcom_iommu_devices before adding the IOMMU sysfs device and registering\nit with the IOMMU core.\n\nIf iommu_device_sysfs_add() fails, probe returns with the object still on\nqcom_iommu_devices. The driver core then releases the devm allocation,\nleaving a dangling list entry that later list walks may dereference.\n\nIf iommu_device_register() fails, the same dangling list entry remains\nand the sysfs device is left registered as well.\n\nUnwind the sysfs device and global list entry in reverse setup order on\nthe corresponding failure paths."}], "id": "CVE-2026-89452", "lastModified": "2026-09-11T20:19:25.843", "metrics": {}, "published": "2026-09-11T20:19:25.843", "references": [{"source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "url": "https://git.kernel.org/stable/c/535a200220ca2c83bc8bf54bd2cbe045d6ee70c4"}, {"source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "url": "https://git.kernel.org/stable/c/7f7074a886c4a93e3d12076ce60a510a1ebe400c"}, {"source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "url": "https://git.kernel.org/stable/c/f532401be9312ecd166f616bb74a65b0b4c150fa"}], "sourceIdentifier": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "vulnStatus": "Received"}

{"bugzilla": {"description": "kernel: Kernel: Memory corruption vulnerability in iommu/msm component", "id": "2532496", "url": "https://bugzilla.redhat.com/show_bug.cgi?id=2532496"}, "csaw": false, "cvss3": {"cvss3_base_score": "4.4", "cvss3_scoring_vector": "CVSS:3.1/AV:L/AC:L/PR:H/UI:N/S:U/C:N/I:N/A:H", "status": "draft"}, "cwe": "CWE-825", "details": ["A flaw was found in the `iommu/msm` component of the Linux kernel. This vulnerability occurs when `msm_iommu_probe()` fails to properly unwind its probe state during registration, leaving a dangling list entry. A local attacker could potentially exploit this to cause a dereference of the dangling list entry, leading to system instability or a denial of service."], "name": "CVE-2026-89452", "public_date": "2026-09-11T19:43:17Z", "references": ["https://www.cve.org/CVERecord?id=CVE-2026-89452\nhttps://nvd.nist.gov/vuln/detail/CVE-2026-89452\nhttps://git.kernel.org/stable/c/535a200220ca2c83bc8bf54bd2cbe045d6ee70c4\nhttps://git.kernel.org/stable/c/7f7074a886c4a93e3d12076ce60a510a1ebe400c\nhttps://git.kernel.org/stable/c/f532401be9312ecd166f616bb74a65b0b4c150fa"], "threat_severity": "Moderate"}

{}