{"dataType": "CVE_RECORD", "dataVersion": "5.2", "cveMetadata": {"cveId": "CVE-2026-72102", "assignerOrgId": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "state": "PUBLISHED", "assignerShortName": "Linux", "dateReserved": "2026-08-09T03:40:39.905Z", "datePublished": "2026-08-15T05:52:46.200Z", "dateUpdated": "2026-10-16T15:53:21.154Z"}, "containers": {"cna": {"providerMetadata": {"orgId": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "shortName": "Linux", "dateUpdated": "2026-08-17T05:40:16.779Z"}, "descriptions": [{"lang": "en", "value": "In the Linux kernel, the following vulnerability has been resolved:\n\ndm_early_create: fix freeing used table on dm_resume failure\n\nIf dm_resume fails, the kernel attempts to free table with\ndm_table_destroy, but the table was already instantiated with\ndm_swap_table. 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failure only needs crafting dm-mod.create table parameters at boot, not real-root dm-ioctl privileges unobtainable via user namespaces.\nUI:N - The vulnerable teardown runs automatically during late_initcall once dm-mod.create is present and dm_resume fails; no victim must open files, mount filesystems, or take any interactive action beyond rebooting with the crafted boot configuration.\nS:U - The use-after-free and double-free corrupt kernel heap memory during device-mapper early boot setup within the kernel trust boundary; it does not cross VM, container, or IOMMU isolation boundaries into another security authority.\nC:H - dm_table_destroy() frees a dm_table still referenced through md->map after dm_swap_table(), creating a kernel heap use-after-free that can expose freed object contents and adjacent kernel memory to subsequent allocations and readers.\nI:H - UAF on the live dm_table enables heap grooming and corrupts destructor paths invoked during erroneous teardown (dm_table_destroy target dtr hooks, then dm_destroy __unbind), providing memory corruption primitives developable into arbitrary kernel writes or control-flow hijack.\nA:H - Freeing the active table then calling dm_destroy()/__unbind() on the same object causes double-free/use-after-free during boot cleanup, readily producing kernel panics, oopses, or unbootable systems on dm-mod.create rootfs platforms (Android/ChromeOS/embedded)."}]}], "affected": [{"product": "Linux", "vendor": "Linux", "defaultStatus": "unaffected", "repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git", "programFiles": ["drivers/md/dm-ioctl.c"], "versions": [{"version": "6bbc923dfcf57d6b97388819a7393835664c7a8e", "lessThan": "3ba377a47a093cc19647ca7f102acd33a211d472", "status": "affected", "versionType": "git"}, {"version": "6bbc923dfcf57d6b97388819a7393835664c7a8e", "lessThan": "72c3283a2abd60ecef295e02270f22ef1dfccd25", "status": "affected", "versionType": "git"}, {"version": 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failure only needs crafting dm-mod.create table parameters at boot, not real-root dm-ioctl privileges unobtainable via user namespaces.\nUI:N - The vulnerable teardown runs automatically during late_initcall once dm-mod.create is present and dm_resume fails; no victim must open files, mount filesystems, or take any interactive action beyond rebooting with the crafted boot configuration.\nS:U - The use-after-free and double-free corrupt kernel heap memory during device-mapper early boot setup within the kernel trust boundary; it does not cross VM, container, or IOMMU isolation boundaries into another security authority.\nC:H - dm_table_destroy() frees a dm_table still referenced through md->map after dm_swap_table(), creating a kernel heap use-after-free that can expose freed object contents and adjacent kernel memory to subsequent allocations and readers.\nI:H - UAF on the live dm_table enables heap grooming and corrupts destructor paths invoked during erroneous teardown (dm_table_destroy target dtr hooks, then dm_destroy __unbind), providing memory corruption primitives developable into arbitrary kernel writes or control-flow hijack.\nA:H - Freeing the active table then calling dm_destroy()/__unbind() on the same object causes double-free/use-after-free during boot cleanup, readily producing kernel panics, oopses, or unbootable systems on dm-mod.create rootfs platforms (Android/ChromeOS/embedded)."}]}], "affected": [{"product": "Linux", "vendor": "Linux", "defaultStatus": "unaffected", "repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git", "programFiles": ["drivers/md/dm-ioctl.c"], "versions": [{"version": "6bbc923dfcf57d6b97388819a7393835664c7a8e", "lessThan": "3ba377a47a093cc19647ca7f102acd33a211d472", "status": "affected", "versionType": "git"}, {"version": "6bbc923dfcf57d6b97388819a7393835664c7a8e", "lessThan": "72c3283a2abd60ecef295e02270f22ef1dfccd25", "status": "affected", "versionType": "git"}, {"version": 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{"affected": [{"affectedData": [{"defaultStatus": "unaffected", "product": "Linux", "programFiles": ["drivers/md/dm-ioctl.c"], "repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git", "vendor": "Linux", "versions": [{"lessThan": "3ba377a47a093cc19647ca7f102acd33a211d472", "status": "affected", "version": "6bbc923dfcf57d6b97388819a7393835664c7a8e", "versionType": "git"}, {"lessThan": "72c3283a2abd60ecef295e02270f22ef1dfccd25", "status": "affected", "version": "6bbc923dfcf57d6b97388819a7393835664c7a8e", "versionType": "git"}, {"lessThan": "d6066145347e14db84c35b445e309f095d0d8125", "status": "affected", "version": "6bbc923dfcf57d6b97388819a7393835664c7a8e", "versionType": "git"}, {"lessThan": "259ce9e3fc3a3f8c4e393a2072b8f34302eb4d5a", "status": "affected", "version": "6bbc923dfcf57d6b97388819a7393835664c7a8e", "versionType": "git"}, {"lessThan": "5f6500d44a912d4aed664600966706d76b81d9af", "status": "affected", "version": "6bbc923dfcf57d6b97388819a7393835664c7a8e", "versionType": "git"}, {"lessThan": "92e3c93d60be1f2425738cd66dbadac7d6bc0cd1", "status": "affected", "version": "6bbc923dfcf57d6b97388819a7393835664c7a8e", "versionType": "git"}, {"lessThan": "7d8ed7cb844df21e4d93af11250fb3a5cb861147", "status": "affected", "version": "6bbc923dfcf57d6b97388819a7393835664c7a8e", "versionType": "git"}, {"lessThan": "366665416f20527ff7cad548a32d1ddf23195740", "status": "affected", "version": "6bbc923dfcf57d6b97388819a7393835664c7a8e", "versionType": "git"}]}, {"defaultStatus": "affected", "product": "Linux", "programFiles": ["drivers/md/dm-ioctl.c"], "repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git", "vendor": "Linux", "versions": [{"status": "affected", "version": "5.1"}, {"lessThan": "5.1", "status": "unaffected", "version": "0", "versionType": "semver"}, {"lessThanOrEqual": "5.10.*", "status": "unaffected", "version": "5.10.261", "versionType": "semver"}, {"lessThanOrEqual": "5.15.*", "status": "unaffected", "version": "5.15.212", "versionType": "semver"}, {"lessThanOrEqual": "6.1.*", "status": "unaffected", "version": "6.1.178", "versionType": "semver"}, {"lessThanOrEqual": "6.6.*", "status": "unaffected", "version": "6.6.145", "versionType": "semver"}, {"lessThanOrEqual": "6.12.*", "status": "unaffected", "version": "6.12.97", "versionType": "semver"}, {"lessThanOrEqual": "6.18.*", "status": "unaffected", "version": "6.18.40", "versionType": "semver"}, {"lessThanOrEqual": "7.1.*", "status": "unaffected", "version": "7.1.5", "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\ndm_early_create: fix freeing used table on dm_resume failure\n\nIf dm_resume fails, the kernel attempts to free table with\ndm_table_destroy, but the table was already instantiated with\ndm_swap_table. This commit skips the call to dm_table_destroy in this\ncase."}], "id": "CVE-2026-72102", "lastModified": "2026-10-16T16:21:00.597", "metrics": {"cvssMetricV31": [{"cvssData": {"attackComplexity": "LOW", "attackVector": "LOCAL", "availabilityImpact": "HIGH", "baseScore": 7.8, "baseSeverity": "HIGH", "confidentialityImpact": "HIGH", "integrityImpact": "HIGH", "privilegesRequired": "LOW", "scope": "UNCHANGED", "userInteraction": "NONE", "vectorString": "CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H", "version": "3.1"}, "exploitabilityScore": 1.8, "impactScore": 5.9, "source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "type": "Secondary"}], "ssvcV203": [{"source": "134c704f-9b21-4f2e-91b3-4a467353bcc0", "ssvcData": {"id": "CVE-2026-72102", "options": [{"exploitation": "none"}, {"automatable": "no"}, {"technicalImpact": "total"}], "role": "CISA Coordinator", "timestamp": "2026-10-16T15:52:02.070823Z", "version": "2.0.3"}}]}, "published": "2026-08-15T06:21:24.340", "references": [{"source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "url": "https://git.kernel.org/stable/c/259ce9e3fc3a3f8c4e393a2072b8f34302eb4d5a"}, {"source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "url": "https://git.kernel.org/stable/c/366665416f20527ff7cad548a32d1ddf23195740"}, {"source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "url": "https://git.kernel.org/stable/c/3ba377a47a093cc19647ca7f102acd33a211d472"}, {"source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "url": "https://git.kernel.org/stable/c/5f6500d44a912d4aed664600966706d76b81d9af"}, {"source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "url": "https://git.kernel.org/stable/c/72c3283a2abd60ecef295e02270f22ef1dfccd25"}, {"source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "url": "https://git.kernel.org/stable/c/7d8ed7cb844df21e4d93af11250fb3a5cb861147"}, {"source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "url": "https://git.kernel.org/stable/c/92e3c93d60be1f2425738cd66dbadac7d6bc0cd1"}, {"source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "url": "https://git.kernel.org/stable/c/d6066145347e14db84c35b445e309f095d0d8125"}], "sourceIdentifier": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "vulnStatus": "Received"}

{"bugzilla": {"description": "kernel: dm_early_create: fix freeing used table on dm_resume failure", "id": "2516490", "url": "https://bugzilla.redhat.com/show_bug.cgi?id=2516490"}, "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-1341", "details": ["A flaw was found in the Linux kernel's device mapper (DM) subsystem. During certain resume operations, the kernel might attempt to free a memory table that has already been released. This error, known as a double-free vulnerability, can lead to memory corruption. A successful exploit could result in a system crash, causing a denial of service."], "name": "CVE-2026-72102", "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"}], "public_date": "2026-08-15T00:00:00Z", "references": ["https://www.cve.org/CVERecord?id=CVE-2026-72102\nhttps://nvd.nist.gov/vuln/detail/CVE-2026-72102\nhttps://lore.kernel.org/linux-cve-announce/2026081525-CVE-2026-72102-cdcd@gregkh/T"], "threat_severity": "Moderate"}

{"affected": [{"configurations": [{"platform": null, "status": "affected", "versions": {"scheme": "code_commit", "value": "[6bbc923dfcf57d6b97388819a7393835664c7a8e,3ba377a47a093cc19647ca7f102acd33a211d472)"}}, {"platform": null, "status": "affected", "versions": {"scheme": "code_commit", "value": "[6bbc923dfcf57d6b97388819a7393835664c7a8e,72c3283a2abd60ecef295e02270f22ef1dfccd25)"}}, {"platform": null, "status": "affected", "versions": {"scheme": "code_commit", "value": "[6bbc923dfcf57d6b97388819a7393835664c7a8e,d6066145347e14db84c35b445e309f095d0d8125)"}}, {"platform": null, "status": "affected", "versions": {"scheme": "code_commit", "value": "[6bbc923dfcf57d6b97388819a7393835664c7a8e,259ce9e3fc3a3f8c4e393a2072b8f34302eb4d5a)"}}, {"platform": null, "status": "affected", "versions": {"scheme": "code_commit", "value": "[6bbc923dfcf57d6b97388819a7393835664c7a8e,5f6500d44a912d4aed664600966706d76b81d9af)"}}, {"platform": null, "status": "affected", "versions": {"scheme": "code_commit", "value": "[6bbc923dfcf57d6b97388819a7393835664c7a8e,92e3c93d60be1f2425738cd66dbadac7d6bc0cd1)"}}, {"platform": null, "status": "affected", "versions": {"scheme": "code_commit", "value": "[6bbc923dfcf57d6b97388819a7393835664c7a8e,7d8ed7cb844df21e4d93af11250fb3a5cb861147)"}}, {"platform": null, "status": "affected", "versions": {"scheme": "code_commit", "value": "[6bbc923dfcf57d6b97388819a7393835664c7a8e,366665416f20527ff7cad548a32d1ddf23195740)"}}], "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": "generic", "value": "5.1"}}, {"platform": null, "status": "unaffected", "versions": {"scheme": "generic", "value": "[0,5.1)"}}, {"platform": null, "status": "unaffected", "versions": {"scheme": "generic", "value": "[5.10.261,5.10.*]"}}, {"platform": null, "status": "unaffected", "versions": {"scheme": "generic", "value": "[5.15.212,5.15.*]"}}, {"platform": null, "status": "unaffected", "versions": {"scheme": "generic", "value": "[6.1.178,6.1.*]"}}, {"platform": null, "status": "unaffected", "versions": {"scheme": "generic", "value": "[6.6.145,6.6.*]"}}, {"platform": null, "status": "unaffected", "versions": {"scheme": "generic", "value": "[6.12.97,6.12.*]"}}, {"platform": null, "status": "unaffected", "versions": {"scheme": "generic", "value": "[6.18.40,6.18.*]"}}, {"platform": null, "status": "unaffected", "versions": {"scheme": "generic", "value": "[7.1.5,7.1.*]"}}, {"platform": null, "status": "unaffected", "versions": {"scheme": "generic", "value": "[7.2-rc3,*]"}}], "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": "2026-08-15T15:45:06.625284+00:00", "updated": "2026-08-18T05:00:09.164425+00:00", "vendors": ["linux", "linux$PRODUCT$linux_kernel"]}