CVE-2026-72168

{"dataType": "CVE_RECORD", "dataVersion": "5.2", "cveMetadata": {"cveId": "CVE-2026-72168", "assignerOrgId": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "state": "PUBLISHED", "assignerShortName": "Linux", "dateReserved": "2026-08-09T03:40:39.910Z", "datePublished": "2026-08-15T05:53:34.868Z", "dateUpdated": "2026-10-30T12:28:53.356Z"}, "containers": {"cna": {"providerMetadata": {"orgId": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "shortName": "Linux", "dateUpdated": "2026-10-30T12:28:53.356Z"}, "descriptions": [{"lang": "en", "value": "In the Linux kernel, the following vulnerability has been resolved:\n\nmtd: maps: vmu-flash: fix fault in unaligned fixup\n\nUse kzalloc_obj() / kzalloc_objs() to allocate the memcard structs,\ninstead of kmalloc_obj() / kmalloc_objs() to prevent access to\nuninitialized data.\n\nFixes runtime error: Fault in unaligned fixup: 0000 [#1] at\nmtd_get_fact_prot_info."}], "affected": [{"product": "Linux", "vendor": "Linux", "defaultStatus": "unaffected", "repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git", "programFiles": ["drivers/mtd/maps/vmu-flash.c"], "versions": [{"version": "47a72688fae7298e1ad5fdc9bff7e04b6a549620", "lessThan": "1b38399b3f949fd631cd12c96a3857ff4313dd90", "status": "affected", "versionType": "git"}, {"version": "47a72688fae7298e1ad5fdc9bff7e04b6a549620", "lessThan": "1dc6653c47147ac754fced76b0932b8df1d2d414", "status": "affected", "versionType": "git"}, {"version": "47a72688fae7298e1ad5fdc9bff7e04b6a549620", "lessThan": "01928835d80829e615a492aa66c629b953ec7bef", "status": "affected", "versionType": "git"}, {"version": "47a72688fae7298e1ad5fdc9bff7e04b6a549620", "lessThan": "19360c25135fccb6bbafbee49a5f66baf9a311af", "status": "affected", "versionType": "git"}, {"version": "47a72688fae7298e1ad5fdc9bff7e04b6a549620", "lessThan": "455519f6b70f46ac6cbf41a75ac76ec5e59040f2", "status": "affected", "versionType": "git"}, {"version": "47a72688fae7298e1ad5fdc9bff7e04b6a549620", "lessThan": "79d1661502c6e4b6f626185cef72cf2fa78116e1", "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/mtd/maps/vmu-flash.c"], "versions": [{"version": "2.6.30", "status": "affected"}, {"version": "0", "lessThan": "2.6.30", "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": "6.12.101", "lessThanOrEqual": "6.12.*", "status": "unaffected", "versionType": "semver"}, {"version": "6.18.42", "lessThanOrEqual": "6.18.*", "status": "unaffected", "versionType": "semver"}, {"version": "7.1.5", "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": "2.6.30", "versionEndExcluding": "6.1.191"}, {"vulnerable": true, "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*", "versionStartIncluding": "2.6.30", "versionEndExcluding": "6.6.160"}, {"vulnerable": true, "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*", "versionStartIncluding": "2.6.30", "versionEndExcluding": "6.12.101"}, {"vulnerable": true, "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*", "versionStartIncluding": "2.6.30", "versionEndExcluding": "6.18.42"}, {"vulnerable": true, "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*", "versionStartIncluding": "2.6.30", "versionEndExcluding": "7.1.5"}, {"vulnerable": true, "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*", "versionStartIncluding": "2.6.30", "versionEndExcluding": "7.2"}]}]}], "references": [{"url": "https://git.kernel.org/stable/c/1b38399b3f949fd631cd12c96a3857ff4313dd90"}, {"url": "https://git.kernel.org/stable/c/1dc6653c47147ac754fced76b0932b8df1d2d414"}, {"url": "https://git.kernel.org/stable/c/01928835d80829e615a492aa66c629b953ec7bef"}, {"url": "https://git.kernel.org/stable/c/19360c25135fccb6bbafbee49a5f66baf9a311af"}, {"url": "https://git.kernel.org/stable/c/455519f6b70f46ac6cbf41a75ac76ec5e59040f2"}, {"url": "https://git.kernel.org/stable/c/79d1661502c6e4b6f626185cef72cf2fa78116e1"}], "title": "mtd: maps: vmu-flash: fix fault in unaligned fixup", "x_generator": {"engine": "bippy-1.2.0"}}}}

{}

{"affected": [{"affectedData": [{"defaultStatus": "unaffected", "product": "Linux", "programFiles": ["drivers/mtd/maps/vmu-flash.c"], "repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git", "vendor": "Linux", "versions": [{"lessThan": "1b38399b3f949fd631cd12c96a3857ff4313dd90", "status": "affected", "version": "47a72688fae7298e1ad5fdc9bff7e04b6a549620", "versionType": "git"}, {"lessThan": "1dc6653c47147ac754fced76b0932b8df1d2d414", "status": "affected", "version": "47a72688fae7298e1ad5fdc9bff7e04b6a549620", "versionType": "git"}, {"lessThan": "01928835d80829e615a492aa66c629b953ec7bef", "status": "affected", "version": "47a72688fae7298e1ad5fdc9bff7e04b6a549620", "versionType": "git"}, {"lessThan": "19360c25135fccb6bbafbee49a5f66baf9a311af", "status": "affected", "version": "47a72688fae7298e1ad5fdc9bff7e04b6a549620", "versionType": "git"}, {"lessThan": "455519f6b70f46ac6cbf41a75ac76ec5e59040f2", "status": "affected", "version": "47a72688fae7298e1ad5fdc9bff7e04b6a549620", "versionType": "git"}, {"lessThan": "79d1661502c6e4b6f626185cef72cf2fa78116e1", "status": "affected", "version": "47a72688fae7298e1ad5fdc9bff7e04b6a549620", "versionType": "git"}]}, {"defaultStatus": "affected", "product": "Linux", "programFiles": ["drivers/mtd/maps/vmu-flash.c"], "repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git", "vendor": "Linux", "versions": [{"status": "affected", "version": "2.6.30"}, {"lessThan": "2.6.30", "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": "6.12.101", "versionType": "semver"}, {"lessThanOrEqual": "6.18.*", "status": "unaffected", "version": "6.18.42", "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\nmtd: maps: vmu-flash: fix fault in unaligned fixup\n\nUse kzalloc_obj() / kzalloc_objs() to allocate the memcard structs,\ninstead of kmalloc_obj() / kmalloc_objs() to prevent access to\nuninitialized data.\n\nFixes runtime error: Fault in unaligned fixup: 0000 [#1] at\nmtd_get_fact_prot_info."}], "id": "CVE-2026-72168", "lastModified": "2026-10-30T13:19:47.923", "metrics": {}, "published": "2026-08-15T06:21:34.890", "references": [{"source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "url": "https://git.kernel.org/stable/c/01928835d80829e615a492aa66c629b953ec7bef"}, {"source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "url": "https://git.kernel.org/stable/c/19360c25135fccb6bbafbee49a5f66baf9a311af"}, {"source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "url": "https://git.kernel.org/stable/c/1b38399b3f949fd631cd12c96a3857ff4313dd90"}, {"source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "url": "https://git.kernel.org/stable/c/1dc6653c47147ac754fced76b0932b8df1d2d414"}, {"source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "url": "https://git.kernel.org/stable/c/455519f6b70f46ac6cbf41a75ac76ec5e59040f2"}, {"source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "url": "https://git.kernel.org/stable/c/79d1661502c6e4b6f626185cef72cf2fa78116e1"}], "sourceIdentifier": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "vulnStatus": "Received"}

{"bugzilla": {"description": "kernel: mtd: maps: vmu-flash: fix fault in unaligned fixup", "id": "2516687", "url": "https://bugzilla.redhat.com/show_bug.cgi?id=2516687"}, "csaw": false, "cvss3": {"cvss3_base_score": "5.5", "cvss3_scoring_vector": "CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H", "status": "draft"}, "cwe": "CWE-824", "details": ["A flaw was found in the Linux kernel's Memory Technology Device (MTD) subsystem, specifically within the `vmu-flash` driver. This vulnerability arises from incorrect memory allocation, where `kmalloc_obj()` was used instead of `kzalloc_obj()` for `memcard` structures. This can lead to access of uninitialized data, resulting in a runtime error and potentially a denial of service (DoS) for the system."], "name": "CVE-2026-72168", "package_state": [{"cpe": "cpe:/o:redhat:enterprise_linux:10", "fix_state": "Not affected", "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"}], "public_date": "2026-08-15T00:00:00Z", "references": ["https://www.cve.org/CVERecord?id=CVE-2026-72168\nhttps://nvd.nist.gov/vuln/detail/CVE-2026-72168\nhttps://lore.kernel.org/linux-cve-announce/2026081537-CVE-2026-72168-4618@gregkh/T"], "threat_severity": "Moderate"}

{"affected": [{"configurations": [{"platform": null, "status": "affected", "versions": {"scheme": "code_commit", "value": "[47a72688fae7298e1ad5fdc9bff7e04b6a549620,01928835d80829e615a492aa66c629b953ec7bef)"}}, {"platform": null, "status": "affected", "versions": {"scheme": "code_commit", "value": "[47a72688fae7298e1ad5fdc9bff7e04b6a549620,19360c25135fccb6bbafbee49a5f66baf9a311af)"}}, {"platform": null, "status": "affected", "versions": {"scheme": "code_commit", "value": "[47a72688fae7298e1ad5fdc9bff7e04b6a549620,455519f6b70f46ac6cbf41a75ac76ec5e59040f2)"}}, {"platform": null, "status": "affected", "versions": {"scheme": "code_commit", "value": "[47a72688fae7298e1ad5fdc9bff7e04b6a549620,79d1661502c6e4b6f626185cef72cf2fa78116e1)"}}], "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": "2.6.30"}}, {"platform": null, "status": "unaffected", "versions": {"scheme": "generic", "value": "[0,2.6.30)"}}, {"platform": null, "status": "unaffected", "versions": {"scheme": "semver", "value": "[6.12.101,6.13.0]"}}, {"platform": null, "status": "unaffected", "versions": {"scheme": "semver", "value": "[6.18.42,6.19.0]"}}, {"platform": null, "status": "unaffected", "versions": {"scheme": "semver", "value": "[7.1.5,7.2.0]"}}, {"platform": null, "status": "unaffected", "versions": {"scheme": "generic", "value": "[7.2-rc1,*]"}}], "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": "2026-08-15T15:15:03.095459+00:00", "updated": "2026-08-22T11:30:17.153468+00:00", "vendors": ["linux", "linux$PRODUCT$linux_kernel"]}