{"dataType": "CVE_RECORD", "dataVersion": "5.2", "cveMetadata": {"cveId": "CVE-2026-80723", "assignerOrgId": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "state": "PUBLISHED", "assignerShortName": "Linux", "dateReserved": "2026-08-26T14:34:25.788Z", "datePublished": "2026-08-28T06:53:18.485Z", "dateUpdated": "2026-08-28T06:53:18.485Z"}, "containers": {"cna": {"providerMetadata": {"orgId": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "shortName": "Linux", "dateUpdated": "2026-08-28T06:53:18.485Z"}, "descriptions": [{"lang": "en", "value": "In the Linux kernel, the following vulnerability has been resolved:\n\nof: reserved_mem: prevent OOB when too many dynamic regions are defined\n\nOn boot, fdt_scan_reserved_mem() saves each dynamically-placed\n/reserved-memory subnode into a local array of size\nMAX_RESERVED_REGIONS.\n\nIf the device tree defines more than MAX_RESERVED_REGIONS\ndynamically-placed regions, fdt_scan_reserved_mem() writes past the\nend of the local array.\n\nAdd a bounds check that logs an error and skips the excess regions,\nrestoring the original behavior."}], "affected": [{"product": "Linux", "vendor": "Linux", "defaultStatus": "unaffected", "repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git", "programFiles": ["drivers/of/of_reserved_mem.c"], "versions": [{"version": "9a0fe62f93ede02c27aaca81112af1e59c8c0979", "lessThan": "68d27250c9e81ab7764603e346c2b1017cb53adf", "status": "affected", "versionType": "git"}, {"version": "8a6e02d0c00e7b62e6acb74146878bb91e9e7e31", "lessThan": "cfa7e2734877330d6c10e0f33953905486c4530c", "status": "affected", "versionType": "git"}, {"version": "8a6e02d0c00e7b62e6acb74146878bb91e9e7e31", "lessThan": "de8ccbd6bf4efe7a059e2c483789936009e10f42", "status": "affected", "versionType": "git"}, {"version": "8a6e02d0c00e7b62e6acb74146878bb91e9e7e31", "lessThan": "db3dbdfea1b8f38774419c5c2c14e4b81c48708d", "status": "affected", "versionType": "git"}, {"version": "6.12.13", "lessThan": "6.12.103", "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/of/of_reserved_mem.c"], "versions": [{"version": "6.13", "status": "affected"}, {"version": "0", "lessThan": "6.13", "status": "unaffected", "versionType": "semver"}, {"version": "6.12.103", "lessThanOrEqual": "6.12.*", "status": "unaffected", "versionType": "semver"}, {"version": "6.18.44", "lessThanOrEqual": "6.18.*", "status": "unaffected", "versionType": "semver"}, {"version": "7.1.8", "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": "6.12.13", "versionEndExcluding": "6.12.103"}, {"vulnerable": true, "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*", "versionStartIncluding": "6.13", "versionEndExcluding": "6.18.44"}, {"vulnerable": true, "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*", "versionStartIncluding": "6.13", "versionEndExcluding": "7.1.8"}, {"vulnerable": true, "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*", "versionStartIncluding": "6.13", "versionEndExcluding": "7.2"}]}]}], "references": [{"url": "https://git.kernel.org/stable/c/68d27250c9e81ab7764603e346c2b1017cb53adf"}, {"url": "https://git.kernel.org/stable/c/cfa7e2734877330d6c10e0f33953905486c4530c"}, {"url": "https://git.kernel.org/stable/c/de8ccbd6bf4efe7a059e2c483789936009e10f42"}, {"url": "https://git.kernel.org/stable/c/db3dbdfea1b8f38774419c5c2c14e4b81c48708d"}], "title": "of: reserved_mem: prevent OOB when too many dynamic regions are defined", "x_generator": {"engine": "bippy-1.2.0"}}}}

{}

{"affected": [{"affectedData": [{"defaultStatus": "unaffected", "product": "Linux", "programFiles": ["drivers/of/of_reserved_mem.c"], "repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git", "vendor": "Linux", "versions": [{"lessThan": "68d27250c9e81ab7764603e346c2b1017cb53adf", "status": "affected", "version": "9a0fe62f93ede02c27aaca81112af1e59c8c0979", "versionType": "git"}, {"lessThan": "cfa7e2734877330d6c10e0f33953905486c4530c", "status": "affected", "version": "8a6e02d0c00e7b62e6acb74146878bb91e9e7e31", "versionType": "git"}, {"lessThan": "de8ccbd6bf4efe7a059e2c483789936009e10f42", "status": "affected", "version": "8a6e02d0c00e7b62e6acb74146878bb91e9e7e31", "versionType": "git"}, {"lessThan": "db3dbdfea1b8f38774419c5c2c14e4b81c48708d", "status": "affected", "version": "8a6e02d0c00e7b62e6acb74146878bb91e9e7e31", "versionType": "git"}, {"lessThan": "6.12.103", "status": "affected", "version": "6.12.13", "versionType": "semver"}]}, {"defaultStatus": "affected", "product": "Linux", "programFiles": ["drivers/of/of_reserved_mem.c"], "repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git", "vendor": "Linux", "versions": [{"status": "affected", "version": "6.13"}, {"lessThan": "6.13", "status": "unaffected", "version": "0", "versionType": "semver"}, {"lessThanOrEqual": "6.12.*", "status": "unaffected", "version": "6.12.103", "versionType": "semver"}, {"lessThanOrEqual": "6.18.*", "status": "unaffected", "version": "6.18.44", "versionType": "semver"}, {"lessThanOrEqual": "7.1.*", "status": "unaffected", "version": "7.1.8", "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\nof: reserved_mem: prevent OOB when too many dynamic regions are defined\n\nOn boot, fdt_scan_reserved_mem() saves each dynamically-placed\n/reserved-memory subnode into a local array of size\nMAX_RESERVED_REGIONS.\n\nIf the device tree defines more than MAX_RESERVED_REGIONS\ndynamically-placed regions, fdt_scan_reserved_mem() writes past the\nend of the local array.\n\nAdd a bounds check that logs an error and skips the excess regions,\nrestoring the original behavior."}], "id": "CVE-2026-80723", "lastModified": "2026-08-28T08:16:58.113", "metrics": {}, "published": "2026-08-28T08:16:58.113", "references": [{"source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "url": "https://git.kernel.org/stable/c/68d27250c9e81ab7764603e346c2b1017cb53adf"}, {"source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "url": "https://git.kernel.org/stable/c/cfa7e2734877330d6c10e0f33953905486c4530c"}, {"source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "url": "https://git.kernel.org/stable/c/db3dbdfea1b8f38774419c5c2c14e4b81c48708d"}, {"source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "url": "https://git.kernel.org/stable/c/de8ccbd6bf4efe7a059e2c483789936009e10f42"}], "sourceIdentifier": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "vulnStatus": "Received"}

{}

{"affected": [{"configurations": [{"platform": null, "status": "affected", "versions": {"scheme": "code_commit", "value": "[9a0fe62f93ede02c27aaca81112af1e59c8c0979,68d27250c9e81ab7764603e346c2b1017cb53adf)"}}, {"platform": null, "status": "affected", "versions": {"scheme": "code_commit", "value": "[8a6e02d0c00e7b62e6acb74146878bb91e9e7e31,cfa7e2734877330d6c10e0f33953905486c4530c)"}}, {"platform": null, "status": "affected", "versions": {"scheme": "code_commit", "value": "[8a6e02d0c00e7b62e6acb74146878bb91e9e7e31,de8ccbd6bf4efe7a059e2c483789936009e10f42)"}}, {"platform": null, "status": "affected", "versions": {"scheme": "code_commit", "value": "[8a6e02d0c00e7b62e6acb74146878bb91e9e7e31,db3dbdfea1b8f38774419c5c2c14e4b81c48708d)"}}, {"platform": null, "status": "affected", "versions": {"scheme": "semver", "value": "[6.12.13,6.12.103)"}}], "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": "6.13"}}, {"platform": null, "status": "unaffected", "versions": {"scheme": "generic", "value": "[0,6.13)"}}, {"platform": null, "status": "unaffected", "versions": {"scheme": "semver", "value": "[6.12.103,7.0.0)"}}, {"platform": null, "status": "unaffected", "versions": {"scheme": "semver", "value": "[6.18.44,7.0.0)"}}, {"platform": null, "status": "unaffected", "versions": {"scheme": "semver", "value": "[7.1.8,8.0.0)"}}, {"platform": null, "status": "unaffected", "versions": {"scheme": "generic", "value": "[7.2,*]"}}], "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": "2026-08-28T11:30:06.781807+00:00", "updated": "2026-08-28T14:15:04.110833+00:00", "vendors": ["linux", "linux$PRODUCT$linux_kernel"], "weaknesses": ["CWE-119"]}