{"dataType": "CVE_RECORD", "dataVersion": "5.2", "cveMetadata": {"cveId": "CVE-2026-72013", "assignerOrgId": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "state": "PUBLISHED", "assignerShortName": "Linux", "dateReserved": "2026-08-09T03:40:39.899Z", "datePublished": "2026-08-15T05:51:41.982Z", "dateUpdated": "2026-08-15T05:51:41.982Z"}, "containers": {"cna": {"providerMetadata": {"orgId": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "shortName": "Linux", "dateUpdated": "2026-08-15T05:51:41.982Z"}, "descriptions": [{"lang": "en", "value": "In the Linux kernel, the following vulnerability has been resolved:\n\nriscv: Prevent NULL pointer dereference in machine_kexec_prepare()\n\nA NULL pointer dereference issue is noticed in riscv's\nmachine_kexec_prepare(), where image->segment[i].buf might be NULL and\ncopied unchecked.\n\nThe NULL buf comes from ima_add_kexec_buffer(), where kbuf is added by\nkexec_add_buffer(), but kbuf.buffer is NULL, then it is copied without\na check in machine_kexec_prepare():\n\n kexec_file_load\n -> kimage_file_alloc_init()\n -> kimage_file_prepare_segments()\n -> ima_add_kexec_buffer()\n -> kexec_add_buffer()\n -> machine_kexec_prepare()\n -> memcpy()\n\nAddress this by adding a check before the data copy attempt."}], "affected": [{"product": "Linux", "vendor": "Linux", "defaultStatus": "unaffected", "repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git", "programFiles": ["arch/riscv/kernel/machine_kexec.c"], "versions": [{"version": "4211742f0f9e083188f4f0ada00d6eeeef31b7c7", "lessThan": "606cc45e871e34b80a2f63874f069387a5b44176", "status": "affected", "versionType": "git"}, {"version": "b7fb4d78a6ade6026d9e5cf438c2a46ab962e032", "lessThan": "c462e15497dc40abe369b3be7a2c91ac5d1be6f9", "status": "affected", "versionType": "git"}, {"version": "b7fb4d78a6ade6026d9e5cf438c2a46ab962e032", "lessThan": "b5f92cc4e24a298bf390b0b189a4b888c0900161", "status": "affected", "versionType": "git"}, {"version": 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"semver"}, {"version": "5.18.4", "lessThan": "5.19", "status": "affected", "versionType": "semver"}]}, {"product": "Linux", "vendor": "Linux", "defaultStatus": "affected", "repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git", "programFiles": ["arch/riscv/kernel/machine_kexec.c"], "versions": [{"version": "5.19", "status": "affected"}, {"version": "0", "lessThan": "5.19", "status": "unaffected", "versionType": "semver"}, {"version": "5.15.212", "lessThanOrEqual": "5.15.*", "status": "unaffected", "versionType": "semver"}, {"version": "6.1.178", "lessThanOrEqual": "6.1.*", "status": "unaffected", "versionType": "semver"}, {"version": "6.6.145", "lessThanOrEqual": "6.6.*", "status": "unaffected", "versionType": "semver"}, {"version": "6.12.97", "lessThanOrEqual": "6.12.*", "status": "unaffected", "versionType": "semver"}, {"version": "6.18.40", "lessThanOrEqual": "6.18.*", "status": "unaffected", "versionType": "semver"}, {"version": "7.1.5", "lessThanOrEqual": "7.1.*", "status": "unaffected", "versionType": "semver"}, {"version": "7.2-rc3", "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": "5.15.47", "versionEndExcluding": "5.15.212"}, {"vulnerable": true, "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*", "versionStartIncluding": "5.19", "versionEndExcluding": "6.1.178"}, {"vulnerable": true, "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*", "versionStartIncluding": "5.19", "versionEndExcluding": "6.6.145"}, {"vulnerable": true, "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*", "versionStartIncluding": "5.19", "versionEndExcluding": "6.12.97"}, {"vulnerable": true, "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*", "versionStartIncluding": "5.19", "versionEndExcluding": 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"https://git.kernel.org/stable/c/d5b2752a17efc165793ae38f2c24b5ed9c04ffde"}, {"url": "https://git.kernel.org/stable/c/81bbcff0c053c4f5c711c31a9b72fc492bd96c3f"}], "title": "riscv: Prevent NULL pointer dereference in machine_kexec_prepare()", "x_generator": {"engine": "bippy-1.2.0"}}}}

{}

{"affected": [{"affectedData": [{"defaultStatus": "unaffected", "product": "Linux", "programFiles": ["arch/riscv/kernel/machine_kexec.c"], "repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git", "vendor": "Linux", "versions": [{"lessThan": "606cc45e871e34b80a2f63874f069387a5b44176", "status": "affected", "version": "4211742f0f9e083188f4f0ada00d6eeeef31b7c7", "versionType": "git"}, {"lessThan": "c462e15497dc40abe369b3be7a2c91ac5d1be6f9", "status": "affected", "version": "b7fb4d78a6ade6026d9e5cf438c2a46ab962e032", "versionType": "git"}, {"lessThan": "b5f92cc4e24a298bf390b0b189a4b888c0900161", "status": "affected", "version": "b7fb4d78a6ade6026d9e5cf438c2a46ab962e032", "versionType": "git"}, {"lessThan": "6ad6954492697681ebcfc1beb0eb384406cd4b65", "status": "affected", "version": "b7fb4d78a6ade6026d9e5cf438c2a46ab962e032", "versionType": "git"}, {"lessThan": "eadd0c2c76aee6a738f17f251434c77db3c606c8", "status": "affected", "version": "b7fb4d78a6ade6026d9e5cf438c2a46ab962e032", "versionType": "git"}, {"lessThan": "d5b2752a17efc165793ae38f2c24b5ed9c04ffde", "status": "affected", "version": "b7fb4d78a6ade6026d9e5cf438c2a46ab962e032", "versionType": "git"}, {"lessThan": "81bbcff0c053c4f5c711c31a9b72fc492bd96c3f", "status": "affected", "version": "b7fb4d78a6ade6026d9e5cf438c2a46ab962e032", "versionType": "git"}, {"status": "affected", "version": "3ca8a07f141fd8eec347a82bdfa4b94164f2bb97", "versionType": "git"}, {"status": "affected", "version": "3ba83e46b591381e718007f55c9f831fd0cd7ee8", "versionType": "git"}, {"lessThan": "5.15.212", "status": "affected", "version": "5.15.47", "versionType": "semver"}, {"lessThan": "5.18", "status": "affected", "version": "5.17.15", "versionType": "semver"}, {"lessThan": "5.19", "status": "affected", "version": "5.18.4", "versionType": "semver"}]}, {"defaultStatus": "affected", "product": "Linux", "programFiles": ["arch/riscv/kernel/machine_kexec.c"], "repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git", "vendor": "Linux", "versions": [{"status": "affected", "version": "5.19"}, {"lessThan": "5.19", "status": "unaffected", "version": "0", "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-rc3", "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\nriscv: Prevent NULL pointer dereference in machine_kexec_prepare()\n\nA NULL pointer dereference issue is noticed in riscv's\nmachine_kexec_prepare(), where image->segment[i].buf might be NULL and\ncopied unchecked.\n\nThe NULL buf comes from ima_add_kexec_buffer(), where kbuf is added by\nkexec_add_buffer(), but kbuf.buffer is NULL, then it is copied without\na check in machine_kexec_prepare():\n\n kexec_file_load\n -> kimage_file_alloc_init()\n -> kimage_file_prepare_segments()\n -> ima_add_kexec_buffer()\n -> kexec_add_buffer()\n -> machine_kexec_prepare()\n -> memcpy()\n\nAddress this by adding a check before the data copy attempt."}], "id": "CVE-2026-72013", "lastModified": "2026-08-15T06:21:00.033", "metrics": {}, "published": "2026-08-15T06:21:00.033", "references": [{"source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "url": "https://git.kernel.org/stable/c/606cc45e871e34b80a2f63874f069387a5b44176"}, {"source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "url": "https://git.kernel.org/stable/c/6ad6954492697681ebcfc1beb0eb384406cd4b65"}, {"source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "url": "https://git.kernel.org/stable/c/81bbcff0c053c4f5c711c31a9b72fc492bd96c3f"}, {"source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "url": "https://git.kernel.org/stable/c/b5f92cc4e24a298bf390b0b189a4b888c0900161"}, {"source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "url": "https://git.kernel.org/stable/c/c462e15497dc40abe369b3be7a2c91ac5d1be6f9"}, {"source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "url": "https://git.kernel.org/stable/c/d5b2752a17efc165793ae38f2c24b5ed9c04ffde"}, {"source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "url": "https://git.kernel.org/stable/c/eadd0c2c76aee6a738f17f251434c77db3c606c8"}], "sourceIdentifier": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "vulnStatus": "Received"}

{}

{"affected": [{"configurations": [{"platform": null, "status": "affected", "versions": {"scheme": "code_commit", "value": "[4211742f0f9e083188f4f0ada00d6eeeef31b7c7,606cc45e871e34b80a2f63874f069387a5b44176)"}}, {"platform": null, "status": "affected", "versions": {"scheme": "code_commit", "value": "[b7fb4d78a6ade6026d9e5cf438c2a46ab962e032,c462e15497dc40abe369b3be7a2c91ac5d1be6f9)"}}, {"platform": null, "status": "affected", "versions": {"scheme": "code_commit", "value": "[b7fb4d78a6ade6026d9e5cf438c2a46ab962e032,b5f92cc4e24a298bf390b0b189a4b888c0900161)"}}, {"platform": null, "status": "affected", "versions": {"scheme": "code_commit", "value": "[b7fb4d78a6ade6026d9e5cf438c2a46ab962e032,6ad6954492697681ebcfc1beb0eb384406cd4b65)"}}, {"platform": null, "status": "affected", "versions": {"scheme": "code_commit", "value": "[b7fb4d78a6ade6026d9e5cf438c2a46ab962e032,eadd0c2c76aee6a738f17f251434c77db3c606c8)"}}, {"platform": null, "status": "affected", "versions": {"scheme": "code_commit", "value": "[b7fb4d78a6ade6026d9e5cf438c2a46ab962e032,d5b2752a17efc165793ae38f2c24b5ed9c04ffde)"}}, {"platform": null, "status": "affected", "versions": {"scheme": "code_commit", "value": "[b7fb4d78a6ade6026d9e5cf438c2a46ab962e032,81bbcff0c053c4f5c711c31a9b72fc492bd96c3f)"}}, {"platform": null, "status": "affected", "versions": {"scheme": "code_commit", "value": "3ca8a07f141fd8eec347a82bdfa4b94164f2bb97"}}, {"platform": null, "status": "affected", "versions": {"scheme": "code_commit", "value": "3ba83e46b591381e718007f55c9f831fd0cd7ee8"}}, {"platform": null, "status": "affected", "versions": {"scheme": "semver", "value": "[5.15.47,5.15.212)"}}, {"platform": null, "status": "affected", "versions": {"scheme": "generic", "value": "[5.17.15,5.18)"}}, {"platform": null, "status": "affected", "versions": {"scheme": "generic", "value": "[5.18.4,5.19)"}}], "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": "5.19"}}, {"platform": null, "status": "unaffected", "versions": {"scheme": "generic", "value": "[0,5.19)"}}, {"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": "2026-08-15T09:15:04.422134+00:00", "updated": "2026-08-15T21:15:03.165262+00:00", "vendors": ["linux", "linux$PRODUCT$linux_kernel"], "weaknesses": ["CWE-476"]}