CVE-2026-68444

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When a caller passes NULL, uuid_parse() ->\n__uuid_parse() -> uuid_is_valid() dereferences the pointer, causing\na kernel panic:\n\n | Unable to handle kernel NULL pointer dereference at virtual address\n | 0000000000000040\n | pc : uuid_parse+0x40/0xac\n | lr : ffa_partition_info_get+0x1c/0x94 [arm_ffa]\n\nAdd a NULL guard before uuid_parse() so a NULL argument returns\n-ENODEV instead of crashing. Callers are expected to always supply\na valid partition UUID, so NULL is not a supported input."}], "affected": [{"product": "Linux", "vendor": "Linux", "defaultStatus": "unaffected", "repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git", "programFiles": ["drivers/firmware/arm_ffa/driver.c"], "versions": [{"version": "d0c0bce831223b08e5bade2cefc93c3ddb790796", "lessThan": "7dfb020e3048411fbca91e9ad6174da9a2d3e2b3", "status": "affected", "versionType": "git"}, {"version": "d0c0bce831223b08e5bade2cefc93c3ddb790796", "lessThan": "ddf85f0c32e05baafbd9c3a44859858db90eec48", "status": "affected", "versionType": "git"}, {"version": "d0c0bce831223b08e5bade2cefc93c3ddb790796", "lessThan": "86f5ea90f73bb7154593bb96f3411e197f3d4fbe", "status": "affected", "versionType": "git"}, {"version": "d0c0bce831223b08e5bade2cefc93c3ddb790796", "lessThan": "7201e56e52d18abf4cd0a2fee45daf9dc08b5b97", "status": "affected", "versionType": "git"}, {"version": "d0c0bce831223b08e5bade2cefc93c3ddb790796", "lessThan": "996c5c19d5b5ac5b98a7b5a406b548305841c301", "status": "affected", "versionType": "git"}, {"version": "d0c0bce831223b08e5bade2cefc93c3ddb790796", "lessThan": "12a42c610e4432e7708cc48d607e5903fffe0aad", "status": "affected", "versionType": "git"}, {"version": "d0c0bce831223b08e5bade2cefc93c3ddb790796", "lessThan": "8ae5f8e4836667fcaffdf2e3c6068b0a8b364dd8", "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/firmware/arm_ffa/driver.c"], "versions": [{"version": "5.14", "status": "affected"}, {"version": "0", "lessThan": "5.14", "status": "unaffected", "versionType": "semver"}, {"version": "5.15.216", "lessThanOrEqual": "5.15.*", "status": "unaffected", "versionType": "semver"}, {"version": "6.1.183", "lessThanOrEqual": "6.1.*", "status": "unaffected", "versionType": "semver"}, {"version": "6.6.148", "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": "7.1.6", "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": "5.14", "versionEndExcluding": "5.15.216"}, {"vulnerable": true, "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*", "versionStartIncluding": "5.14", "versionEndExcluding": "6.1.183"}, {"vulnerable": true, "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*", "versionStartIncluding": "5.14", "versionEndExcluding": "6.6.148"}, {"vulnerable": true, "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*", "versionStartIncluding": "5.14", "versionEndExcluding": "6.12.101"}, {"vulnerable": true, "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*", "versionStartIncluding": "5.14", "versionEndExcluding": "6.18.42"}, {"vulnerable": true, "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*", "versionStartIncluding": "5.14", "versionEndExcluding": "7.1.6"}, {"vulnerable": true, "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*", "versionStartIncluding": "5.14", "versionEndExcluding": "7.2"}]}]}], "references": [{"url": "https://git.kernel.org/stable/c/7dfb020e3048411fbca91e9ad6174da9a2d3e2b3"}, {"url": "https://git.kernel.org/stable/c/ddf85f0c32e05baafbd9c3a44859858db90eec48"}, {"url": "https://git.kernel.org/stable/c/86f5ea90f73bb7154593bb96f3411e197f3d4fbe"}, {"url": "https://git.kernel.org/stable/c/7201e56e52d18abf4cd0a2fee45daf9dc08b5b97"}, {"url": "https://git.kernel.org/stable/c/996c5c19d5b5ac5b98a7b5a406b548305841c301"}, {"url": "https://git.kernel.org/stable/c/12a42c610e4432e7708cc48d607e5903fffe0aad"}, {"url": "https://git.kernel.org/stable/c/8ae5f8e4836667fcaffdf2e3c6068b0a8b364dd8"}], "title": "firmware: arm_ffa: Fix NULL dereference in ffa_partition_info_get()", "x_generator": {"engine": "bippy-1.2.0"}}, "adp": [{"metrics": [{"other": {"type": "ssvc", "content": {"id": "CVE-2026-68444", "role": "CISA Coordinator", "options": [{"Exploitation": "none"}, {"Automatable": "no"}, {"Technical Impact": "partial"}], "version": "2.0.3", "timestamp": "2026-11-06T16:49:39.218245Z"}}}], "title": "CISA ADP Vulnrichment", "providerMetadata": {"orgId": "134c704f-9b21-4f2e-91b3-4a467353bcc0", "shortName": "CISA-ADP", "dateUpdated": "2026-11-06T16:55:17.016Z"}}]}}

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When a caller passes NULL, uuid_parse() ->\n__uuid_parse() -> uuid_is_valid() dereferences the pointer, causing\na kernel panic:\n\n | Unable to handle kernel NULL pointer dereference at virtual address\n | 0000000000000040\n | pc : uuid_parse+0x40/0xac\n | lr : ffa_partition_info_get+0x1c/0x94 [arm_ffa]\n\nAdd a NULL guard before uuid_parse() so a NULL argument returns\n-ENODEV instead of crashing. Callers are expected to always supply\na valid partition UUID, so NULL is not a supported input."}], "cpeApplicability": [{"nodes": [{"negate": false, "cpeMatch": [{"criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*", "vulnerable": true, "versionEndExcluding": "5.15.216", "versionStartIncluding": "5.14"}, {"criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*", "vulnerable": true, "versionEndExcluding": "6.1.183", "versionStartIncluding": "5.14"}, {"criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*", "vulnerable": true, "versionEndExcluding": "6.6.148", "versionStartIncluding": "5.14"}, {"criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*", "vulnerable": true, "versionEndExcluding": "6.12.101", "versionStartIncluding": "5.14"}, {"criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*", "vulnerable": true, "versionEndExcluding": "6.18.42", "versionStartIncluding": "5.14"}, {"criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*", "vulnerable": true, "versionEndExcluding": "7.1.6", "versionStartIncluding": "5.14"}, {"criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*", "vulnerable": true, "versionEndExcluding": "7.2", "versionStartIncluding": "5.14"}], "operator": "OR"}]}], "providerMetadata": {"orgId": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "shortName": "Linux", "dateUpdated": "2026-08-19T16:35:38.125Z"}}}, "cveMetadata": {"cveId": "CVE-2026-68444", "state": "PUBLISHED", "dateUpdated": "2026-11-06T16:55:17.016Z", "dateReserved": "2026-07-30T09:28:09.394Z", "assignerOrgId": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "datePublished": "2026-08-12T00:07:34.609Z", "assignerShortName": "Linux"}, "dataVersion": "5.2"}

{"affected": [{"affectedData": [{"defaultStatus": "unaffected", "product": "Linux", "programFiles": ["drivers/firmware/arm_ffa/driver.c"], "repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git", "vendor": "Linux", "versions": [{"lessThan": "7dfb020e3048411fbca91e9ad6174da9a2d3e2b3", "status": "affected", "version": "d0c0bce831223b08e5bade2cefc93c3ddb790796", "versionType": "git"}, {"lessThan": "ddf85f0c32e05baafbd9c3a44859858db90eec48", "status": "affected", "version": "d0c0bce831223b08e5bade2cefc93c3ddb790796", "versionType": "git"}, {"lessThan": "86f5ea90f73bb7154593bb96f3411e197f3d4fbe", "status": "affected", "version": "d0c0bce831223b08e5bade2cefc93c3ddb790796", "versionType": "git"}, {"lessThan": "7201e56e52d18abf4cd0a2fee45daf9dc08b5b97", "status": "affected", "version": "d0c0bce831223b08e5bade2cefc93c3ddb790796", "versionType": "git"}, {"lessThan": "996c5c19d5b5ac5b98a7b5a406b548305841c301", "status": "affected", "version": "d0c0bce831223b08e5bade2cefc93c3ddb790796", "versionType": "git"}, {"lessThan": "12a42c610e4432e7708cc48d607e5903fffe0aad", "status": "affected", "version": "d0c0bce831223b08e5bade2cefc93c3ddb790796", "versionType": "git"}, {"lessThan": "8ae5f8e4836667fcaffdf2e3c6068b0a8b364dd8", "status": "affected", "version": "d0c0bce831223b08e5bade2cefc93c3ddb790796", "versionType": "git"}]}, {"defaultStatus": "affected", "product": "Linux", "programFiles": ["drivers/firmware/arm_ffa/driver.c"], "repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git", "vendor": "Linux", "versions": [{"status": "affected", "version": "5.14"}, {"lessThan": "5.14", "status": "unaffected", "version": "0", "versionType": "semver"}, {"lessThanOrEqual": "5.15.*", "status": "unaffected", "version": "5.15.216", "versionType": "semver"}, {"lessThanOrEqual": "6.1.*", "status": "unaffected", "version": "6.1.183", "versionType": "semver"}, {"lessThanOrEqual": "6.6.*", "status": "unaffected", "version": "6.6.148", "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": "7.1.6", "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\nfirmware: arm_ffa: Fix NULL dereference in ffa_partition_info_get()\n\nffa_partition_info_get() passes uuid_str directly to uuid_parse()\nwithout a NULL check. When a caller passes NULL, uuid_parse() ->\n__uuid_parse() -> uuid_is_valid() dereferences the pointer, causing\na kernel panic:\n\n | Unable to handle kernel NULL pointer dereference at virtual address\n | 0000000000000040\n | pc : uuid_parse+0x40/0xac\n | lr : ffa_partition_info_get+0x1c/0x94 [arm_ffa]\n\nAdd a NULL guard before uuid_parse() so a NULL argument returns\n-ENODEV instead of crashing. Callers are expected to always supply\na valid partition UUID, so NULL is not a supported input."}], "id": "CVE-2026-68444", "lastModified": "2026-11-06T17:19:33.543", "metrics": {"ssvcV203": [{"source": "134c704f-9b21-4f2e-91b3-4a467353bcc0", "ssvcData": {"id": "CVE-2026-68444", "options": [{"exploitation": "none"}, {"automatable": "no"}, {"technicalImpact": "partial"}], "role": "CISA Coordinator", "timestamp": "2026-11-06T16:49:39.218245Z", "version": "2.0.3"}}]}, "published": "2026-08-12T00:17:44.747", "references": [{"source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "url": "https://git.kernel.org/stable/c/12a42c610e4432e7708cc48d607e5903fffe0aad"}, {"source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "url": "https://git.kernel.org/stable/c/7201e56e52d18abf4cd0a2fee45daf9dc08b5b97"}, {"source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "url": "https://git.kernel.org/stable/c/7dfb020e3048411fbca91e9ad6174da9a2d3e2b3"}, {"source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "url": "https://git.kernel.org/stable/c/86f5ea90f73bb7154593bb96f3411e197f3d4fbe"}, {"source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "url": "https://git.kernel.org/stable/c/8ae5f8e4836667fcaffdf2e3c6068b0a8b364dd8"}, {"source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "url": "https://git.kernel.org/stable/c/996c5c19d5b5ac5b98a7b5a406b548305841c301"}, {"source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "url": "https://git.kernel.org/stable/c/ddf85f0c32e05baafbd9c3a44859858db90eec48"}], "sourceIdentifier": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "vulnStatus": "Received"}

{"bugzilla": {"description": "kernel: firmware: arm_ffa: Fix NULL dereference in ffa_partition_info_get()", "id": "2514453", "url": "https://bugzilla.redhat.com/show_bug.cgi?id=2514453"}, "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-476", "details": ["In the Linux kernel, the following vulnerability has been resolved:\nfirmware: arm_ffa: Fix NULL dereference in ffa_partition_info_get()\nffa_partition_info_get() passes uuid_str directly to uuid_parse()\nwithout a NULL check. When a caller passes NULL, uuid_parse() ->\n__uuid_parse() -> uuid_is_valid() dereferences the pointer, causing\na kernel panic:\n| Unable to handle kernel NULL pointer dereference at virtual address\n| 0000000000000040\n| pc : uuid_parse+0x40/0xac\n| lr : ffa_partition_info_get+0x1c/0x94 [arm_ffa]\nAdd a NULL guard before uuid_parse() so a NULL argument returns\n-ENODEV instead of crashing. Callers are expected to always supply\na valid partition UUID, so NULL is not a supported input.", "A flaw was found in the Linux kernel's `arm_ffa` firmware component. A local attacker or malicious process could exploit this vulnerability by providing a NULL argument to the `ffa_partition_info_get()` function. This missing NULL check leads to a NULL pointer dereference, causing a kernel panic and resulting in a Denial of Service (DoS) for the affected system."], "name": "CVE-2026-68444", "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": "Fix deferred", "package_name": "kernel", "product_name": "Red Hat Enterprise Linux 9"}, {"cpe": "cpe:/o:redhat:enterprise_linux:9", "fix_state": "Fix deferred", "package_name": "kernel-rt", "product_name": "Red Hat Enterprise Linux 9"}, {"cpe": "cpe:/a:redhat:enterprise_linux_nvidia:", "fix_state": "Not affected", "package_name": "kernel", "product_name": "Red Hat Enterprise Linux for NVIDIA 26"}, {"cpe": "cpe:/a:redhat:openshift:4", "fix_state": "Not affected", "package_name": "rhcos", "product_name": "Red Hat OpenShift Container Platform 4"}], "public_date": "2026-08-12T00:00:00Z", "references": ["https://www.cve.org/CVERecord?id=CVE-2026-68444\nhttps://nvd.nist.gov/vuln/detail/CVE-2026-68444\nhttps://lore.kernel.org/linux-cve-announce/2026081257-CVE-2026-68444-1c3c@gregkh/T"], "threat_severity": "Moderate"}

{"affected": [{"configurations": [{"platform": null, "status": "affected", "versions": {"scheme": "code_commit", "value": "[d0c0bce831223b08e5bade2cefc93c3ddb790796,86f5ea90f73bb7154593bb96f3411e197f3d4fbe)"}}, {"platform": null, "status": "affected", "versions": {"scheme": "code_commit", "value": "[d0c0bce831223b08e5bade2cefc93c3ddb790796,7201e56e52d18abf4cd0a2fee45daf9dc08b5b97)"}}, {"platform": null, "status": "affected", "versions": {"scheme": "code_commit", "value": "[d0c0bce831223b08e5bade2cefc93c3ddb790796,996c5c19d5b5ac5b98a7b5a406b548305841c301)"}}, {"platform": null, "status": "affected", "versions": {"scheme": "code_commit", "value": "[d0c0bce831223b08e5bade2cefc93c3ddb790796,12a42c610e4432e7708cc48d607e5903fffe0aad)"}}, {"platform": null, "status": "affected", "versions": {"scheme": "code_commit", "value": "[d0c0bce831223b08e5bade2cefc93c3ddb790796,8ae5f8e4836667fcaffdf2e3c6068b0a8b364dd8)"}}], "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": "5.14"}}, {"platform": null, "status": "unaffected", "versions": {"scheme": "generic", "value": "[0,5.14)"}}, {"platform": null, "status": "unaffected", "versions": {"scheme": "semver", "value": "[6.6.148,6.7.0)"}}, {"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": "[7.1.6,7.2.0)"}}, {"platform": null, "status": "unaffected", "versions": {"scheme": "generic", "value": "[7.2-rc4,*]"}}], "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": "2026-08-12T15:15:02.674639+00:00", "updated": "2026-08-13T13:45:03.821470+00:00", "vendors": ["linux", "linux$PRODUCT$linux_kernel"], "weaknesses": ["CWE-476"]}