{"id":"CVE-2026-68444","state":"PUBLISHED","title":"firmware: arm_ffa: Fix NULL dereference in ffa_partition_info_get()","description":"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.","publishedAt":"2026-08-12T00:07:34.609Z","updatedAt":"2026-08-19T16:35:38.125Z","severity":null,"assigner":"Linux","products":["Linux Linux"],"affected":[{"vendor":"Linux","product":"Linux","defaultStatus":"unaffected","versions":[{"version":"d0c0bce831223b08e5bade2cefc93c3ddb790796","status":"affected","lessThan":"7dfb020e3048411fbca91e9ad6174da9a2d3e2b3","versionType":"git"},{"version":"d0c0bce831223b08e5bade2cefc93c3ddb790796","status":"affected","lessThan":"ddf85f0c32e05baafbd9c3a44859858db90eec48","versionType":"git"},{"version":"d0c0bce831223b08e5bade2cefc93c3ddb790796","status":"affected","lessThan":"86f5ea90f73bb7154593bb96f3411e197f3d4fbe","versionType":"git"},{"version":"d0c0bce831223b08e5bade2cefc93c3ddb790796","status":"affected","lessThan":"7201e56e52d18abf4cd0a2fee45daf9dc08b5b97","versionType":"git"},{"version":"d0c0bce831223b08e5bade2cefc93c3ddb790796","status":"affected","lessThan":"996c5c19d5b5ac5b98a7b5a406b548305841c301","versionType":"git"},{"version":"d0c0bce831223b08e5bade2cefc93c3ddb790796","status":"affected","lessThan":"12a42c610e4432e7708cc48d607e5903fffe0aad","versionType":"git"},{"version":"d0c0bce831223b08e5bade2cefc93c3ddb790796","status":"affected","lessThan":"8ae5f8e4836667fcaffdf2e3c6068b0a8b364dd8","versionType":"git"}],"repo":"https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git","programFiles":["drivers/firmware/arm_ffa/driver.c"]},{"vendor":"Linux","product":"Linux","defaultStatus":"affected","versions":[{"version":"5.14","status":"affected"},{"version":"0","status":"unaffected","lessThan":"5.14","versionType":"semver"},{"version":"5.15.216","status":"unaffected","lessThanOrEqual":"5.15.*","versionType":"semver"},{"version":"6.1.183","status":"unaffected","lessThanOrEqual":"6.1.*","versionType":"semver"},{"version":"6.6.148","status":"unaffected","lessThanOrEqual":"6.6.*","versionType":"semver"},{"version":"6.12.101","status":"unaffected","lessThanOrEqual":"6.12.*","versionType":"semver"},{"version":"6.18.42","status":"unaffected","lessThanOrEqual":"6.18.*","versionType":"semver"},{"version":"7.1.6","status":"unaffected","lessThanOrEqual":"7.1.*","versionType":"semver"},{"version":"7.2","status":"unaffected","lessThanOrEqual":"*","versionType":"original_commit_for_fix"}],"repo":"https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git","programFiles":["drivers/firmware/arm_ffa/driver.c"]}],"references":["https://git.kernel.org/stable/c/7dfb020e3048411fbca91e9ad6174da9a2d3e2b3","https://git.kernel.org/stable/c/ddf85f0c32e05baafbd9c3a44859858db90eec48","https://git.kernel.org/stable/c/86f5ea90f73bb7154593bb96f3411e197f3d4fbe","https://git.kernel.org/stable/c/7201e56e52d18abf4cd0a2fee45daf9dc08b5b97","https://git.kernel.org/stable/c/996c5c19d5b5ac5b98a7b5a406b548305841c301","https://git.kernel.org/stable/c/12a42c610e4432e7708cc48d607e5903fffe0aad","https://git.kernel.org/stable/c/8ae5f8e4836667fcaffdf2e3c6068b0a8b364dd8"],"weaknesses":[],"ingestedAt":"2026-10-29T20:12:49.727Z","source":{"repository":"CVEProject/cvelistV5","path":"cves/2026/68xxx/CVE-2026-68444.json","commit":"556c9d3a8cd17e218bb8e452ba7cd619a384ff47"},"raw":{"dataType":"CVE_RECORD","dataVersion":"5.2","cveMetadata":{"cveId":"CVE-2026-68444","state":"PUBLISHED","datePublished":"2026-08-12T00:07:34.609Z","dateUpdated":"2026-08-19T16:35:38.125Z","assignerShortName":"Linux","assignerOrgId":"416baaa9-dc9f-4396-8d5f-8c081fb06d67","dateReserved":"2026-07-30T09:28:09.394Z"},"containers":{"cna":{"title":"firmware: arm_ffa: Fix NULL dereference in ffa_partition_info_get()","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."}],"affected":[{"vendor":"Linux","product":"Linux","defaultStatus":"unaffected","versions":[{"version":"d0c0bce831223b08e5bade2cefc93c3ddb790796","status":"affected","lessThan":"7dfb020e3048411fbca91e9ad6174da9a2d3e2b3","versionType":"git"},{"version":"d0c0bce831223b08e5bade2cefc93c3ddb790796","status":"affected","lessThan":"ddf85f0c32e05baafbd9c3a44859858db90eec48","versionType":"git"},{"version":"d0c0bce831223b08e5bade2cefc93c3ddb790796","status":"affected","lessThan":"86f5ea90f73bb7154593bb96f3411e197f3d4fbe","versionType":"git"},{"version":"d0c0bce831223b08e5bade2cefc93c3ddb790796","status":"affected","lessThan":"7201e56e52d18abf4cd0a2fee45daf9dc08b5b97","versionType":"git"},{"version":"d0c0bce831223b08e5bade2cefc93c3ddb790796","status":"affected","lessThan":"996c5c19d5b5ac5b98a7b5a406b548305841c301","versionType":"git"},{"version":"d0c0bce831223b08e5bade2cefc93c3ddb790796","status":"affected","lessThan":"12a42c610e4432e7708cc48d607e5903fffe0aad","versionType":"git"},{"version":"d0c0bce831223b08e5bade2cefc93c3ddb790796","status":"affected","lessThan":"8ae5f8e4836667fcaffdf2e3c6068b0a8b364dd8","versionType":"git"}],"repo":"https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git","programFiles":["drivers/firmware/arm_ffa/driver.c"]},{"vendor":"Linux","product":"Linux","defaultStatus":"affected","versions":[{"version":"5.14","status":"affected"},{"version":"0","status":"unaffected","lessThan":"5.14","versionType":"semver"},{"version":"5.15.216","status":"unaffected","lessThanOrEqual":"5.15.*","versionType":"semver"},{"version":"6.1.183","status":"unaffected","lessThanOrEqual":"6.1.*","versionType":"semver"},{"version":"6.6.148","status":"unaffected","lessThanOrEqual":"6.6.*","versionType":"semver"},{"version":"6.12.101","status":"unaffected","lessThanOrEqual":"6.12.*","versionType":"semver"},{"version":"6.18.42","status":"unaffected","lessThanOrEqual":"6.18.*","versionType":"semver"},{"version":"7.1.6","status":"unaffected","lessThanOrEqual":"7.1.*","versionType":"semver"},{"version":"7.2","status":"unaffected","lessThanOrEqual":"*","versionType":"original_commit_for_fix"}],"repo":"https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git","programFiles":["drivers/firmware/arm_ffa/driver.c"]}],"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"}],"providerMetadata":{"shortName":"Linux","orgId":"416baaa9-dc9f-4396-8d5f-8c081fb06d67","dateUpdated":"2026-08-19T16:35:38.125Z"},"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"}]}]}],"x_generator":{"engine":"bippy-1.2.0"}}}}}