{"api_version":"1","generated_at":"2026-10-15T14:28:02+00:00","cve":"CVE-2026-80524","urls":{"html":"https://cve.report/CVE-2026-80524","api":"https://cve.report/api/cve/CVE-2026-80524.json","docs":"https://cve.report/api","cve_org":"https://www.cve.org/CVERecord?id=CVE-2026-80524","nvd":"https://nvd.nist.gov/vuln/detail/CVE-2026-80524"},"summary":{"title":"optee: ffa: Add NULL check in optee_ffa_lend_protmem","description":"In the Linux kernel, the following vulnerability has been resolved:\n\noptee: ffa: Add NULL check in optee_ffa_lend_protmem\n\nSashiko (locally) reports a possible null dereference under memory\npressure due to the lack of validation of the allocated pointer.\n\nFix that by adding the missing check.","state":"PUBLISHED","assigner":"Linux","published_at":"2026-08-26 15:17:06","updated_at":"2026-10-15 11:17:50"},"problem_types":[],"metrics":[],"references":[{"url":"https://git.kernel.org/stable/c/650c88738ae8976f46ba71b24dd8aa311adc6fde","name":"https://git.kernel.org/stable/c/650c88738ae8976f46ba71b24dd8aa311adc6fde","refsource":"416baaa9-dc9f-4396-8d5f-8c081fb06d67","tags":[],"title":"","mime":"","httpstatus":"","archivestatus":"0"},{"url":"https://git.kernel.org/stable/c/0977a6f23439616701282fc4cb38eca40f36fec6","name":"https://git.kernel.org/stable/c/0977a6f23439616701282fc4cb38eca40f36fec6","refsource":"416baaa9-dc9f-4396-8d5f-8c081fb06d67","tags":[],"title":"","mime":"","httpstatus":"","archivestatus":"0"},{"url":"https://git.kernel.org/stable/c/94bf4fe0e46349c4e73df66dcda073187bc90cc1","name":"https://git.kernel.org/stable/c/94bf4fe0e46349c4e73df66dcda073187bc90cc1","refsource":"416baaa9-dc9f-4396-8d5f-8c081fb06d67","tags":[],"title":"","mime":"","httpstatus":"","archivestatus":"0"},{"url":"https://www.cve.org/CVERecord?id=CVE-2026-80524","name":"CVE Program record","refsource":"CVE.ORG","tags":["canonical"]},{"url":"https://nvd.nist.gov/vuln/detail/CVE-2026-80524","name":"NVD vulnerability detail","refsource":"NVD","tags":["canonical","analysis"]}],"affected":[{"source":"CNA","vendor":"Linux","product":"Linux","version":"affected 2b78d79cdf963e09ec8b90c55216b6ab5a83dbaf 0977a6f23439616701282fc4cb38eca40f36fec6 git","platforms":[]},{"source":"CNA","vendor":"Linux","product":"Linux","version":"affected 2b78d79cdf963e09ec8b90c55216b6ab5a83dbaf 94bf4fe0e46349c4e73df66dcda073187bc90cc1 git","platforms":[]},{"source":"CNA","vendor":"Linux","product":"Linux","version":"affected 2b78d79cdf963e09ec8b90c55216b6ab5a83dbaf 650c88738ae8976f46ba71b24dd8aa311adc6fde git","platforms":[]},{"source":"CNA","vendor":"Linux","product":"Linux","version":"affected 6.18","platforms":[]},{"source":"CNA","vendor":"Linux","product":"Linux","version":"unaffected 6.18 semver","platforms":[]},{"source":"CNA","vendor":"Linux","product":"Linux","version":"unaffected 6.18.57 6.18.* semver","platforms":[]},{"source":"CNA","vendor":"Linux","product":"Linux","version":"unaffected 7.1.10 7.1.* semver","platforms":[]},{"source":"CNA","vendor":"Linux","product":"Linux","version":"unaffected 7.2 * original_commit_for_fix","platforms":[]}],"timeline":[],"solutions":[],"workarounds":[],"exploits":[],"credits":[],"nvd_cpes":[],"vendor_comments":[],"enrichments":{"kev":null,"epss":null,"legacy_qids":[]},"source_records":{"cve_program":{"containers":{"cna":{"affected":[{"defaultStatus":"unaffected","product":"Linux","programFiles":["drivers/tee/optee/ffa_abi.c"],"repo":"https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git","vendor":"Linux","versions":[{"lessThan":"0977a6f23439616701282fc4cb38eca40f36fec6","status":"affected","version":"2b78d79cdf963e09ec8b90c55216b6ab5a83dbaf","versionType":"git"},{"lessThan":"94bf4fe0e46349c4e73df66dcda073187bc90cc1","status":"affected","version":"2b78d79cdf963e09ec8b90c55216b6ab5a83dbaf","versionType":"git"},{"lessThan":"650c88738ae8976f46ba71b24dd8aa311adc6fde","status":"affected","version":"2b78d79cdf963e09ec8b90c55216b6ab5a83dbaf","versionType":"git"}]},{"defaultStatus":"affected","product":"Linux","programFiles":["drivers/tee/optee/ffa_abi.c"],"repo":"https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git","vendor":"Linux","versions":[{"status":"affected","version":"6.18"},{"lessThan":"6.18","status":"unaffected","version":"0","versionType":"semver"},{"lessThanOrEqual":"6.18.*","status":"unaffected","version":"6.18.57","versionType":"semver"},{"lessThanOrEqual":"7.1.*","status":"unaffected","version":"7.1.10","versionType":"semver"},{"lessThanOrEqual":"*","status":"unaffected","version":"7.2","versionType":"original_commit_for_fix"}]}],"cpeApplicability":[{"nodes":[{"cpeMatch":[{"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionEndExcluding":"6.18.57","versionStartIncluding":"6.18","vulnerable":true},{"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionEndExcluding":"7.1.10","versionStartIncluding":"6.18","vulnerable":true},{"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionEndExcluding":"7.2","versionStartIncluding":"6.18","vulnerable":true}],"negate":false,"operator":"OR"}]}],"descriptions":[{"lang":"en","value":"In the Linux kernel, the following vulnerability has been resolved:\n\noptee: ffa: Add NULL check in optee_ffa_lend_protmem\n\nSashiko (locally) reports a possible null dereference under memory\npressure due to the lack of validation of the allocated pointer.\n\nFix that by adding the missing check."}],"providerMetadata":{"dateUpdated":"2026-10-15T10:09:33.300Z","orgId":"416baaa9-dc9f-4396-8d5f-8c081fb06d67","shortName":"Linux"},"references":[{"url":"https://git.kernel.org/stable/c/0977a6f23439616701282fc4cb38eca40f36fec6"},{"url":"https://git.kernel.org/stable/c/94bf4fe0e46349c4e73df66dcda073187bc90cc1"},{"url":"https://git.kernel.org/stable/c/650c88738ae8976f46ba71b24dd8aa311adc6fde"}],"title":"optee: ffa: Add NULL check in optee_ffa_lend_protmem","x_generator":{"engine":"bippy-1.2.0"}}},"cveMetadata":{"assignerOrgId":"416baaa9-dc9f-4396-8d5f-8c081fb06d67","assignerShortName":"Linux","cveId":"CVE-2026-80524","datePublished":"2026-08-26T14:37:04.373Z","dateReserved":"2026-08-26T14:34:25.764Z","dateUpdated":"2026-10-15T10:09:33.300Z","state":"PUBLISHED"},"dataType":"CVE_RECORD","dataVersion":"5.2"},"nvd":{"publishedDate":"2026-08-26 15:17:06","lastModifiedDate":"2026-10-15 11:17:50","problem_types":[],"metrics":[],"configurations":[]},"legacy_mitre":{"record":{"CveYear":"2026","CveId":"80524","Ordinal":"1","Title":"optee: ffa: Add NULL check in optee_ffa_lend_protmem","CVE":"CVE-2026-80524","Year":"2026"},"notes":[{"CveYear":"2026","CveId":"80524","Ordinal":"1","NoteData":"In the Linux kernel, the following vulnerability has been resolved:\n\noptee: ffa: Add NULL check in optee_ffa_lend_protmem\n\nSashiko (locally) reports a possible null dereference under memory\npressure due to the lack of validation of the allocated pointer.\n\nFix that by adding the missing check.","Type":"Description","Title":"optee: ffa: Add NULL check in optee_ffa_lend_protmem"}]}}}