{"id":"CVE-2026-80524","state":"PUBLISHED","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.","publishedAt":"2026-08-26T14:37:04.373Z","updatedAt":"2026-10-15T10:09:33.300Z","severity":null,"assigner":"Linux","products":["Linux Linux"],"affected":[{"vendor":"Linux","product":"Linux","defaultStatus":"unaffected","versions":[{"version":"2b78d79cdf963e09ec8b90c55216b6ab5a83dbaf","status":"affected","lessThan":"0977a6f23439616701282fc4cb38eca40f36fec6","versionType":"git"},{"version":"2b78d79cdf963e09ec8b90c55216b6ab5a83dbaf","status":"affected","lessThan":"94bf4fe0e46349c4e73df66dcda073187bc90cc1","versionType":"git"},{"version":"2b78d79cdf963e09ec8b90c55216b6ab5a83dbaf","status":"affected","lessThan":"650c88738ae8976f46ba71b24dd8aa311adc6fde","versionType":"git"}],"repo":"https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git","programFiles":["drivers/tee/optee/ffa_abi.c"]},{"vendor":"Linux","product":"Linux","defaultStatus":"affected","versions":[{"version":"6.18","status":"affected"},{"version":"0","status":"unaffected","lessThan":"6.18","versionType":"semver"},{"version":"6.18.57","status":"unaffected","lessThanOrEqual":"6.18.*","versionType":"semver"},{"version":"7.1.10","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/tee/optee/ffa_abi.c"]}],"references":["https://git.kernel.org/stable/c/0977a6f23439616701282fc4cb38eca40f36fec6","https://git.kernel.org/stable/c/94bf4fe0e46349c4e73df66dcda073187bc90cc1","https://git.kernel.org/stable/c/650c88738ae8976f46ba71b24dd8aa311adc6fde"],"weaknesses":[],"ingestedAt":"2026-10-29T20:13:07.220Z","source":{"repository":"CVEProject/cvelistV5","path":"cves/2026/80xxx/CVE-2026-80524.json","commit":"556c9d3a8cd17e218bb8e452ba7cd619a384ff47"},"raw":{"dataType":"CVE_RECORD","dataVersion":"5.2","cveMetadata":{"cveId":"CVE-2026-80524","state":"PUBLISHED","datePublished":"2026-08-26T14:37:04.373Z","dateUpdated":"2026-10-15T10:09:33.300Z","assignerShortName":"Linux","assignerOrgId":"416baaa9-dc9f-4396-8d5f-8c081fb06d67","dateReserved":"2026-08-26T14:34:25.764Z"},"containers":{"cna":{"title":"optee: ffa: Add NULL check in optee_ffa_lend_protmem","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."}],"affected":[{"vendor":"Linux","product":"Linux","defaultStatus":"unaffected","versions":[{"version":"2b78d79cdf963e09ec8b90c55216b6ab5a83dbaf","status":"affected","lessThan":"0977a6f23439616701282fc4cb38eca40f36fec6","versionType":"git"},{"version":"2b78d79cdf963e09ec8b90c55216b6ab5a83dbaf","status":"affected","lessThan":"94bf4fe0e46349c4e73df66dcda073187bc90cc1","versionType":"git"},{"version":"2b78d79cdf963e09ec8b90c55216b6ab5a83dbaf","status":"affected","lessThan":"650c88738ae8976f46ba71b24dd8aa311adc6fde","versionType":"git"}],"repo":"https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git","programFiles":["drivers/tee/optee/ffa_abi.c"]},{"vendor":"Linux","product":"Linux","defaultStatus":"affected","versions":[{"version":"6.18","status":"affected"},{"version":"0","status":"unaffected","lessThan":"6.18","versionType":"semver"},{"version":"6.18.57","status":"unaffected","lessThanOrEqual":"6.18.*","versionType":"semver"},{"version":"7.1.10","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/tee/optee/ffa_abi.c"]}],"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"}],"providerMetadata":{"shortName":"Linux","orgId":"416baaa9-dc9f-4396-8d5f-8c081fb06d67","dateUpdated":"2026-10-15T10:09:33.300Z"},"cpeApplicability":[{"nodes":[{"operator":"OR","negate":false,"cpeMatch":[{"vulnerable":true,"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionStartIncluding":"6.18","versionEndExcluding":"6.18.57"},{"vulnerable":true,"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionStartIncluding":"6.18","versionEndExcluding":"7.1.10"},{"vulnerable":true,"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionStartIncluding":"6.18","versionEndExcluding":"7.2"}]}]}],"x_generator":{"engine":"bippy-1.2.0"}}}}}