{"id":"CVE-2026-80524","title":"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 a…","summary":"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 a…","severity":"none","vendor":"Linux","product":"Linux","affected":["Linux >= 2b78d79cdf963e09ec8b90c55216b6ab5a83dbaf < 0977a6f23439616701282fc4cb38eca40f36fec6","Linux >= 2b78d79cdf963e09ec8b90c55216b6ab5a83dbaf < 94bf4fe0e46349c4e73df66dcda073187bc90cc1","Linux >= 2b78d79cdf963e09ec8b90c55216b6ab5a83dbaf < 650c88738ae8976f46ba71b24dd8aa311adc6fde","Linux 6.18"],"published":"2026-08-26","updated":"2026-10-15","sourceUpdated":"2026-10-15T11:17:50.550","source":"NVD","sourceUrl":"https://nvd.nist.gov/vuln/detail/CVE-2026-80524","references":[{"url":"https://git.kernel.org/stable/c/0977a6f23439616701282fc4cb38eca40f36fec6","label":"416baaa9-dc9f-4396-8d5f-8c081fb06d67"},{"url":"https://git.kernel.org/stable/c/650c88738ae8976f46ba71b24dd8aa311adc6fde","label":"416baaa9-dc9f-4396-8d5f-8c081fb06d67"},{"url":"https://git.kernel.org/stable/c/94bf4fe0e46349c4e73df66dcda073187bc90cc1","label":"416baaa9-dc9f-4396-8d5f-8c081fb06d67"}],"tags":["nvd","cve.org"],"epss":0.00198,"epssPercentile":0.08871,"ingestedAt":"2026-10-15T11:00:41.666Z","slug":"CVE-2026-80524","body":"## Overview\n\nIn 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.\n\n## Remediation\n\nRefer to the linked advisories for vendor-supplied fixes and affected version ranges.","depth":"sunlit","depthScore":3,"depthScoreParts":{"impact":2.8,"likelihood":0,"exploitation":0,"ransomware":0},"changes":[]}