{"dataType":"CVE_RECORD","dataVersion":"5.2","cveMetadata":{"cveId":"CVE-2026-23280","assignerOrgId":"416baaa9-dc9f-4396-8d5f-8c081fb06d67","state":"PUBLISHED","assignerShortName":"Linux","dateReserved":"2026-01-13T15:37:45.992Z","datePublished":"2026-03-25T10:26:41.088Z","dateUpdated":"2026-05-11T22:03:48.688Z"},"containers":{"cna":{"providerMetadata":{"orgId":"416baaa9-dc9f-4396-8d5f-8c081fb06d67","shortName":"Linux","dateUpdated":"2026-05-11T22:03:48.688Z"},"descriptions":[{"lang":"en","value":"In the Linux kernel, the following vulnerability has been resolved:\n\naccel/amdxdna: Prevent ubuf size overflow\n\nThe ubuf size calculation may overflow, resulting in an undersized\nallocation and possible memory corruption.\n\nUse check_add_overflow() helpers to validate the size calculation before\nallocation."}],"metrics":[{"cvssV3_1":{"version":"3.1","vectorString":"CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H","baseScore":7.8,"baseSeverity":"HIGH"}}],"affected":[{"product":"Linux","vendor":"Linux","defaultStatus":"unaffected","repo":"https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git","programFiles":["drivers/accel/amdxdna/amdxdna_ubuf.c"],"versions":[{"version":"bd72d4acda1069579b35123e3cc0b21ec1193a21","lessThan":"1500b31db94374a6669e73ce94d6f71cf8e85e06","status":"affected","versionType":"git"},{"version":"bd72d4acda1069579b35123e3cc0b21ec1193a21","lessThan":"972bf4a23478fcb247b4f507d47a584bc8aea5bd","status":"affected","versionType":"git"},{"version":"bd72d4acda1069579b35123e3cc0b21ec1193a21","lessThan":"03808abb1d868aed7478a11a82e5bb4b3f1ca6d6","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/accel/amdxdna/amdxdna_ubuf.c"],"versions":[{"version":"6.18","status":"affected"},{"version":"0","lessThan":"6.18","status":"unaffected","versionType":"semver"},{"version":"6.18.17","lessThanOrEqual":"6.18.*","status":"unaffected","versionType":"semver"},{"version":"6.19.7","lessThanOrEqual":"6.19.*","status":"unaffected","versionType":"semver"},{"version":"7.0","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":"6.18","versionEndExcluding":"6.18.17"},{"vulnerable":true,"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionStartIncluding":"6.18","versionEndExcluding":"6.19.7"},{"vulnerable":true,"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionStartIncluding":"6.18","versionEndExcluding":"7.0"}]}]}],"references":[{"url":"https://git.kernel.org/stable/c/1500b31db94374a6669e73ce94d6f71cf8e85e06"},{"url":"https://git.kernel.org/stable/c/972bf4a23478fcb247b4f507d47a584bc8aea5bd"},{"url":"https://git.kernel.org/stable/c/03808abb1d868aed7478a11a82e5bb4b3f1ca6d6"}],"title":"accel/amdxdna: Prevent ubuf size overflow","x_generator":{"engine":"bippy-1.2.0"}}}}