{"dataType":"CVE_RECORD","dataVersion":"5.2","cveMetadata":{"cveId":"CVE-2026-68325","assignerOrgId":"416baaa9-dc9f-4396-8d5f-8c081fb06d67","state":"PUBLISHED","assignerShortName":"Linux","dateReserved":"2026-07-30T09:28:09.382Z","datePublished":"2026-08-10T12:03:01.384Z","dateUpdated":"2026-08-19T16:33:18.080Z"},"containers":{"cna":{"providerMetadata":{"orgId":"416baaa9-dc9f-4396-8d5f-8c081fb06d67","shortName":"Linux","dateUpdated":"2026-08-19T16:33:18.080Z"},"descriptions":[{"lang":"en","value":"In the Linux kernel, the following vulnerability has been resolved:\n\niommu/amd: Bound the early ACPI HID map\n\nThe ivrs_acpihid command-line parser appends entries to a fixed\nfour-element early_acpihid_map array. Unlike the sibling IOAPIC and HPET\nparsers, it does not reject a fifth entry before incrementing the map size.\n\nCheck the capacity at the common found label before parsing the HID and\nUID or writing the entry."}],"affected":[{"product":"Linux","vendor":"Linux","defaultStatus":"unaffected","repo":"https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git","programFiles":["drivers/iommu/amd/init.c"],"versions":[{"version":"ca3bf5d47cec8b7614bcb2e9132c40081d6d81db","lessThan":"9ae6b1b972ce01d3316c8a5f7f58c8b3668cc6bb","status":"affected","versionType":"git"},{"version":"ca3bf5d47cec8b7614bcb2e9132c40081d6d81db","lessThan":"e5e0098f8cd82f8b3c8687a8f686309565d51745","status":"affected","versionType":"git"},{"version":"ca3bf5d47cec8b7614bcb2e9132c40081d6d81db","lessThan":"afe7ea0520c49586703f210865ace2d70b017e48","status":"affected","versionType":"git"},{"version":"ca3bf5d47cec8b7614bcb2e9132c40081d6d81db","lessThan":"1e31d2394e0db69541b1591d46c5ad6431c81db3","status":"affected","versionType":"git"},{"version":"ca3bf5d47cec8b7614bcb2e9132c40081d6d81db","lessThan":"abe5d7962f09adada9c4fb25b816dddd3f97c55d","status":"affected","versionType":"git"},{"version":"ca3bf5d47cec8b7614bcb2e9132c40081d6d81db","lessThan":"e5ebe8544df1a1c3611739a8622156094fe470df","status":"affected","versionType":"git"},{"version":"ca3bf5d47cec8b7614bcb2e9132c40081d6d81db","lessThan":"030a8e84f8f1b6e96f469c84a13a225c3699910b","status":"affected","versionType":"git"},{"version":"ca3bf5d47cec8b7614bcb2e9132c40081d6d81db","lessThan":"fb80117fddb5b477218dc99bb53911b72c3847f8","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/iommu/amd/init.c"],"versions":[{"version":"4.7","status":"affected"},{"version":"0","lessThan":"4.7","status":"unaffected","versionType":"semver"},{"version":"5.10.265","lessThanOrEqual":"5.10.*","status":"unaffected","versionType":"semver"},{"version":"5.15.216","lessThanOrEqual":"5.15.*","status":"unaffected","versionType":"semver"},{"version":"6.1.183","lessThanOrEqual":"6.1.*","status":"unaffected","versionType":"semver"},{"version":"6.6.148","lessThanOrEqual":"6.6.*","status":"unaffected","versionType":"semver"},{"version":"6.12.101","lessThanOrEqual":"6.12.*","status":"unaffected","versionType":"semver"},{"version":"6.18.42","lessThanOrEqual":"6.18.*","status":"unaffected","versionType":"semver"},{"version":"7.1.6","lessThanOrEqual":"7.1.*","status":"unaffected","versionType":"semver"},{"version":"7.2","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":"4.7","versionEndExcluding":"5.10.265"},{"vulnerable":true,"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionStartIncluding":"4.7","versionEndExcluding":"5.15.216"},{"vulnerable":true,"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionStartIncluding":"4.7","versionEndExcluding":"6.1.183"},{"vulnerable":true,"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionStartIncluding":"4.7","versionEndExcluding":"6.6.148"},{"vulnerable":true,"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionStartIncluding":"4.7","versionEndExcluding":"6.12.101"},{"vulnerable":true,"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionStartIncluding":"4.7","versionEndExcluding":"6.18.42"},{"vulnerable":true,"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionStartIncluding":"4.7","versionEndExcluding":"7.1.6"},{"vulnerable":true,"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionStartIncluding":"4.7","versionEndExcluding":"7.2"}]}]}],"references":[{"url":"https://git.kernel.org/stable/c/9ae6b1b972ce01d3316c8a5f7f58c8b3668cc6bb"},{"url":"https://git.kernel.org/stable/c/e5e0098f8cd82f8b3c8687a8f686309565d51745"},{"url":"https://git.kernel.org/stable/c/afe7ea0520c49586703f210865ace2d70b017e48"},{"url":"https://git.kernel.org/stable/c/1e31d2394e0db69541b1591d46c5ad6431c81db3"},{"url":"https://git.kernel.org/stable/c/abe5d7962f09adada9c4fb25b816dddd3f97c55d"},{"url":"https://git.kernel.org/stable/c/e5ebe8544df1a1c3611739a8622156094fe470df"},{"url":"https://git.kernel.org/stable/c/030a8e84f8f1b6e96f469c84a13a225c3699910b"},{"url":"https://git.kernel.org/stable/c/fb80117fddb5b477218dc99bb53911b72c3847f8"}],"title":"iommu/amd: Bound the early ACPI HID map","x_generator":{"engine":"bippy-1.2.0"}}}}