{"api_version":"1","generated_at":"2026-10-01T17:26:01+00:00","cve":"CVE-2026-98003","urls":{"html":"https://cve.report/CVE-2026-98003","api":"https://cve.report/api/cve/CVE-2026-98003.json","docs":"https://cve.report/api","cve_org":"https://www.cve.org/CVERecord?id=CVE-2026-98003","nvd":"https://nvd.nist.gov/vuln/detail/CVE-2026-98003"},"summary":{"title":"iommu/amd: Do not reallocate GA log buffers on resume","description":"In the Linux kernel, the following vulnerability has been resolved:\n\niommu/amd: Do not reallocate GA log buffers on resume\n\nCommit c5e1a1eb9279 (\"iommu/amd: Simplify and Consolidate Virtual APIC\n(AVIC) Enablement\") moved the GA log allocation from iommu_init_pci()\nto enable_iommus_vapic(), which is called on every resume.\n\niommu_init_ga_log() assigns iommu->ga_log and iommu->ga_log_tail\nunconditionally. Each resume therefore replaces the boot-time pointers\nand leaks both old allocations. The function also uses GFP_KERNEL from a\nsyscore resume callback, where interrupts are disabled and the non-boot\nCPUs are offline.\n\nReturn early if both buffers are already allocated. Clear the pointers\nin free_ga_log() so a partial allocation failure cannot leave ga_log\ndangling.","state":"PUBLISHED","assigner":"Linux","published_at":"2026-09-25 11:17:28","updated_at":"2026-09-25 11:17:28"},"problem_types":[],"metrics":[],"references":[{"url":"https://git.kernel.org/stable/c/b6be275d19cee01f8f1f08a2ff18337103d05d40","name":"https://git.kernel.org/stable/c/b6be275d19cee01f8f1f08a2ff18337103d05d40","refsource":"416baaa9-dc9f-4396-8d5f-8c081fb06d67","tags":[],"title":"","mime":"","httpstatus":"","archivestatus":"0"},{"url":"https://git.kernel.org/stable/c/94458b80d3b203c1c9e2c98aa7319b7713e006c0","name":"https://git.kernel.org/stable/c/94458b80d3b203c1c9e2c98aa7319b7713e006c0","refsource":"416baaa9-dc9f-4396-8d5f-8c081fb06d67","tags":[],"title":"","mime":"","httpstatus":"","archivestatus":"0"},{"url":"https://git.kernel.org/stable/c/00a7dd64888d6dd72110b40e2824a088cf7b7386","name":"https://git.kernel.org/stable/c/00a7dd64888d6dd72110b40e2824a088cf7b7386","refsource":"416baaa9-dc9f-4396-8d5f-8c081fb06d67","tags":[],"title":"","mime":"","httpstatus":"","archivestatus":"0"},{"url":"https://www.cve.org/CVERecord?id=CVE-2026-98003","name":"CVE Program record","refsource":"CVE.ORG","tags":["canonical"]},{"url":"https://nvd.nist.gov/vuln/detail/CVE-2026-98003","name":"NVD vulnerability detail","refsource":"NVD","tags":["canonical","analysis"]}],"affected":[{"source":"CNA","vendor":"Linux","product":"Linux","version":"affected c5e1a1eb9279fdb28d47ca2a4493a4c53b7d6a0b 94458b80d3b203c1c9e2c98aa7319b7713e006c0 git","platforms":[]},{"source":"CNA","vendor":"Linux","product":"Linux","version":"affected c5e1a1eb9279fdb28d47ca2a4493a4c53b7d6a0b b6be275d19cee01f8f1f08a2ff18337103d05d40 git","platforms":[]},{"source":"CNA","vendor":"Linux","product":"Linux","version":"affected c5e1a1eb9279fdb28d47ca2a4493a4c53b7d6a0b 00a7dd64888d6dd72110b40e2824a088cf7b7386 git","platforms":[]},{"source":"CNA","vendor":"Linux","product":"Linux","version":"affected 6.0","platforms":[]},{"source":"CNA","vendor":"Linux","product":"Linux","version":"unaffected 6.0 semver","platforms":[]},{"source":"CNA","vendor":"Linux","product":"Linux","version":"unaffected 6.18.53 6.18.* semver","platforms":[]},{"source":"CNA","vendor":"Linux","product":"Linux","version":"unaffected 7.2.7 7.2.* semver","platforms":[]},{"source":"CNA","vendor":"Linux","product":"Linux","version":"unaffected 7.3-rc3 * original_commit_for_fix","platforms":[]}],"timeline":[],"solutions":[],"workarounds":[],"exploits":[],"credits":[],"nvd_cpes":[],"vendor_comments":[],"enrichments":{"kev":null,"epss":{"cve_year":"2026","cve_id":"98003","cve":"CVE-2026-98003","epss":"0.001660000","percentile":"0.051900000","score_date":"2026-09-27","updated_at":"2026-09-28 00:02:24"},"legacy_qids":[]},"source_records":{"cve_program":{"containers":{"cna":{"affected":[{"defaultStatus":"unaffected","product":"Linux","programFiles":["drivers/iommu/amd/init.c"],"repo":"https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git","vendor":"Linux","versions":[{"lessThan":"94458b80d3b203c1c9e2c98aa7319b7713e006c0","status":"affected","version":"c5e1a1eb9279fdb28d47ca2a4493a4c53b7d6a0b","versionType":"git"},{"lessThan":"b6be275d19cee01f8f1f08a2ff18337103d05d40","status":"affected","version":"c5e1a1eb9279fdb28d47ca2a4493a4c53b7d6a0b","versionType":"git"},{"lessThan":"00a7dd64888d6dd72110b40e2824a088cf7b7386","status":"affected","version":"c5e1a1eb9279fdb28d47ca2a4493a4c53b7d6a0b","versionType":"git"}]},{"defaultStatus":"affected","product":"Linux","programFiles":["drivers/iommu/amd/init.c"],"repo":"https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git","vendor":"Linux","versions":[{"status":"affected","version":"6.0"},{"lessThan":"6.0","status":"unaffected","version":"0","versionType":"semver"},{"lessThanOrEqual":"6.18.*","status":"unaffected","version":"6.18.53","versionType":"semver"},{"lessThanOrEqual":"7.2.*","status":"unaffected","version":"7.2.7","versionType":"semver"},{"lessThanOrEqual":"*","status":"unaffected","version":"7.3-rc3","versionType":"original_commit_for_fix"}]}],"cpeApplicability":[{"nodes":[{"cpeMatch":[{"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionEndExcluding":"6.18.53","versionStartIncluding":"6.0","vulnerable":true},{"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionEndExcluding":"7.2.7","versionStartIncluding":"6.0","vulnerable":true},{"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionEndExcluding":"7.3-rc3","versionStartIncluding":"6.0","vulnerable":true}],"negate":false,"operator":"OR"}]}],"descriptions":[{"lang":"en","value":"In the Linux kernel, the following vulnerability has been resolved:\n\niommu/amd: Do not reallocate GA log buffers on resume\n\nCommit c5e1a1eb9279 (\"iommu/amd: Simplify and Consolidate Virtual APIC\n(AVIC) Enablement\") moved the GA log allocation from iommu_init_pci()\nto enable_iommus_vapic(), which is called on every resume.\n\niommu_init_ga_log() assigns iommu->ga_log and iommu->ga_log_tail\nunconditionally. Each resume therefore replaces the boot-time pointers\nand leaks both old allocations. The function also uses GFP_KERNEL from a\nsyscore resume callback, where interrupts are disabled and the non-boot\nCPUs are offline.\n\nReturn early if both buffers are already allocated. Clear the pointers\nin free_ga_log() so a partial allocation failure cannot leave ga_log\ndangling."}],"providerMetadata":{"dateUpdated":"2026-09-25T10:23:30.522Z","orgId":"416baaa9-dc9f-4396-8d5f-8c081fb06d67","shortName":"Linux"},"references":[{"url":"https://git.kernel.org/stable/c/94458b80d3b203c1c9e2c98aa7319b7713e006c0"},{"url":"https://git.kernel.org/stable/c/b6be275d19cee01f8f1f08a2ff18337103d05d40"},{"url":"https://git.kernel.org/stable/c/00a7dd64888d6dd72110b40e2824a088cf7b7386"}],"title":"iommu/amd: Do not reallocate GA log buffers on resume","x_generator":{"engine":"bippy-1.2.0"}}},"cveMetadata":{"assignerOrgId":"416baaa9-dc9f-4396-8d5f-8c081fb06d67","assignerShortName":"Linux","cveId":"CVE-2026-98003","datePublished":"2026-09-25T10:23:30.522Z","dateReserved":"2026-09-25T10:19:56.068Z","dateUpdated":"2026-09-25T10:23:30.522Z","state":"PUBLISHED"},"dataType":"CVE_RECORD","dataVersion":"5.2"},"nvd":{"publishedDate":"2026-09-25 11:17:28","lastModifiedDate":"2026-09-25 11:17:28","problem_types":[],"metrics":[],"configurations":[]},"legacy_mitre":{"record":{"CveYear":"2026","CveId":"98003","Ordinal":"1","Title":"iommu/amd: Do not reallocate GA log buffers on resume","CVE":"CVE-2026-98003","Year":"2026"},"notes":[{"CveYear":"2026","CveId":"98003","Ordinal":"1","NoteData":"In the Linux kernel, the following vulnerability has been resolved:\n\niommu/amd: Do not reallocate GA log buffers on resume\n\nCommit c5e1a1eb9279 (\"iommu/amd: Simplify and Consolidate Virtual APIC\n(AVIC) Enablement\") moved the GA log allocation from iommu_init_pci()\nto enable_iommus_vapic(), which is called on every resume.\n\niommu_init_ga_log() assigns iommu->ga_log and iommu->ga_log_tail\nunconditionally. Each resume therefore replaces the boot-time pointers\nand leaks both old allocations. The function also uses GFP_KERNEL from a\nsyscore resume callback, where interrupts are disabled and the non-boot\nCPUs are offline.\n\nReturn early if both buffers are already allocated. Clear the pointers\nin free_ga_log() so a partial allocation failure cannot leave ga_log\ndangling.","Type":"Description","Title":"iommu/amd: Do not reallocate GA log buffers on resume"}]}}}