{"dataType": "CVE_RECORD", "dataVersion": "5.2", "cveMetadata": {"cveId": "CVE-2026-46077", "assignerOrgId": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "state": "PUBLISHED", "assignerShortName": "Linux", "dateReserved": "2026-05-13T15:03:33.096Z", "datePublished": "2026-05-27T12:58:10.542Z", "dateUpdated": "2026-05-27T12:58:10.542Z"}, "containers": {"cna": {"providerMetadata": {"orgId": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "shortName": "Linux", "dateUpdated": "2026-05-27T12:58:10.542Z"}, "descriptions": [{"lang": "en", "value": "In the Linux kernel, the following vulnerability has been resolved:\n\ncrypto: atmel-tdes - fix DMA sync direction\n\nBefore DMA output is consumed by the CPU, ->dma_addr_out must be synced\nwith dma_sync_single_for_cpu() instead of dma_sync_single_for_device().\nUsing the wrong direction can return stale cache data on non-coherent\nplatforms."}], "affected": [{"product": "Linux", "vendor": "Linux", "defaultStatus": "unaffected", "repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git", "programFiles": ["drivers/crypto/atmel-tdes.c"], "versions": [{"version": "13802005d8f2db244ec1f5d7f6923de8f7a463db", "lessThan": "5281e6e2302362f6b75b70cbfe4098d2a25dafd9", "status": "affected", "versionType": "git"}, {"version": "13802005d8f2db244ec1f5d7f6923de8f7a463db", "lessThan": "12a0adfe498cd5d87e6365d7ca5f6b3eed79e523", "status": "affected", "versionType": "git"}, {"version": "13802005d8f2db244ec1f5d7f6923de8f7a463db", "lessThan": "863d11b3927703ad95077c81a8a6489c5c7872f7", "status": "affected", "versionType": "git"}, {"version": "13802005d8f2db244ec1f5d7f6923de8f7a463db", "lessThan": "b5f5df801d161ba244f391519cbff2f4e5c6edc2", "status": "affected", "versionType": "git"}, {"version": "13802005d8f2db244ec1f5d7f6923de8f7a463db", "lessThan": "c8a9a647532f5c2a04180352693215e24e9dba03", "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/crypto/atmel-tdes.c"], "versions": [{"version": "3.6", "status": "affected"}, {"version": "0", "lessThan": "3.6", "status": "unaffected", "versionType": "semver"}, {"version": "6.6.140", "lessThanOrEqual": "6.6.*", "status": "unaffected", "versionType": "semver"}, {"version": "6.12.86", "lessThanOrEqual": "6.12.*", "status": "unaffected", "versionType": "semver"}, {"version": "6.18.27", "lessThanOrEqual": "6.18.*", "status": "unaffected", "versionType": "semver"}, {"version": "7.0.4", "lessThanOrEqual": "7.0.*", "status": "unaffected", "versionType": "semver"}, {"version": "7.1-rc1", "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": "3.6", "versionEndExcluding": "6.6.140"}, {"vulnerable": true, "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*", "versionStartIncluding": "3.6", "versionEndExcluding": "6.12.86"}, {"vulnerable": true, "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*", "versionStartIncluding": "3.6", "versionEndExcluding": "6.18.27"}, {"vulnerable": true, "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*", "versionStartIncluding": "3.6", "versionEndExcluding": "7.0.4"}, {"vulnerable": true, "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*", "versionStartIncluding": "3.6", "versionEndExcluding": "7.1-rc1"}]}]}], "references": [{"url": "https://git.kernel.org/stable/c/5281e6e2302362f6b75b70cbfe4098d2a25dafd9"}, {"url": "https://git.kernel.org/stable/c/12a0adfe498cd5d87e6365d7ca5f6b3eed79e523"}, {"url": "https://git.kernel.org/stable/c/863d11b3927703ad95077c81a8a6489c5c7872f7"}, {"url": "https://git.kernel.org/stable/c/b5f5df801d161ba244f391519cbff2f4e5c6edc2"}, {"url": "https://git.kernel.org/stable/c/c8a9a647532f5c2a04180352693215e24e9dba03"}], "title": "crypto: atmel-tdes - fix DMA sync direction", "x_generator": {"engine": "bippy-1.2.0"}}}}

{}

{"cveTags": [], "descriptions": [{"lang": "en", "value": "In the Linux kernel, the following vulnerability has been resolved:\n\ncrypto: atmel-tdes - fix DMA sync direction\n\nBefore DMA output is consumed by the CPU, ->dma_addr_out must be synced\nwith dma_sync_single_for_cpu() instead of dma_sync_single_for_device().\nUsing the wrong direction can return stale cache data on non-coherent\nplatforms."}], "id": "CVE-2026-46077", "lastModified": "2026-05-27T14:48:03.013", "metrics": {}, "published": "2026-05-27T14:17:29.040", "references": [{"source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "url": "https://git.kernel.org/stable/c/12a0adfe498cd5d87e6365d7ca5f6b3eed79e523"}, {"source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "url": "https://git.kernel.org/stable/c/5281e6e2302362f6b75b70cbfe4098d2a25dafd9"}, {"source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "url": "https://git.kernel.org/stable/c/863d11b3927703ad95077c81a8a6489c5c7872f7"}, {"source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "url": "https://git.kernel.org/stable/c/b5f5df801d161ba244f391519cbff2f4e5c6edc2"}, {"source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "url": "https://git.kernel.org/stable/c/c8a9a647532f5c2a04180352693215e24e9dba03"}], "sourceIdentifier": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "vulnStatus": "Awaiting Analysis"}

{"bugzilla": {"description": "kernel: crypto: atmel-tdes - fix DMA sync direction", "id": "2481974", "url": "https://bugzilla.redhat.com/show_bug.cgi?id=2481974"}, "csaw": false, "cwe": "CWE-821", "details": ["A flaw was found in the Linux kernel's `atmel-tdes` cryptographic module. This vulnerability arises from an incorrect DMA (Direct Memory Access) synchronization direction, which can cause the system to process outdated data from the cache on non-coherent platforms. The primary consequence is the potential disclosure of stale information, which could affect the integrity of cryptographic operations."], "name": "CVE-2026-46077", "package_state": [{"cpe": "cpe:/o:redhat:enterprise_linux:10", "fix_state": "Not affected", "package_name": "kernel", "product_name": "Red Hat Enterprise Linux 10"}, {"cpe": "cpe:/o:redhat:enterprise_linux:6", "fix_state": "Not affected", "package_name": "kernel", "product_name": "Red Hat Enterprise Linux 6"}, {"cpe": "cpe:/o:redhat:enterprise_linux:7", "fix_state": "Not affected", "package_name": "kernel", "product_name": "Red Hat Enterprise Linux 7"}, {"cpe": "cpe:/o:redhat:enterprise_linux:7", "fix_state": "Not affected", "package_name": "kernel-rt", "product_name": "Red Hat Enterprise Linux 7"}, {"cpe": "cpe:/o:redhat:enterprise_linux:8", "fix_state": "Not affected", "package_name": "kernel", "product_name": "Red Hat Enterprise Linux 8"}, {"cpe": "cpe:/o:redhat:enterprise_linux:8", "fix_state": "Not affected", "package_name": "kernel-rt", "product_name": "Red Hat Enterprise Linux 8"}, {"cpe": "cpe:/o:redhat:enterprise_linux:9", "fix_state": "Not affected", "package_name": "kernel", "product_name": "Red Hat Enterprise Linux 9"}, {"cpe": "cpe:/o:redhat:enterprise_linux:9", "fix_state": "Not affected", "package_name": "kernel-rt", "product_name": "Red Hat Enterprise Linux 9"}], "public_date": "2026-05-27T00:00:00Z", "references": ["https://www.cve.org/CVERecord?id=CVE-2026-46077\nhttps://nvd.nist.gov/vuln/detail/CVE-2026-46077\nhttps://lore.kernel.org/linux-cve-announce/2026052759-CVE-2026-46077-58d5@gregkh/T"]}

{"affected": [{"configurations": [{"platform": null, "status": "affected", "versions": {"scheme": "code_commit", "value": "[13802005d8f2db244ec1f5d7f6923de8f7a463db,5281e6e2302362f6b75b70cbfe4098d2a25dafd9)"}}, {"platform": null, "status": "affected", "versions": {"scheme": "code_commit", "value": "[13802005d8f2db244ec1f5d7f6923de8f7a463db,12a0adfe498cd5d87e6365d7ca5f6b3eed79e523)"}}, {"platform": null, "status": "affected", "versions": {"scheme": "code_commit", "value": "[13802005d8f2db244ec1f5d7f6923de8f7a463db,863d11b3927703ad95077c81a8a6489c5c7872f7)"}}, {"platform": null, "status": "affected", "versions": {"scheme": "code_commit", "value": "[13802005d8f2db244ec1f5d7f6923de8f7a463db,b5f5df801d161ba244f391519cbff2f4e5c6edc2)"}}, {"platform": null, "status": "affected", "versions": {"scheme": "code_commit", "value": "[13802005d8f2db244ec1f5d7f6923de8f7a463db,c8a9a647532f5c2a04180352693215e24e9dba03)"}}], "enrichment": {"confidence": 99.0, "confidence_source": "inferred", "scores": [{"score": 99.0, "source": "inferred"}, {"score": 100.0, "source": "matching"}]}, "original": {"product": "Linux", "source": "cna", "vendor": "Linux"}, "product": "linux_kernel", "vendor": "linux"}, {"configurations": [{"platform": null, "status": "affected", "versions": {"scheme": "generic", "value": "3.6"}}, {"platform": null, "status": "unaffected", "versions": {"scheme": "generic", "value": "[0,3.6)"}}, {"platform": null, "status": "unaffected", "versions": {"scheme": "semver", "value": "[6.6.140,6.7.0)"}}, {"platform": null, "status": "unaffected", "versions": {"scheme": "semver", "value": "[6.12.86,6.13.0)"}}, {"platform": null, "status": "unaffected", "versions": {"scheme": "semver", "value": "[6.18.27,6.19.0)"}}, {"platform": null, "status": "unaffected", "versions": {"scheme": "semver", "value": "[7.0.4,7.1.0)"}}, {"platform": null, "status": "unaffected", "versions": {"scheme": "generic", "value": "[7.1-rc1,*]"}}], "enrichment": {"confidence": 99.0, "confidence_source": "inferred", "scores": [{"score": 99.0, "source": "inferred"}, {"score": 100.0, "source": "matching"}]}, "original": {"product": "Linux", "source": "cna", "vendor": "Linux"}, "product": "linux_kernel", "vendor": "linux"}], "created": "2026-05-27T18:15:21.493049+00:00", "updated": "2026-05-29T07:30:36.313730+00:00", "vendors": ["linux", "linux$PRODUCT$linux_kernel"]}