CVE-2026-93118

{"dataType": "CVE_RECORD", "dataVersion": "5.2", "cveMetadata": {"cveId": "CVE-2026-93118", "assignerOrgId": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "state": "PUBLISHED", "assignerShortName": "Linux", "dateReserved": "2026-09-17T16:02:15.086Z", "datePublished": "2026-09-17T16:11:25.186Z", "dateUpdated": "2026-10-19T09:05:51.880Z"}, "containers": {"cna": {"providerMetadata": {"orgId": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "shortName": "Linux", "dateUpdated": "2026-10-19T09:05:51.880Z"}, "descriptions": [{"lang": "en", "value": "In the Linux kernel, the following vulnerability has been resolved:\n\nusb: gadget: aspeed_udc: check endpoint DMA allocation\n\nast_udc_probe() allocates a coherent DMA buffer used as the backing store\nfor endpoint buffers. ast_udc_init_ep() derives per-endpoint buffer\npointers from udc->ep0_buf, so a failed allocation is dereferenced during\nprobe.\n\nCheck the allocation before endpoint setup. The existing probe error path\ncalled ast_udc_remove(), which unregisters the gadget unconditionally and\nis not safe before usb_add_gadget_udc() succeeds. Add a local cleanup\nhelper for probe failures so pre-registration failures only unwind the\nresources that were actually initialized.\n\nThis was found by a local static analysis checker for unchecked allocator\nreturns while scanning Linux 6.16. The change was checked by applying it\nto current mainline and by running checkpatch. I do not have access to\nAspeed UDC hardware, so no runtime testing was performed."}], "affected": [{"product": "Linux", "vendor": "Linux", "defaultStatus": "unaffected", "repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git", "programFiles": ["drivers/usb/gadget/udc/aspeed_udc.c"], "versions": [{"version": "055276c1320564b0192b3af323b8cc67f9b665e1", "lessThan": "d7ae1a48e70e9c3451b7dc7bc3896c82884bc4df", "status": "affected", "versionType": "git"}, {"version": "055276c1320564b0192b3af323b8cc67f9b665e1", "lessThan": "4aaad88f857498ed1294f061f0b25d27ae891c55", "status": "affected", "versionType": "git"}, {"version": "055276c1320564b0192b3af323b8cc67f9b665e1", "lessThan": "6182e708e2e1f55521c8a01d7535630ecc2d7df9", "status": "affected", "versionType": "git"}, {"version": "055276c1320564b0192b3af323b8cc67f9b665e1", "lessThan": "ff6e88e29965bd06f640e59acdcf0bbf04a7f55c", "status": "affected", "versionType": "git"}, {"version": "055276c1320564b0192b3af323b8cc67f9b665e1", "lessThan": "9e6f57107c1886052d4baaa047a2bc3d0e91be5d", "status": "affected", "versionType": "git"}, {"version": "055276c1320564b0192b3af323b8cc67f9b665e1", "lessThan": "97cee53a94be3bd4fd8fbed6071bd2f32dad1ab1", "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/usb/gadget/udc/aspeed_udc.c"], "versions": [{"version": "6.0", "status": "affected"}, {"version": "0", "lessThan": "6.0", "status": "unaffected", "versionType": "semver"}, {"version": "6.1.188", "lessThanOrEqual": "6.1.*", "status": "unaffected", "versionType": "semver"}, {"version": "6.6.157", "lessThanOrEqual": "6.6.*", "status": "unaffected", "versionType": "semver"}, {"version": "6.12.110", "lessThanOrEqual": "6.12.*", "status": "unaffected", "versionType": "semver"}, {"version": "6.18.52", "lessThanOrEqual": "6.18.*", "status": "unaffected", "versionType": "semver"}, {"version": "7.2.6", "lessThanOrEqual": "7.2.*", "status": "unaffected", "versionType": "semver"}, {"version": "7.3", "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": "6.0", "versionEndExcluding": "6.1.188"}, {"vulnerable": true, "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*", "versionStartIncluding": "6.0", "versionEndExcluding": "6.6.157"}, {"vulnerable": true, "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*", "versionStartIncluding": "6.0", "versionEndExcluding": "6.12.110"}, {"vulnerable": true, "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*", "versionStartIncluding": "6.0", "versionEndExcluding": "6.18.52"}, {"vulnerable": true, "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*", "versionStartIncluding": "6.0", "versionEndExcluding": "7.2.6"}, {"vulnerable": true, "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*", "versionStartIncluding": "6.0", "versionEndExcluding": "7.3"}]}]}], "references": [{"url": "https://git.kernel.org/stable/c/d7ae1a48e70e9c3451b7dc7bc3896c82884bc4df"}, {"url": "https://git.kernel.org/stable/c/4aaad88f857498ed1294f061f0b25d27ae891c55"}, {"url": "https://git.kernel.org/stable/c/6182e708e2e1f55521c8a01d7535630ecc2d7df9"}, {"url": "https://git.kernel.org/stable/c/ff6e88e29965bd06f640e59acdcf0bbf04a7f55c"}, {"url": "https://git.kernel.org/stable/c/9e6f57107c1886052d4baaa047a2bc3d0e91be5d"}, {"url": "https://git.kernel.org/stable/c/97cee53a94be3bd4fd8fbed6071bd2f32dad1ab1"}], "title": "usb: gadget: aspeed_udc: check endpoint DMA allocation", "x_generator": {"engine": "bippy-1.2.0"}}}}

{}

{"affected": [{"affectedData": [{"defaultStatus": "unaffected", "product": "Linux", "programFiles": ["drivers/usb/gadget/udc/aspeed_udc.c"], "repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git", "vendor": "Linux", "versions": [{"lessThan": "d7ae1a48e70e9c3451b7dc7bc3896c82884bc4df", "status": "affected", "version": "055276c1320564b0192b3af323b8cc67f9b665e1", "versionType": "git"}, {"lessThan": "4aaad88f857498ed1294f061f0b25d27ae891c55", "status": "affected", "version": "055276c1320564b0192b3af323b8cc67f9b665e1", "versionType": "git"}, {"lessThan": "6182e708e2e1f55521c8a01d7535630ecc2d7df9", "status": "affected", "version": "055276c1320564b0192b3af323b8cc67f9b665e1", "versionType": "git"}, {"lessThan": "ff6e88e29965bd06f640e59acdcf0bbf04a7f55c", "status": "affected", "version": "055276c1320564b0192b3af323b8cc67f9b665e1", "versionType": "git"}, {"lessThan": "9e6f57107c1886052d4baaa047a2bc3d0e91be5d", "status": "affected", "version": "055276c1320564b0192b3af323b8cc67f9b665e1", "versionType": "git"}, {"lessThan": "97cee53a94be3bd4fd8fbed6071bd2f32dad1ab1", "status": "affected", "version": "055276c1320564b0192b3af323b8cc67f9b665e1", "versionType": "git"}]}, {"defaultStatus": "affected", "product": "Linux", "programFiles": ["drivers/usb/gadget/udc/aspeed_udc.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": "6.1.*", "status": "unaffected", "version": "6.1.188", "versionType": "semver"}, {"lessThanOrEqual": "6.6.*", "status": "unaffected", "version": "6.6.157", "versionType": "semver"}, {"lessThanOrEqual": "6.12.*", "status": "unaffected", "version": "6.12.110", "versionType": "semver"}, {"lessThanOrEqual": "6.18.*", "status": "unaffected", "version": "6.18.52", "versionType": "semver"}, {"lessThanOrEqual": "7.2.*", "status": "unaffected", "version": "7.2.6", "versionType": "semver"}, {"lessThanOrEqual": "*", "status": "unaffected", "version": "7.3", "versionType": "original_commit_for_fix"}]}], "source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67"}], "cveTags": [], "descriptions": [{"lang": "en", "value": "In the Linux kernel, the following vulnerability has been resolved:\n\nusb: gadget: aspeed_udc: check endpoint DMA allocation\n\nast_udc_probe() allocates a coherent DMA buffer used as the backing store\nfor endpoint buffers. ast_udc_init_ep() derives per-endpoint buffer\npointers from udc->ep0_buf, so a failed allocation is dereferenced during\nprobe.\n\nCheck the allocation before endpoint setup. The existing probe error path\ncalled ast_udc_remove(), which unregisters the gadget unconditionally and\nis not safe before usb_add_gadget_udc() succeeds. Add a local cleanup\nhelper for probe failures so pre-registration failures only unwind the\nresources that were actually initialized.\n\nThis was found by a local static analysis checker for unchecked allocator\nreturns while scanning Linux 6.16. The change was checked by applying it\nto current mainline and by running checkpatch. I do not have access to\nAspeed UDC hardware, so no runtime testing was performed."}], "id": "CVE-2026-93118", "lastModified": "2026-10-19T10:17:01.783", "metrics": {}, "published": "2026-09-17T17:18:06.427", "references": [{"source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "url": "https://git.kernel.org/stable/c/4aaad88f857498ed1294f061f0b25d27ae891c55"}, {"source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "url": "https://git.kernel.org/stable/c/6182e708e2e1f55521c8a01d7535630ecc2d7df9"}, {"source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "url": "https://git.kernel.org/stable/c/97cee53a94be3bd4fd8fbed6071bd2f32dad1ab1"}, {"source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "url": "https://git.kernel.org/stable/c/9e6f57107c1886052d4baaa047a2bc3d0e91be5d"}, {"source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "url": "https://git.kernel.org/stable/c/d7ae1a48e70e9c3451b7dc7bc3896c82884bc4df"}, {"source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "url": "https://git.kernel.org/stable/c/ff6e88e29965bd06f640e59acdcf0bbf04a7f55c"}], "sourceIdentifier": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "vulnStatus": "Received"}

{}

{"affected": [{"configurations": [{"platform": null, "status": "affected", "versions": {"scheme": "code_commit", "value": "[055276c1320564b0192b3af323b8cc67f9b665e1,d7ae1a48e70e9c3451b7dc7bc3896c82884bc4df)"}}, {"platform": null, "status": "affected", "versions": {"scheme": "code_commit", "value": "[055276c1320564b0192b3af323b8cc67f9b665e1,4aaad88f857498ed1294f061f0b25d27ae891c55)"}}, {"platform": null, "status": "affected", "versions": {"scheme": "code_commit", "value": "[055276c1320564b0192b3af323b8cc67f9b665e1,6182e708e2e1f55521c8a01d7535630ecc2d7df9)"}}, {"platform": null, "status": "affected", "versions": {"scheme": "code_commit", "value": "[055276c1320564b0192b3af323b8cc67f9b665e1,ff6e88e29965bd06f640e59acdcf0bbf04a7f55c)"}}, {"platform": null, "status": "affected", "versions": {"scheme": "code_commit", "value": "[055276c1320564b0192b3af323b8cc67f9b665e1,9e6f57107c1886052d4baaa047a2bc3d0e91be5d)"}}, {"platform": null, "status": "affected", "versions": {"scheme": "code_commit", "value": "[055276c1320564b0192b3af323b8cc67f9b665e1,97cee53a94be3bd4fd8fbed6071bd2f32dad1ab1)"}}], "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": "6.0"}}, {"platform": null, "status": "unaffected", "versions": {"scheme": "generic", "value": "[0,6.0)"}}, {"platform": null, "status": "unaffected", "versions": {"scheme": "semver", "value": "[6.1.188,6.2.0)"}}, {"platform": null, "status": "unaffected", "versions": {"scheme": "semver", "value": "[6.6.157,6.7.0)"}}, {"platform": null, "status": "unaffected", "versions": {"scheme": "semver", "value": "[6.12.110,6.13.0)"}}, {"platform": null, "status": "unaffected", "versions": {"scheme": "semver", "value": "[6.18.52,6.19.0)"}}, {"platform": null, "status": "unaffected", "versions": {"scheme": "semver", "value": "[7.2.6,7.3.0)"}}, {"platform": null, "status": "unaffected", "versions": {"scheme": "generic", "value": "[7.3-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": "2026-09-19T07:15:13.938734+00:00", "updated": "2026-09-20T06:45:17.722399+00:00", "vendors": ["linux", "linux$PRODUCT$linux_kernel"], "weaknesses": ["CWE-476"]}