{"api_version":"1","generated_at":"2026-08-28T09:31:28+00:00","cve":"CVE-2026-80706","urls":{"html":"https://cve.report/CVE-2026-80706","api":"https://cve.report/api/cve/CVE-2026-80706.json","docs":"https://cve.report/api","cve_org":"https://www.cve.org/CVERecord?id=CVE-2026-80706","nvd":"https://nvd.nist.gov/vuln/detail/CVE-2026-80706"},"summary":{"title":"can: softing: fw_parse(): validate firmware record spans","description":"In the Linux kernel, the following vulnerability has been resolved:\n\ncan: softing: fw_parse(): validate firmware record spans\n\nfw_parse() reads a fixed record header, a firmware-provided payload,\nand a trailing checksum without knowing the end of the firmware blob. A\ntruncated record can therefore make those reads exceed the blob.\n\nThe same record also supplies addresses and lengths for writes into\nDPRAM. The generic loader uses wrap-prone mixed signed arithmetic for its\nbounds check, while the application loader does not bound the staging\ncopy at all.\n\nPass the firmware end to the parser and validate the full source record.\nUse a signed wide offset for generic DPRAM records and validate the\napplication staging span against the mapped DPRAM before copying.","state":"PUBLISHED","assigner":"Linux","published_at":"2026-08-28 08:16:56","updated_at":"2026-08-28 08:16:56"},"problem_types":[],"metrics":[],"references":[{"url":"https://git.kernel.org/stable/c/84c850b08fc0d671c245144b619683129b55690a","name":"https://git.kernel.org/stable/c/84c850b08fc0d671c245144b619683129b55690a","refsource":"416baaa9-dc9f-4396-8d5f-8c081fb06d67","tags":[],"title":"","mime":"","httpstatus":"","archivestatus":"0"},{"url":"https://git.kernel.org/stable/c/ad331e26fd213a19fee0de18cdacd67b7ff5b478","name":"https://git.kernel.org/stable/c/ad331e26fd213a19fee0de18cdacd67b7ff5b478","refsource":"416baaa9-dc9f-4396-8d5f-8c081fb06d67","tags":[],"title":"","mime":"","httpstatus":"","archivestatus":"0"},{"url":"https://git.kernel.org/stable/c/d0eac0ea7cf493e787fd7b4a556e43ef03cb4b50","name":"https://git.kernel.org/stable/c/d0eac0ea7cf493e787fd7b4a556e43ef03cb4b50","refsource":"416baaa9-dc9f-4396-8d5f-8c081fb06d67","tags":[],"title":"","mime":"","httpstatus":"","archivestatus":"0"},{"url":"https://git.kernel.org/stable/c/f6d9a6a9512430b395a1940d7b216394fd02d30b","name":"https://git.kernel.org/stable/c/f6d9a6a9512430b395a1940d7b216394fd02d30b","refsource":"416baaa9-dc9f-4396-8d5f-8c081fb06d67","tags":[],"title":"","mime":"","httpstatus":"","archivestatus":"0"},{"url":"https://git.kernel.org/stable/c/808ed899dcf8bdef66894fda5eb7ee4bb0eb8dc1","name":"https://git.kernel.org/stable/c/808ed899dcf8bdef66894fda5eb7ee4bb0eb8dc1","refsource":"416baaa9-dc9f-4396-8d5f-8c081fb06d67","tags":[],"title":"","mime":"","httpstatus":"","archivestatus":"0"},{"url":"https://git.kernel.org/stable/c/856d6cb04e5407523566b075841dcd6423757d1c","name":"https://git.kernel.org/stable/c/856d6cb04e5407523566b075841dcd6423757d1c","refsource":"416baaa9-dc9f-4396-8d5f-8c081fb06d67","tags":[],"title":"","mime":"","httpstatus":"","archivestatus":"0"},{"url":"https://git.kernel.org/stable/c/2ee477e541a6d5e434d6a4041c6b677ab42e1d82","name":"https://git.kernel.org/stable/c/2ee477e541a6d5e434d6a4041c6b677ab42e1d82","refsource":"416baaa9-dc9f-4396-8d5f-8c081fb06d67","tags":[],"title":"","mime":"","httpstatus":"","archivestatus":"0"},{"url":"https://git.kernel.org/stable/c/ae588e5b9cc268de1aabf30f939f0870717ca164","name":"https://git.kernel.org/stable/c/ae588e5b9cc268de1aabf30f939f0870717ca164","refsource":"416baaa9-dc9f-4396-8d5f-8c081fb06d67","tags":[],"title":"","mime":"","httpstatus":"","archivestatus":"0"},{"url":"https://www.cve.org/CVERecord?id=CVE-2026-80706","name":"CVE Program record","refsource":"CVE.ORG","tags":["canonical"]},{"url":"https://nvd.nist.gov/vuln/detail/CVE-2026-80706","name":"NVD vulnerability detail","refsource":"NVD","tags":["canonical","analysis"]}],"affected":[{"source":"CNA","vendor":"Linux","product":"Linux","version":"affected 03fd3cf5a179da12e6bee5e9d74b648aff68dc4c f6d9a6a9512430b395a1940d7b216394fd02d30b git","platforms":[]},{"source":"CNA","vendor":"Linux","product":"Linux","version":"affected 03fd3cf5a179da12e6bee5e9d74b648aff68dc4c 84c850b08fc0d671c245144b619683129b55690a git","platforms":[]},{"source":"CNA","vendor":"Linux","product":"Linux","version":"affected 03fd3cf5a179da12e6bee5e9d74b648aff68dc4c d0eac0ea7cf493e787fd7b4a556e43ef03cb4b50 git","platforms":[]},{"source":"CNA","vendor":"Linux","product":"Linux","version":"affected 03fd3cf5a179da12e6bee5e9d74b648aff68dc4c ae588e5b9cc268de1aabf30f939f0870717ca164 git","platforms":[]},{"source":"CNA","vendor":"Linux","product":"Linux","version":"affected 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semver","platforms":[]},{"source":"CNA","vendor":"Linux","product":"Linux","version":"unaffected 5.15.216 5.15.* semver","platforms":[]},{"source":"CNA","vendor":"Linux","product":"Linux","version":"unaffected 6.1.183 6.1.* semver","platforms":[]},{"source":"CNA","vendor":"Linux","product":"Linux","version":"unaffected 6.6.151 6.6.* semver","platforms":[]},{"source":"CNA","vendor":"Linux","product":"Linux","version":"unaffected 6.12.103 6.12.* semver","platforms":[]},{"source":"CNA","vendor":"Linux","product":"Linux","version":"unaffected 6.18.44 6.18.* semver","platforms":[]},{"source":"CNA","vendor":"Linux","product":"Linux","version":"unaffected 7.1.8 7.1.* semver","platforms":[]},{"source":"CNA","vendor":"Linux","product":"Linux","version":"unaffected 7.2 * 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the Linux kernel, the following vulnerability has been resolved:\n\ncan: softing: fw_parse(): validate firmware record spans\n\nfw_parse() reads a fixed record header, a firmware-provided payload,\nand a trailing checksum without knowing the end of the firmware blob. A\ntruncated record can therefore make those reads exceed the blob.\n\nThe same record also supplies addresses and lengths for writes into\nDPRAM. The generic loader uses wrap-prone mixed signed arithmetic for its\nbounds check, while the application loader does not bound the staging\ncopy at all.\n\nPass the firmware end to the parser and validate the full source record.\nUse a signed wide offset for generic DPRAM records and validate the\napplication staging span against the mapped DPRAM before copying."}],"providerMetadata":{"dateUpdated":"2026-08-28T06:53:07.640Z","orgId":"416baaa9-dc9f-4396-8d5f-8c081fb06d67","shortName":"Linux"},"references":[{"url":"https://git.kernel.org/stable/c/f6d9a6a9512430b395a1940d7b216394fd02d30b"},{"url":"https://git.kernel.org/stable/c/84c850b08fc0d671c245144b619683129b55690a"},{"url":"https://git.kernel.org/stable/c/d0eac0ea7cf493e787fd7b4a556e43ef03cb4b50"},{"url":"https://git.kernel.org/stable/c/ae588e5b9cc268de1aabf30f939f0870717ca164"},{"url":"https://git.kernel.org/stable/c/ad331e26fd213a19fee0de18cdacd67b7ff5b478"},{"url":"https://git.kernel.org/stable/c/2ee477e541a6d5e434d6a4041c6b677ab42e1d82"},{"url":"https://git.kernel.org/stable/c/808ed899dcf8bdef66894fda5eb7ee4bb0eb8dc1"},{"url":"https://git.kernel.org/stable/c/856d6cb04e5407523566b075841dcd6423757d1c"}],"title":"can: softing: fw_parse(): validate firmware record spans","x_generator":{"engine":"bippy-1.2.0"}}},"cveMetadata":{"assignerOrgId":"416baaa9-dc9f-4396-8d5f-8c081fb06d67","assignerShortName":"Linux","cveId":"CVE-2026-80706","datePublished":"2026-08-28T06:53:07.640Z","dateReserved":"2026-08-26T14:34:25.787Z","dateUpdated":"2026-08-28T06:53:07.640Z","state":"PUBLISHED"},"dataType":"CVE_RECORD","dataVersion":"5.2"},"nvd":{"publishedDate":"2026-08-28 08:16:56","lastModifiedDate":"2026-08-28 08:16:56","problem_types":[],"metrics":[],"configurations":[]},"legacy_mitre":{"record":{"CveYear":"2026","CveId":"80706","Ordinal":"1","Title":"can: softing: fw_parse(): validate firmware record spans","CVE":"CVE-2026-80706","Year":"2026"},"notes":[{"CveYear":"2026","CveId":"80706","Ordinal":"1","NoteData":"In the Linux kernel, the following vulnerability has been resolved:\n\ncan: softing: fw_parse(): validate firmware record spans\n\nfw_parse() reads a fixed record header, a firmware-provided payload,\nand a trailing checksum without knowing the end of the firmware blob. A\ntruncated record can therefore make those reads exceed the blob.\n\nThe same record also supplies addresses and lengths for writes into\nDPRAM. The generic loader uses wrap-prone mixed signed arithmetic for its\nbounds check, while the application loader does not bound the staging\ncopy at all.\n\nPass the firmware end to the parser and validate the full source record.\nUse a signed wide offset for generic DPRAM records and validate the\napplication staging span against the mapped DPRAM before copying.","Type":"Description","Title":"can: softing: fw_parse(): validate firmware record spans"}]}}}