{"api_version":"1","generated_at":"2026-09-27T15:13:25+00:00","cve":"CVE-2026-98155","urls":{"html":"https://cve.report/CVE-2026-98155","api":"https://cve.report/api/cve/CVE-2026-98155.json","docs":"https://cve.report/api","cve_org":"https://www.cve.org/CVERecord?id=CVE-2026-98155","nvd":"https://nvd.nist.gov/vuln/detail/CVE-2026-98155"},"summary":{"title":"accel/qaic: Address potential out-of-bounds read in resp_worker()","description":"In the Linux kernel, the following vulnerability has been resolved:\n\naccel/qaic: Address potential out-of-bounds read in resp_worker()\n\nAlthough 'commit 2feec5ae5df7 (\"accel/qaic: Handle DBC deactivation if the\nowner went away\")' fixes the scenario it was intended for by walking the\nmessage and only decoding QAIC_TRANS_DEACTIVATE_FROM_DEV, if present, it\nskipped over the bounds checking code that is included in decode_message().\nThis could lead to issues such as reading past the slab allocation's end,\ninfinite loops or kernel panics. For those issues to happen, a malformed\nwire message is needed to be sent from the device.\n\nInstead of duplicating the bounds checking code already present in\ndecode_message(), use the function inside resp_worker().","state":"PUBLISHED","assigner":"Linux","published_at":"2026-09-25 11:17:47","updated_at":"2026-09-25 11:17:47"},"problem_types":[],"metrics":[],"references":[{"url":"https://git.kernel.org/stable/c/c72e81ee46bdd4c221114d6e9515e9b4647616d7","name":"https://git.kernel.org/stable/c/c72e81ee46bdd4c221114d6e9515e9b4647616d7","refsource":"416baaa9-dc9f-4396-8d5f-8c081fb06d67","tags":[],"title":"","mime":"","httpstatus":"","archivestatus":"0"},{"url":"https://git.kernel.org/stable/c/12deeade460d47031267256ba07add51cc7eabd0","name":"https://git.kernel.org/stable/c/12deeade460d47031267256ba07add51cc7eabd0","refsource":"416baaa9-dc9f-4396-8d5f-8c081fb06d67","tags":[],"title":"","mime":"","httpstatus":"","archivestatus":"0"},{"url":"https://git.kernel.org/stable/c/ab243f74ab4084ca5c8dec608cb5b0deb27db067","name":"https://git.kernel.org/stable/c/ab243f74ab4084ca5c8dec608cb5b0deb27db067","refsource":"416baaa9-dc9f-4396-8d5f-8c081fb06d67","tags":[],"title":"","mime":"","httpstatus":"","archivestatus":"0"},{"url":"https://git.kernel.org/stable/c/f4b64488f3deca63f7fbc7d7c3835b2e668003f9","name":"https://git.kernel.org/stable/c/f4b64488f3deca63f7fbc7d7c3835b2e668003f9","refsource":"416baaa9-dc9f-4396-8d5f-8c081fb06d67","tags":[],"title":"","mime":"","httpstatus":"","archivestatus":"0"},{"url":"https://www.cve.org/CVERecord?id=CVE-2026-98155","name":"CVE Program record","refsource":"CVE.ORG","tags":["canonical"]},{"url":"https://nvd.nist.gov/vuln/detail/CVE-2026-98155","name":"NVD vulnerability detail","refsource":"NVD","tags":["canonical","analysis"]}],"affected":[{"source":"CNA","vendor":"Linux","product":"Linux","version":"affected 08021f2d4a557d6491e3bcc288e96425f50aa3cf f4b64488f3deca63f7fbc7d7c3835b2e668003f9 git","platforms":[]},{"source":"CNA","vendor":"Linux","product":"Linux","version":"affected f403094d9075d7c565a3d81002b781c325cb3c07 12deeade460d47031267256ba07add51cc7eabd0 git","platforms":[]},{"source":"CNA","vendor":"Linux","product":"Linux","version":"affected 2feec5ae5df785658924ab6bd91280dc3926507c c72e81ee46bdd4c221114d6e9515e9b4647616d7 git","platforms":[]},{"source":"CNA","vendor":"Linux","product":"Linux","version":"affected 2feec5ae5df785658924ab6bd91280dc3926507c ab243f74ab4084ca5c8dec608cb5b0deb27db067 git","platforms":[]},{"source":"CNA","vendor":"Linux","product":"Linux","version":"affected 2dd67966f39a2abf8ccb4865031c722e40e01b7f git","platforms":[]},{"source":"CNA","vendor":"Linux","product":"Linux","version":"affected ee0180e77e6c8482644569632065411de844c515 git","platforms":[]},{"source":"CNA","vendor":"Linux","product":"Linux","version":"affected 6.12.81 6.12.111 semver","platforms":[]},{"source":"CNA","vendor":"Linux","product":"Linux","version":"affected 6.18.22 6.18.53 semver","platforms":[]},{"source":"CNA","vendor":"Linux","product":"Linux","version":"affected 6.6.134 6.7 semver","platforms":[]},{"source":"CNA","vendor":"Linux","product":"Linux","version":"affected 6.19.12 6.20 semver","platforms":[]},{"source":"CNA","vendor":"Linux","product":"Linux","version":"affected 7.0","platforms":[]},{"source":"CNA","vendor":"Linux","product":"Linux","version":"unaffected 7.0 semver","platforms":[]},{"source":"CNA","vendor":"Linux","product":"Linux","version":"unaffected 6.12.111 6.12.* 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-rc2 * original_commit_for_fix","platforms":[]}],"timeline":[],"solutions":[],"workarounds":[],"exploits":[],"credits":[],"nvd_cpes":[],"vendor_comments":[],"enrichments":{"kev":null,"epss":{"cve_year":"2026","cve_id":"98155","cve":"CVE-2026-98155","epss":"0.001570000","percentile":"0.041290000","score_date":"2026-09-26","updated_at":"2026-09-27 00:04:19"},"legacy_qids":[]},"source_records":{"cve_program":{"containers":{"cna":{"affected":[{"defaultStatus":"unaffected","product":"Linux","programFiles":["drivers/accel/qaic/qaic_control.c"],"repo":"https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git","vendor":"Linux","versions":[{"lessThan":"f4b64488f3deca63f7fbc7d7c3835b2e668003f9","status":"affected","version":"08021f2d4a557d6491e3bcc288e96425f50aa3cf","versionType":"git"},{"lessThan":"12deeade460d47031267256ba07add51cc7eabd0","status":"affected","version":"f403094d9075d7c565a3d81002b781c325cb3c07","versionType":"git"},{"lessThan":"c72e81ee46bdd4c221114d6e9515e9b4647616d7","status":"affected","version":"2feec5ae5df785658924ab6bd91280dc3926507c","versionType":"git"},{"lessThan":"ab243f74ab4084ca5c8dec608cb5b0deb27db067","status":"affected","version":"2feec5ae5df785658924ab6bd91280dc3926507c","versionType":"git"},{"status":"affected","version":"2dd67966f39a2abf8ccb4865031c722e40e01b7f","versionType":"git"},{"status":"affected","version":"ee0180e77e6c8482644569632065411de844c515","versionType":"git"},{"lessThan":"6.12.111","status":"affected","version":"6.12.81","versionType":"semver"},{"lessThan":"6.18.53","status":"affected","version":"6.18.22","versionType":"semver"},{"lessThan":"6.7","status":"affected","version":"6.6.134","versionType":"semver"},{"lessThan":"6.20","status":"affected","version":"6.19.12","versionType":"semver"}]},{"defaultStatus":"affected","product":"Linux","programFiles":["drivers/accel/qaic/qaic_control.c"],"repo":"https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git","vendor":"Linux","versions":[{"status":"affected","version":"7.0"},{"lessThan":"7.0","status":"unaffected","version":"0","versionType":"semver"},{"lessThanOrEqual":"6.12.*","status":"unaffected","version":"6.12.111","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-rc2","versionType":"original_commit_for_fix"}]}],"cpeApplicability":[{"nodes":[{"cpeMatch":[{"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionEndExcluding":"6.12.111","versionStartIncluding":"6.12.81","vulnerable":true},{"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionEndExcluding":"6.18.53","versionStartIncluding":"6.18.22","vulnerable":true},{"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionEndExcluding":"7.2.7","versionStartIncluding":"7.0","vulnerable":true},{"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionEndExcluding":"7.3-rc2","versionStartIncluding":"7.0","vulnerable":true},{"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionStartIncluding":"6.6.134","vulnerable":true},{"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionStartIncluding":"6.19.12","vulnerable":true}],"negate":false,"operator":"OR"}]}],"descriptions":[{"lang":"en","value":"In the Linux kernel, the following vulnerability has been resolved:\n\naccel/qaic: Address potential out-of-bounds read in resp_worker()\n\nAlthough 'commit 2feec5ae5df7 (\"accel/qaic: Handle DBC deactivation if the\nowner went away\")' fixes the scenario it was intended for by walking the\nmessage and only decoding QAIC_TRANS_DEACTIVATE_FROM_DEV, if present, it\nskipped over the bounds checking code that is included in decode_message().\nThis could lead to issues such as reading past the slab allocation's end,\ninfinite loops or kernel panics. For those issues to happen, a malformed\nwire message is needed to be sent from the device.\n\nInstead of duplicating the bounds checking code already present in\ndecode_message(), use the function inside resp_worker()."}],"providerMetadata":{"dateUpdated":"2026-09-25T10:36:25.812Z","orgId":"416baaa9-dc9f-4396-8d5f-8c081fb06d67","shortName":"Linux"},"references":[{"url":"https://git.kernel.org/stable/c/f4b64488f3deca63f7fbc7d7c3835b2e668003f9"},{"url":"https://git.kernel.org/stable/c/12deeade460d47031267256ba07add51cc7eabd0"},{"url":"https://git.kernel.org/stable/c/c72e81ee46bdd4c221114d6e9515e9b4647616d7"},{"url":"https://git.kernel.org/stable/c/ab243f74ab4084ca5c8dec608cb5b0deb27db067"}],"title":"accel/qaic: Address potential out-of-bounds read in resp_worker()","x_generator":{"engine":"bippy-1.2.0"}}},"cveMetadata":{"assignerOrgId":"416baaa9-dc9f-4396-8d5f-8c081fb06d67","assignerShortName":"Linux","cveId":"CVE-2026-98155","datePublished":"2026-09-25T10:36:25.812Z","dateReserved":"2026-09-25T10:25:14.320Z","dateUpdated":"2026-09-25T10:36:25.812Z","state":"PUBLISHED"},"dataType":"CVE_RECORD","dataVersion":"5.2"},"nvd":{"publishedDate":"2026-09-25 11:17:47","lastModifiedDate":"2026-09-25 11:17:47","problem_types":[],"metrics":[],"configurations":[]},"legacy_mitre":{"record":{"CveYear":"2026","CveId":"98155","Ordinal":"1","Title":"accel/qaic: Address potential out-of-bounds read in resp_worker(","CVE":"CVE-2026-98155","Year":"2026"},"notes":[{"CveYear":"2026","CveId":"98155","Ordinal":"1","NoteData":"In the Linux kernel, the following vulnerability has been resolved:\n\naccel/qaic: Address potential out-of-bounds read in resp_worker()\n\nAlthough 'commit 2feec5ae5df7 (\"accel/qaic: Handle DBC deactivation if the\nowner went away\")' fixes the scenario it was intended for by walking the\nmessage and only decoding QAIC_TRANS_DEACTIVATE_FROM_DEV, if present, it\nskipped over the bounds checking code that is included in decode_message().\nThis could lead to issues such as reading past the slab allocation's end,\ninfinite loops or kernel panics. For those issues to happen, a malformed\nwire message is needed to be sent from the device.\n\nInstead of duplicating the bounds checking code already present in\ndecode_message(), use the function inside resp_worker().","Type":"Description","Title":"accel/qaic: Address potential out-of-bounds read in resp_worker("}]}}}