{"id":"CVE-2026-98155","revision":"2308e8ea1fd3497d848681f932dd30a1","records":[{"revision":"2308e8ea1fd3497d848681f932dd30a1","observedAt":"2026-10-23T15:48:27.903+00:00","statement":{"source":"cve-program","id":"CVE-2026-98155","aliases":[],"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":0,"publishedAt":"2026-09-25T10:36:25.812+00:00","modifiedAt":"2026-10-19T09:14:49.119+00:00","affected":[{"ecosystem":"Vendor product","name":"Linux","ranges":[],"versions":[],"rawVersionEvidence":"{\n                    \"product\": \"Linux\",\n                    \"vendor\": \"Linux\",\n                    \"defaultStatus\": \"unaffected\",\n                    \"repo\": \"https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git\",\n                    \"programFiles\": [\n                        \"drivers/accel/qaic/qaic_control.c\"\n                    ],\n                    \"versions\": [\n                        {\n                            \"version\": \"2dd67966f39a2abf8ccb4865031c722e40e01b7f\",\n                            \"lessThan\": \"5807a65f301b6c0e73a2dc03dd6f5e80a2861b72\",\n                            \"status\": \"affected\",\n                            \"versionType\": \"git\"\n                        },\n                        {\n                            \"version\": \"08021f2d4a557d6491e3bcc288e96425f50aa3cf\",\n                            \"lessThan\": \"f4b64488f3deca63f7fbc7d7c3835b2e668003f9\",\n                            \"status\": \"affected\",\n                            \"versionType\": \"git\"\n                        },\n                        {\n                            \"version\": \"f403094d9075d7c565a3d81002b781c325cb3c07\",\n                            \"lessThan\": \"12deeade460d47031267256ba07add51cc7eabd0\",\n                            \"status\": \"affected\",\n                            \"versionType\": \"git\"\n                        },\n                        {\n                            \"version\": \"2feec5ae5df785658924ab6bd91280dc3926507c\",\n                            \"lessThan\": \"c72e81ee46bdd4c221114d6e9515e9b4647616d7\",\n                            \"status\": \"affected\",\n                            \"versionType\": \"git\"\n                        },\n                        {\n                            \"version\": \"2feec5ae5df785658924ab6bd91280dc3926507c\",\n                            \"lessThan\": \"ab243f74ab4084ca5c8dec608cb5b0deb27db067\",\n                            \"status\": \"affected\",\n                            \"versionType\": \"git\"\n                        },\n                        {\n                            \"version\": \"ee0180e77e6c8482644569632065411de844c515\",\n                            \"status\": \"affected\",\n                            \"versionType\": \"git\"\n                        },\n                        {\n                            \"version\": \"6.6.134\",\n                            \"lessThan\": \"6.6.158\",\n                            \"status\": \"affected\",\n                            \"versionType\": \"semver\"\n                        },\n                        {\n                            \"version\": \"6.12.81\",\n                            \"lessThan\": \"6.12.111\",\n                            \"status\": \"affected\",\n                            \"versionType\": \"semver\"\n                        },\n                        {\n                            \"version\": \"6.18.22\",\n                            \"lessThan\": \"6.18.53\",\n                            \"status\": \"affected\",\n                            \"versionType\": \"semver\"\n                        },\n                        {\n                            \"version\": \"6.19.12\",\n                            \"lessThan\": \"6.20\",\n                            \"status\": \"affected\",\n                            \"versionType\": \"semver\"\n                        }\n                    ]\n                }"},{"ecosystem":"Vendor product","name":"Linux","ranges":[],"versions":[],"rawVersionEvidence":"{\n                    \"product\": \"Linux\",\n                    \"vendor\": \"Linux\",\n                    \"defaultStatus\": \"affected\",\n                    \"repo\": \"https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git\",\n                    \"programFiles\": [\n                        \"drivers/accel/qaic/qaic_control.c\"\n                    ],\n                    \"versions\": [\n                        {\n                            \"version\": \"7.0\",\n                            \"status\": \"affected\"\n                        },\n                        {\n                            \"version\": \"0\",\n                            \"lessThan\": \"7.0\",\n                            \"status\": \"unaffected\",\n                            \"versionType\": \"semver\"\n                        },\n                        {\n                            \"version\": \"6.6.158\",\n                            \"lessThanOrEqual\": \"6.6.*\",\n                            \"status\": \"unaffected\",\n                            \"versionType\": \"semver\"\n                        },\n                        {\n                            \"version\": \"6.12.111\",\n                            \"lessThanOrEqual\": \"6.12.*\",\n                            \"status\": \"unaffected\",\n                            \"versionType\": \"semver\"\n                        },\n                        {\n                            \"version\": \"6.18.53\",\n                            \"lessThanOrEqual\": \"6.18.*\",\n                            \"status\": \"unaffected\",\n                            \"versionType\": \"semver\"\n                        },\n                        {\n                            \"version\": \"7.2.7\",\n                            \"lessThanOrEqual\": \"7.2.*\",\n                            \"status\": \"unaffected\",\n                            \"versionType\": \"semver\"\n                        },\n                        {\n                            \"version\": \"7.3\",\n                            \"lessThanOrEqual\": \"*\",\n                            \"status\": \"unaffected\",\n                            \"versionType\": \"original_commit_for_fix\"\n                        }\n                    ]\n                }"}],"metrics":[],"references":["https://git.kernel.org/stable/c/5807a65f301b6c0e73a2dc03dd6f5e80a2861b72","https://git.kernel.org/stable/c/f4b64488f3deca63f7fbc7d7c3835b2e668003f9","https://git.kernel.org/stable/c/12deeade460d47031267256ba07add51cc7eabd0","https://git.kernel.org/stable/c/c72e81ee46bdd4c221114d6e9515e9b4647616d7","https://git.kernel.org/stable/c/ab243f74ab4084ca5c8dec608cb5b0deb27db067"],"sourceUrl":"https://www.cve.org/CVERecord?id=CVE-2026-98155","license":"CVE Program Terms of Use","key":"cve-program:CVE-2026-98155","identifiers":["CVE-2026-98155"]},"retained":false,"historicalAffected":[]}],"coverage":[]}