{"dataType": "CVE_RECORD", "dataVersion": "5.2", "cveMetadata": {"cveId": "CVE-2026-98155", "assignerOrgId": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "state": "PUBLISHED", "assignerShortName": "Linux", "dateReserved": "2026-09-25T10:25:14.320Z", "datePublished": "2026-09-25T10:36:25.812Z", "dateUpdated": "2026-09-25T10:36:25.812Z"}, "containers": {"cna": {"providerMetadata": {"orgId": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "shortName": "Linux", "dateUpdated": "2026-09-25T10:36:25.812Z"}, "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()."}], "affected": [{"product": "Linux", "vendor": "Linux", "defaultStatus": "unaffected", "repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git", "programFiles": ["drivers/accel/qaic/qaic_control.c"], "versions": [{"version": "08021f2d4a557d6491e3bcc288e96425f50aa3cf", "lessThan": "f4b64488f3deca63f7fbc7d7c3835b2e668003f9", "status": "affected", "versionType": "git"}, {"version": "f403094d9075d7c565a3d81002b781c325cb3c07", "lessThan": "12deeade460d47031267256ba07add51cc7eabd0", "status": "affected", "versionType": "git"}, {"version": "2feec5ae5df785658924ab6bd91280dc3926507c", "lessThan": "c72e81ee46bdd4c221114d6e9515e9b4647616d7", "status": "affected", "versionType": "git"}, {"version": "2feec5ae5df785658924ab6bd91280dc3926507c", "lessThan": "ab243f74ab4084ca5c8dec608cb5b0deb27db067", "status": "affected", "versionType": "git"}, {"version": "2dd67966f39a2abf8ccb4865031c722e40e01b7f", "status": "affected", "versionType": "git"}, {"version": "ee0180e77e6c8482644569632065411de844c515", "status": "affected", "versionType": "git"}, {"version": "6.12.81", "lessThan": "6.12.111", "status": "affected", "versionType": "semver"}, {"version": "6.18.22", "lessThan": "6.18.53", "status": "affected", "versionType": "semver"}, {"version": "6.6.134", "lessThan": "6.7", "status": "affected", "versionType": "semver"}, {"version": "6.19.12", "lessThan": "6.20", "status": "affected", "versionType": "semver"}]}, {"product": "Linux", "vendor": "Linux", "defaultStatus": "affected", "repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git", "programFiles": ["drivers/accel/qaic/qaic_control.c"], "versions": [{"version": "7.0", "status": "affected"}, {"version": "0", "lessThan": "7.0", "status": "unaffected", "versionType": "semver"}, {"version": "6.12.111", "lessThanOrEqual": "6.12.*", "status": "unaffected", "versionType": "semver"}, {"version": "6.18.53", "lessThanOrEqual": "6.18.*", "status": "unaffected", "versionType": "semver"}, {"version": "7.2.7", "lessThanOrEqual": "7.2.*", "status": "unaffected", "versionType": "semver"}, {"version": "7.3-rc2", "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": "6.12.81", "versionEndExcluding": "6.12.111"}, {"vulnerable": true, "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*", "versionStartIncluding": "6.18.22", "versionEndExcluding": "6.18.53"}, {"vulnerable": true, "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*", "versionStartIncluding": "7.0", "versionEndExcluding": "7.2.7"}, {"vulnerable": true, "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*", "versionStartIncluding": "7.0", "versionEndExcluding": "7.3-rc2"}, {"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"}]}]}], "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"}}}}

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{"affected": [{"affectedData": [{"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"}]}], "source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67"}], "cveTags": [], "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()."}], "id": "CVE-2026-98155", "lastModified": "2026-09-30T14:10:59.253", "metrics": {}, "published": "2026-09-25T11:17:47.157", "references": [{"source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "url": "https://git.kernel.org/stable/c/12deeade460d47031267256ba07add51cc7eabd0"}, {"source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "url": "https://git.kernel.org/stable/c/ab243f74ab4084ca5c8dec608cb5b0deb27db067"}, {"source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "url": "https://git.kernel.org/stable/c/c72e81ee46bdd4c221114d6e9515e9b4647616d7"}, {"source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "url": "https://git.kernel.org/stable/c/f4b64488f3deca63f7fbc7d7c3835b2e668003f9"}], "sourceIdentifier": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "vulnStatus": "Awaiting Analysis"}

{"bugzilla": {"description": "kernel: accel/qaic: Address potential out-of-bounds read in resp_worker()", "id": "2541368", "url": "https://bugzilla.redhat.com/show_bug.cgi?id=2541368"}, "csaw": false, "cvss3": {"cvss3_base_score": "5.5", "cvss3_scoring_vector": "CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H", "status": "draft"}, "cwe": "CWE-125", "details": ["In the Linux kernel, the following vulnerability has been resolved:\naccel/qaic: Address potential out-of-bounds read in resp_worker()\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.\nInstead of duplicating the bounds checking code already present in\ndecode_message(), use the function inside resp_worker().", "A flaw was found in the Linux kernel's Qualcomm Cloud AI (qaic) driver. A compromised or malicious device could trigger a Denial of Service (DoS) or information disclosure by sending a malformed response message. Due to missing bounds checks during message processing, the driver may read beyond allocated memory buffers, leading to a kernel crash or an infinite loop."], "name": "CVE-2026-98155", "package_state": [{"cpe": "cpe:/o:redhat:enterprise_linux:10", "fix_state": "Fix deferred", "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"}, {"cpe": "cpe:/a:redhat:openshift:4", "fix_state": "Not affected", "package_name": "openshift/ose-rhel-coreos-8", "product_name": "Red Hat OpenShift Container Platform 4"}, {"cpe": "cpe:/a:redhat:openshift:4", "fix_state": "Not affected", "package_name": "openshift/ose-rhel-coreos-9", "product_name": "Red Hat OpenShift Container Platform 4"}], "public_date": "2026-09-25T00:00:00Z", "references": ["https://www.cve.org/CVERecord?id=CVE-2026-98155\nhttps://nvd.nist.gov/vuln/detail/CVE-2026-98155\nhttps://git.kernel.org/pub/scm/linux/security/vulns.git/plain/cve/published/2026/CVE-2026-98155.mbox"], "threat_severity": "Moderate"}

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