CVE-2026-98835

{"dataType": "CVE_RECORD", "dataVersion": "5.2", "cveMetadata": {"cveId": "CVE-2026-98835", "assignerOrgId": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "state": "PUBLISHED", "assignerShortName": "Linux", "dateReserved": "2026-09-25T10:25:14.372Z", "datePublished": "2026-10-18T15:49:48.676Z", "dateUpdated": "2026-10-21T12:57:20.938Z"}, "containers": {"cna": {"providerMetadata": {"orgId": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "shortName": "Linux", "dateUpdated": "2026-10-21T12:57:20.938Z"}, "descriptions": [{"lang": "en", "value": "In the Linux kernel, the following vulnerability has been resolved:\n\niio: accel: kionix-kx022a: Fix array boundary check\n\nThe driver performs a sanity check for an array size, when converting a\nregister value to an array index. The check incorrectly accepts the\nsizeof(array) as a last index, when last valid index should be\nsizeof(array) - 1.\n\nFix the check by bailing out when index >= sizeof(array)."}], "affected": [{"product": "Linux", "vendor": "Linux", "defaultStatus": "unaffected", "repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git", "programFiles": ["drivers/iio/accel/kionix-kx022a.c"], "versions": [{"version": "7c1d1677b3227c6b18ac999f2b84778baa280b8f", "lessThan": "714d8f0b1c616a6a82be87ccb72271b6092773d1", "status": "affected", "versionType": "git"}, {"version": "7c1d1677b3227c6b18ac999f2b84778baa280b8f", "lessThan": "87746be179dca4d94d73d5a323a39a87bb2e90fc", "status": "affected", "versionType": "git"}, {"version": "7c1d1677b3227c6b18ac999f2b84778baa280b8f", "lessThan": "4c73c1859fa64509aae7e23a6dbd2d5c8a64c05d", "status": "affected", "versionType": "git"}, {"version": "7c1d1677b3227c6b18ac999f2b84778baa280b8f", "lessThan": "22d377178de281d21ddf908d03a8e9fde3339d9f", "status": "affected", "versionType": "git"}, {"version": "7c1d1677b3227c6b18ac999f2b84778baa280b8f", "lessThan": "0e65412aee4f651d2c9785f542a13e4b44002a75", "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/iio/accel/kionix-kx022a.c"], "versions": [{"version": "6.2", "status": "affected"}, {"version": "0", "lessThan": "6.2", "status": "unaffected", "versionType": "semver"}, {"version": "6.6.160", "lessThanOrEqual": "6.6.*", "status": "unaffected", "versionType": "semver"}, {"version": "6.12.113", "lessThanOrEqual": "6.12.*", "status": "unaffected", "versionType": "semver"}, {"version": "6.18.56", "lessThanOrEqual": "6.18.*", "status": "unaffected", "versionType": "semver"}, {"version": "7.2.10", "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": "6.2", "versionEndExcluding": "6.6.160"}, {"vulnerable": true, "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*", "versionStartIncluding": "6.2", "versionEndExcluding": "6.12.113"}, {"vulnerable": true, "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*", "versionStartIncluding": "6.2", "versionEndExcluding": "6.18.56"}, {"vulnerable": true, "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*", "versionStartIncluding": "6.2", "versionEndExcluding": "7.2.10"}, {"vulnerable": true, "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*", "versionStartIncluding": "6.2", "versionEndExcluding": "7.3"}]}]}], "references": [{"url": "https://git.kernel.org/stable/c/714d8f0b1c616a6a82be87ccb72271b6092773d1"}, {"url": "https://git.kernel.org/stable/c/87746be179dca4d94d73d5a323a39a87bb2e90fc"}, {"url": "https://git.kernel.org/stable/c/4c73c1859fa64509aae7e23a6dbd2d5c8a64c05d"}, {"url": "https://git.kernel.org/stable/c/22d377178de281d21ddf908d03a8e9fde3339d9f"}, {"url": "https://git.kernel.org/stable/c/0e65412aee4f651d2c9785f542a13e4b44002a75"}], "title": "iio: accel: kionix-kx022a: Fix array boundary check", "x_generator": {"engine": "bippy-1.2.0"}}}}

{}

{"affected": [{"affectedData": [{"defaultStatus": "unaffected", "product": "Linux", "programFiles": ["drivers/iio/accel/kionix-kx022a.c"], "repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git", "vendor": "Linux", "versions": [{"lessThan": "714d8f0b1c616a6a82be87ccb72271b6092773d1", "status": "affected", "version": "7c1d1677b3227c6b18ac999f2b84778baa280b8f", "versionType": "git"}, {"lessThan": "87746be179dca4d94d73d5a323a39a87bb2e90fc", "status": "affected", "version": "7c1d1677b3227c6b18ac999f2b84778baa280b8f", "versionType": "git"}, {"lessThan": "4c73c1859fa64509aae7e23a6dbd2d5c8a64c05d", "status": "affected", "version": "7c1d1677b3227c6b18ac999f2b84778baa280b8f", "versionType": "git"}, {"lessThan": "22d377178de281d21ddf908d03a8e9fde3339d9f", "status": "affected", "version": "7c1d1677b3227c6b18ac999f2b84778baa280b8f", "versionType": "git"}, {"lessThan": "0e65412aee4f651d2c9785f542a13e4b44002a75", "status": "affected", "version": "7c1d1677b3227c6b18ac999f2b84778baa280b8f", "versionType": "git"}]}, {"defaultStatus": "affected", "product": "Linux", "programFiles": ["drivers/iio/accel/kionix-kx022a.c"], "repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git", "vendor": "Linux", "versions": [{"status": "affected", "version": "6.2"}, {"lessThan": "6.2", "status": "unaffected", "version": "0", "versionType": "semver"}, {"lessThanOrEqual": "6.6.*", "status": "unaffected", "version": "6.6.160", "versionType": "semver"}, {"lessThanOrEqual": "6.12.*", "status": "unaffected", "version": "6.12.113", "versionType": "semver"}, {"lessThanOrEqual": "6.18.*", "status": "unaffected", "version": "6.18.56", "versionType": "semver"}, {"lessThanOrEqual": "7.2.*", "status": "unaffected", "version": "7.2.10", "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\niio: accel: kionix-kx022a: Fix array boundary check\n\nThe driver performs a sanity check for an array size, when converting a\nregister value to an array index. The check incorrectly accepts the\nsizeof(array) as a last index, when last valid index should be\nsizeof(array) - 1.\n\nFix the check by bailing out when index >= sizeof(array)."}], "id": "CVE-2026-98835", "lastModified": "2026-10-21T13:21:48.627", "metrics": {}, "published": "2026-10-18T16:17:37.730", "references": [{"source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "url": "https://git.kernel.org/stable/c/0e65412aee4f651d2c9785f542a13e4b44002a75"}, {"source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "url": "https://git.kernel.org/stable/c/22d377178de281d21ddf908d03a8e9fde3339d9f"}, {"source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "url": "https://git.kernel.org/stable/c/4c73c1859fa64509aae7e23a6dbd2d5c8a64c05d"}, {"source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "url": "https://git.kernel.org/stable/c/714d8f0b1c616a6a82be87ccb72271b6092773d1"}, {"source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "url": "https://git.kernel.org/stable/c/87746be179dca4d94d73d5a323a39a87bb2e90fc"}], "sourceIdentifier": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "vulnStatus": "Received"}

{"bugzilla": {"description": "kernel: iio: accel: kionix-kx022a: Fix array boundary check", "id": "2555209", "url": "https://bugzilla.redhat.com/show_bug.cgi?id=2555209"}, "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": ["A flaw was found in the Linux kernel's Kionix KX022A accelerometer driver. A local user could trigger a Denial of Service (DoS) or kernel memory disclosure due to an off-by-one array bounds validation check when converting device register values to array indices. This flaw leads to an out-of-bounds read beyond the allocated buffer, potentially crashing the system."], "name": "CVE-2026-98835", "package_state": [{"cpe": "cpe:/o:redhat:enterprise_linux:10", "fix_state": "Not affected", "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": "2026-10-18T00:00:00Z", "references": ["https://www.cve.org/CVERecord?id=CVE-2026-98835\nhttps://nvd.nist.gov/vuln/detail/CVE-2026-98835\nhttps://git.kernel.org/pub/scm/linux/security/vulns.git/plain/cve/published/2026/CVE-2026-98835.mbox"], "threat_severity": "Moderate"}

{"affected": [{"configurations": [{"platform": null, "status": "affected", "versions": {"scheme": "code_commit", "value": "[7c1d1677b3227c6b18ac999f2b84778baa280b8f,87746be179dca4d94d73d5a323a39a87bb2e90fc)"}}, {"platform": null, "status": "affected", "versions": {"scheme": "code_commit", "value": "[7c1d1677b3227c6b18ac999f2b84778baa280b8f,4c73c1859fa64509aae7e23a6dbd2d5c8a64c05d)"}}, {"platform": null, "status": "affected", "versions": {"scheme": "code_commit", "value": "[7c1d1677b3227c6b18ac999f2b84778baa280b8f,22d377178de281d21ddf908d03a8e9fde3339d9f)"}}, {"platform": null, "status": "affected", "versions": {"scheme": "code_commit", "value": "[7c1d1677b3227c6b18ac999f2b84778baa280b8f,0e65412aee4f651d2c9785f542a13e4b44002a75)"}}], "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": "6.2"}}, {"platform": null, "status": "unaffected", "versions": {"scheme": "generic", "value": "[0,6.2)"}}, {"platform": null, "status": "unaffected", "versions": {"scheme": "semver", "value": "[6.12.113,6.13.0)"}}, {"platform": null, "status": "unaffected", "versions": {"scheme": "semver", "value": "[6.18.56,6.19.0)"}}, {"platform": null, "status": "unaffected", "versions": {"scheme": "semver", "value": "[7.2.10,7.3.0)"}}, {"platform": null, "status": "unaffected", "versions": {"scheme": "generic", "value": "[7.3,*]"}}], "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": "2026-10-18T21:15:14.284059+00:00", "updated": "2026-10-24T04:30:08.031666+00:00", "vendors": ["linux", "linux$PRODUCT$linux_kernel"]}