{"dataType": "CVE_RECORD", "dataVersion": "5.2", "cveMetadata": {"cveId": "CVE-2026-98679", "assignerOrgId": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "state": "PUBLISHED", "assignerShortName": "Linux", "dateReserved": "2026-09-25T10:25:14.364Z", "datePublished": "2026-10-18T15:45:38.283Z", "dateUpdated": "2026-10-21T12:55:39.130Z"}, "containers": {"cna": {"providerMetadata": {"orgId": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "shortName": "Linux", "dateUpdated": "2026-10-21T12:55:39.130Z"}, "descriptions": [{"lang": "en", "value": "In the Linux kernel, the following vulnerability has been resolved:\n\niio: accel: kxcjk-1013: reject duplicate event disable\n\nThe IIO core does not filter duplicate writes to the event enable\nattribute. kxcjk1013_write_event_config() already ignores repeated\nenable requests, but a repeated disable request still calls\nkxcjk1013_set_power_state(data, false), dropping a runtime PM reference\nthat was not acquired for this request. This can underflow the runtime\nPM usage count and trigger a \"Runtime PM usage count underflow\" warning.\n\nReturn early when the requested state already matches ev_enable_state."}], "affected": [{"product": "Linux", "vendor": "Linux", "defaultStatus": "unaffected", "repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git", "programFiles": ["drivers/iio/accel/kxcjk-1013.c"], "versions": [{"version": "b4b491c0832ef90a7a5070e5975bc8427f2049ca", "lessThan": "137c35cff4d4d69f73cbfc0bf7870bf379a7a364", "status": "affected", "versionType": "git"}, {"version": "b4b491c0832ef90a7a5070e5975bc8427f2049ca", "lessThan": "ad690c0c1b9131725619e352cb7c970488cbf436", "status": "affected", "versionType": "git"}, {"version": "b4b491c0832ef90a7a5070e5975bc8427f2049ca", "lessThan": "3365209e758c845a197211645731f0e393a86012", "status": "affected", "versionType": "git"}, {"version": "b4b491c0832ef90a7a5070e5975bc8427f2049ca", "lessThan": "aa94a37b5a3e560c277dac6f9e5d0d75549a6583", "status": "affected", "versionType": "git"}, {"version": "b4b491c0832ef90a7a5070e5975bc8427f2049ca", "lessThan": "dd30c10ff60d2b30386c23bb7c61cc97f2385c97", "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/kxcjk-1013.c"], "versions": [{"version": "3.18", "status": "affected"}, {"version": "0", "lessThan": "3.18", "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": "3.18", "versionEndExcluding": "6.6.160"}, {"vulnerable": true, "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*", "versionStartIncluding": "3.18", "versionEndExcluding": "6.12.113"}, {"vulnerable": true, "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*", "versionStartIncluding": "3.18", "versionEndExcluding": "6.18.56"}, {"vulnerable": true, "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*", "versionStartIncluding": "3.18", "versionEndExcluding": "7.2.10"}, {"vulnerable": true, "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*", "versionStartIncluding": "3.18", "versionEndExcluding": "7.3"}]}]}], "references": [{"url": "https://git.kernel.org/stable/c/137c35cff4d4d69f73cbfc0bf7870bf379a7a364"}, {"url": "https://git.kernel.org/stable/c/ad690c0c1b9131725619e352cb7c970488cbf436"}, {"url": "https://git.kernel.org/stable/c/3365209e758c845a197211645731f0e393a86012"}, {"url": "https://git.kernel.org/stable/c/aa94a37b5a3e560c277dac6f9e5d0d75549a6583"}, {"url": "https://git.kernel.org/stable/c/dd30c10ff60d2b30386c23bb7c61cc97f2385c97"}], "title": "iio: accel: kxcjk-1013: reject duplicate event disable", "x_generator": {"engine": "bippy-1.2.0"}}}}

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{"affected": [{"affectedData": [{"defaultStatus": "unaffected", "product": "Linux", "programFiles": ["drivers/iio/accel/kxcjk-1013.c"], "repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git", "vendor": "Linux", "versions": [{"lessThan": "137c35cff4d4d69f73cbfc0bf7870bf379a7a364", "status": "affected", "version": "b4b491c0832ef90a7a5070e5975bc8427f2049ca", "versionType": "git"}, {"lessThan": "ad690c0c1b9131725619e352cb7c970488cbf436", "status": "affected", "version": "b4b491c0832ef90a7a5070e5975bc8427f2049ca", "versionType": "git"}, {"lessThan": "3365209e758c845a197211645731f0e393a86012", "status": "affected", "version": "b4b491c0832ef90a7a5070e5975bc8427f2049ca", "versionType": "git"}, {"lessThan": "aa94a37b5a3e560c277dac6f9e5d0d75549a6583", "status": "affected", "version": "b4b491c0832ef90a7a5070e5975bc8427f2049ca", "versionType": "git"}, {"lessThan": "dd30c10ff60d2b30386c23bb7c61cc97f2385c97", "status": "affected", "version": "b4b491c0832ef90a7a5070e5975bc8427f2049ca", "versionType": "git"}]}, {"defaultStatus": "affected", "product": "Linux", "programFiles": ["drivers/iio/accel/kxcjk-1013.c"], "repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git", "vendor": "Linux", "versions": [{"status": "affected", "version": "3.18"}, {"lessThan": "3.18", "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: kxcjk-1013: reject duplicate event disable\n\nThe IIO core does not filter duplicate writes to the event enable\nattribute. kxcjk1013_write_event_config() already ignores repeated\nenable requests, but a repeated disable request still calls\nkxcjk1013_set_power_state(data, false), dropping a runtime PM reference\nthat was not acquired for this request. This can underflow the runtime\nPM usage count and trigger a \"Runtime PM usage count underflow\" warning.\n\nReturn early when the requested state already matches ev_enable_state."}], "id": "CVE-2026-98679", "lastModified": "2026-10-21T13:21:36.900", "metrics": {}, "published": "2026-10-18T16:17:21.253", "references": [{"source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "url": "https://git.kernel.org/stable/c/137c35cff4d4d69f73cbfc0bf7870bf379a7a364"}, {"source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "url": "https://git.kernel.org/stable/c/3365209e758c845a197211645731f0e393a86012"}, {"source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "url": "https://git.kernel.org/stable/c/aa94a37b5a3e560c277dac6f9e5d0d75549a6583"}, {"source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "url": "https://git.kernel.org/stable/c/ad690c0c1b9131725619e352cb7c970488cbf436"}, {"source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "url": "https://git.kernel.org/stable/c/dd30c10ff60d2b30386c23bb7c61cc97f2385c97"}], "sourceIdentifier": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "vulnStatus": "Received"}

{"bugzilla": {"description": "kernel: iio: accel: kxcjk-1013: reject duplicate event disable", "id": "2555128", "url": "https://bugzilla.redhat.com/show_bug.cgi?id=2555128"}, "csaw": false, "cvss3": {"cvss3_base_score": "3.3", "cvss3_scoring_vector": "CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:L", "status": "draft"}, "cwe": "CWE-911", "details": ["In the Linux kernel, the following vulnerability has been resolved:\niio: accel: kxcjk-1013: reject duplicate event disable\nThe IIO core does not filter duplicate writes to the event enable\nattribute. kxcjk1013_write_event_config() already ignores repeated\nenable requests, but a repeated disable request still calls\nkxcjk1013_set_power_state(data, false), dropping a runtime PM reference\nthat was not acquired for this request. This can underflow the runtime\nPM usage count and trigger a \"Runtime PM usage count underflow\" warning.\nReturn early when the requested state already matches ev_enable_state.", "A flaw was found in the Linux kernel's KXCJK-1013 accelerometer driver. A local user could exploit this flaw by submitting duplicate event disable requests to the device configuration interface. Because the driver does not filter repeated disable requests, it improperly releases a runtime power management (PM) reference that was not acquired. This can cause the reference counter to underflow, potentially leading to inconsistent power management states or system instability."], "name": "CVE-2026-98679", "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-2026-98679\nhttps://nvd.nist.gov/vuln/detail/CVE-2026-98679\nhttps://git.kernel.org/pub/scm/linux/security/vulns.git/plain/cve/published/2026/CVE-2026-98679.mbox"], "threat_severity": "Low"}