{"id":"CVE-2026-64503","title":"iio: accel: kxsd9: fix runtime PM imbalance on write_raw() error","summary":"In the Linux kernel, the following vulnerability has been resolved:\n\niio: accel: kxsd9: fix runtime PM imbalance on write_raw() error\n\nkxsd9_write_raw() takes a runtime PM reference with pm_runtime_get_sync()\nbut returns -EINVAL directly…","severity":"none","vendor":"Linux","product":"Linux","affected":["Linux >= 9a9a369d6178dd4e263c49085ce1b37e1e8f63a0 < a93fd69c1ab0854ac4f5b8439c26dfadb25dfd20","Linux >= 9a9a369d6178dd4e263c49085ce1b37e1e8f63a0 < eeece4a85ece6f3837c75ef26a9b2bf5a1d0fcfc","Linux >= 9a9a369d6178dd4e263c49085ce1b37e1e8f63a0 < 191fcfeb729ededd8dd2a999c6bf351ddfa0cec7","Linux >= 9a9a369d6178dd4e263c49085ce1b37e1e8f63a0 < 36154171385a8a2444a4b3c6eaa0c5294cb02478","Linux >= 9a9a369d6178dd4e263c49085ce1b37e1e8f63a0 < 223703d6e8bed50b6a0b47e160877909518d94b9","Linux >= 9a9a369d6178dd4e263c49085ce1b37e1e8f63a0 < 6293211d142605bec435229ef0aa3668b8964164","Linux >= 9a9a369d6178dd4e263c49085ce1b37e1e8f63a0 < 13a91e8631cfeb68e5b7fd6687f194f5a86e83fe","Linux >= 9a9a369d6178dd4e263c49085ce1b37e1e8f63a0 < 44a5fd874bb6873bdaec59f722c1d57832fbc9df","Linux 4.9"],"ssvc":{"exploitation":"none","automatable":"no","technicalImpact":"partial","timestamp":"2026-11-06T16:40:28.482573Z"},"published":"2026-07-25","updated":"2026-11-06","sourceUpdated":"2026-11-06T16:44:55.502Z","source":"CVEORG","sourceUrl":"https://www.cve.org/CVERecord?id=CVE-2026-64503","references":[{"url":"https://git.kernel.org/stable/c/a93fd69c1ab0854ac4f5b8439c26dfadb25dfd20"},{"url":"https://git.kernel.org/stable/c/eeece4a85ece6f3837c75ef26a9b2bf5a1d0fcfc"},{"url":"https://git.kernel.org/stable/c/191fcfeb729ededd8dd2a999c6bf351ddfa0cec7"},{"url":"https://git.kernel.org/stable/c/36154171385a8a2444a4b3c6eaa0c5294cb02478"},{"url":"https://git.kernel.org/stable/c/223703d6e8bed50b6a0b47e160877909518d94b9"},{"url":"https://git.kernel.org/stable/c/6293211d142605bec435229ef0aa3668b8964164"},{"url":"https://git.kernel.org/stable/c/13a91e8631cfeb68e5b7fd6687f194f5a86e83fe"},{"url":"https://git.kernel.org/stable/c/44a5fd874bb6873bdaec59f722c1d57832fbc9df"}],"tags":["cve.org"],"epss":0.00177,"epssPercentile":0.07243,"ingestedAt":"2026-11-06T16:57:43.160Z","slug":"CVE-2026-64503","body":"## Overview\n\nIn the Linux kernel, the following vulnerability has been resolved:\n\niio: accel: kxsd9: fix runtime PM imbalance on write_raw() error\n\nkxsd9_write_raw() takes a runtime PM reference with pm_runtime_get_sync()\nbut returns -EINVAL directly when a scale with a non-zero integer part is\nrequested, skipping the matching pm_runtime_put_autosuspend(). This leaks\na runtime PM usage-counter reference on every such write, after which the\ndevice can no longer autosuspend.\n\nSet the error code and fall through to the existing put instead of\nreturning early.\n\n## Affected\n\n- `Linux >= 9a9a369d6178dd4e263c49085ce1b37e1e8f63a0 < a93fd69c1ab0854ac4f5b8439c26dfadb25dfd20`\n- `Linux >= 9a9a369d6178dd4e263c49085ce1b37e1e8f63a0 < eeece4a85ece6f3837c75ef26a9b2bf5a1d0fcfc`\n- `Linux >= 9a9a369d6178dd4e263c49085ce1b37e1e8f63a0 < 191fcfeb729ededd8dd2a999c6bf351ddfa0cec7`\n- `Linux >= 9a9a369d6178dd4e263c49085ce1b37e1e8f63a0 < 36154171385a8a2444a4b3c6eaa0c5294cb02478`\n- `Linux >= 9a9a369d6178dd4e263c49085ce1b37e1e8f63a0 < 223703d6e8bed50b6a0b47e160877909518d94b9`\n- `Linux >= 9a9a369d6178dd4e263c49085ce1b37e1e8f63a0 < 6293211d142605bec435229ef0aa3668b8964164`\n- `Linux >= 9a9a369d6178dd4e263c49085ce1b37e1e8f63a0 < 13a91e8631cfeb68e5b7fd6687f194f5a86e83fe`\n- `Linux >= 9a9a369d6178dd4e263c49085ce1b37e1e8f63a0 < 44a5fd874bb6873bdaec59f722c1d57832fbc9df`\n- `Linux 4.9`\n\n## Remediation\n\nRefer to the linked advisories for vendor-supplied fixes and affected version ranges.","depth":"sunlit","depthScore":3,"depthScoreParts":{"impact":2.8,"likelihood":0,"exploitation":0,"ransomware":0},"changes":[]}