{"id":"CVE-2026-46298","title":"In the Linux kernel, the following vulnerability has been resolved:\n\npseries/papr-hvpipe: Fix race with interrupt handler\n\nWhile executing ->ioctl handler or ->release handler, if an interrupt\nfires on the same cpu, then we can enter int…","summary":"In the Linux kernel, the following vulnerability has been resolved:\n\npseries/papr-hvpipe: Fix race with interrupt handler\n\nWhile executing ->ioctl handler or ->release handler, if an interrupt\nfires on the same cpu, then we can enter int…","severity":"medium","cvss":4.7,"cvssVector":"CVSS:3.1/AV:L/AC:H/PR:L/UI:N/S:U/C:N/I:N/A:H","cwe":["CWE-362"],"vendor":"linux","product":"linux_kernel","affected":["linux_kernel >= 6.18, < 7.0.7","linux_kernel = 7.1"],"patched":["linux_kernel 7.0.7"],"published":"2026-06-08","updated":"2026-10-15","sourceUpdated":"2026-10-15T11:17:33.653","source":"NVD","sourceUrl":"https://nvd.nist.gov/vuln/detail/CVE-2026-46298","references":[{"url":"https://git.kernel.org/stable/c/342c966f81cfc3cb6c297e80b37a9f3a5d637d2c","label":"416baaa9-dc9f-4396-8d5f-8c081fb06d67"},{"url":"https://git.kernel.org/stable/c/7a4f0846ee6cc8cf44ae0046ed42e3259d1dd45b","label":"416baaa9-dc9f-4396-8d5f-8c081fb06d67"},{"url":"https://git.kernel.org/stable/c/b33d6f5da16e0eec95b933342812c689cdfcec03","label":"416baaa9-dc9f-4396-8d5f-8c081fb06d67"}],"tags":["nvd","cve.org"],"epss":0.00085,"epssPercentile":0.0027,"ingestedAt":"2026-07-07T18:42:24.316Z","slug":"CVE-2026-46298","body":"## Overview\n\nIn the Linux kernel, the following vulnerability has been resolved:\n\npseries/papr-hvpipe: Fix race with interrupt handler\n\nWhile executing ->ioctl handler or ->release handler, if an interrupt\nfires on the same cpu, then we can enter into a deadlock.\n\nThis patch fixes both these handlers to take spin_lock_irq{save|restore}\nversions of the lock to prevent this deadlock.\n\n## Affected\n\n- `linux_kernel >= 6.18, < 7.0.7`\n- `linux_kernel = 7.1`\n\n## Remediation\n\nUpgrade past the affected range:\n\n- `linux_kernel 7.0.7`","depth":"sunlit","depthScore":26,"depthScoreParts":{"impact":25.9,"likelihood":0,"exploitation":0,"ransomware":0},"changes":[{"seq":222298,"id":"CVE-2026-46298","ts":1792065870390,"field":"cvss","old":null,"new":"4.7"},{"seq":222297,"id":"CVE-2026-46298","ts":1792065870390,"field":"severity","old":"none","new":"medium"}]}