{"id":"CVE-2026-46298","state":"PUBLISHED","title":"pseries/papr-hvpipe: Fix race with interrupt handler","description":"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 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.","publishedAt":"2026-06-08T15:46:25.568Z","updatedAt":"2026-10-15T10:07:28.056Z","severity":null,"assigner":"Linux","products":["Linux Linux"],"affected":[{"vendor":"Linux","product":"Linux","defaultStatus":"unaffected","versions":[{"version":"814ef095f12c9fa142043ee689500f3a41bb6dab","status":"affected","lessThan":"b33d6f5da16e0eec95b933342812c689cdfcec03","versionType":"git"},{"version":"814ef095f12c9fa142043ee689500f3a41bb6dab","status":"affected","lessThan":"342c966f81cfc3cb6c297e80b37a9f3a5d637d2c","versionType":"git"},{"version":"814ef095f12c9fa142043ee689500f3a41bb6dab","status":"affected","lessThan":"7a4f0846ee6cc8cf44ae0046ed42e3259d1dd45b","versionType":"git"}],"repo":"https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git","programFiles":["arch/powerpc/platforms/pseries/papr-hvpipe.c"]},{"vendor":"Linux","product":"Linux","defaultStatus":"affected","versions":[{"version":"6.18","status":"affected"},{"version":"0","status":"unaffected","lessThan":"6.18","versionType":"semver"},{"version":"6.18.57","status":"unaffected","lessThanOrEqual":"6.18.*","versionType":"semver"},{"version":"7.0.7","status":"unaffected","lessThanOrEqual":"7.0.*","versionType":"semver"},{"version":"7.1","status":"unaffected","lessThanOrEqual":"*","versionType":"original_commit_for_fix"}],"repo":"https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git","programFiles":["arch/powerpc/platforms/pseries/papr-hvpipe.c"]}],"references":["https://git.kernel.org/stable/c/b33d6f5da16e0eec95b933342812c689cdfcec03","https://git.kernel.org/stable/c/342c966f81cfc3cb6c297e80b37a9f3a5d637d2c","https://git.kernel.org/stable/c/7a4f0846ee6cc8cf44ae0046ed42e3259d1dd45b"],"weaknesses":[],"ingestedAt":"2026-10-29T20:12:07.131Z","source":{"repository":"CVEProject/cvelistV5","path":"cves/2026/46xxx/CVE-2026-46298.json","commit":"556c9d3a8cd17e218bb8e452ba7cd619a384ff47"},"raw":{"dataType":"CVE_RECORD","dataVersion":"5.2","cveMetadata":{"cveId":"CVE-2026-46298","state":"PUBLISHED","datePublished":"2026-06-08T15:46:25.568Z","dateUpdated":"2026-10-15T10:07:28.056Z","assignerShortName":"Linux","assignerOrgId":"416baaa9-dc9f-4396-8d5f-8c081fb06d67","dateReserved":"2026-05-13T15:03:33.110Z"},"containers":{"cna":{"title":"pseries/papr-hvpipe: Fix race with interrupt handler","descriptions":[{"lang":"en","value":"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 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."}],"affected":[{"vendor":"Linux","product":"Linux","defaultStatus":"unaffected","versions":[{"version":"814ef095f12c9fa142043ee689500f3a41bb6dab","status":"affected","lessThan":"b33d6f5da16e0eec95b933342812c689cdfcec03","versionType":"git"},{"version":"814ef095f12c9fa142043ee689500f3a41bb6dab","status":"affected","lessThan":"342c966f81cfc3cb6c297e80b37a9f3a5d637d2c","versionType":"git"},{"version":"814ef095f12c9fa142043ee689500f3a41bb6dab","status":"affected","lessThan":"7a4f0846ee6cc8cf44ae0046ed42e3259d1dd45b","versionType":"git"}],"repo":"https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git","programFiles":["arch/powerpc/platforms/pseries/papr-hvpipe.c"]},{"vendor":"Linux","product":"Linux","defaultStatus":"affected","versions":[{"version":"6.18","status":"affected"},{"version":"0","status":"unaffected","lessThan":"6.18","versionType":"semver"},{"version":"6.18.57","status":"unaffected","lessThanOrEqual":"6.18.*","versionType":"semver"},{"version":"7.0.7","status":"unaffected","lessThanOrEqual":"7.0.*","versionType":"semver"},{"version":"7.1","status":"unaffected","lessThanOrEqual":"*","versionType":"original_commit_for_fix"}],"repo":"https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git","programFiles":["arch/powerpc/platforms/pseries/papr-hvpipe.c"]}],"references":[{"url":"https://git.kernel.org/stable/c/b33d6f5da16e0eec95b933342812c689cdfcec03"},{"url":"https://git.kernel.org/stable/c/342c966f81cfc3cb6c297e80b37a9f3a5d637d2c"},{"url":"https://git.kernel.org/stable/c/7a4f0846ee6cc8cf44ae0046ed42e3259d1dd45b"}],"providerMetadata":{"shortName":"Linux","orgId":"416baaa9-dc9f-4396-8d5f-8c081fb06d67","dateUpdated":"2026-10-15T10:07:28.056Z"},"cpeApplicability":[{"nodes":[{"operator":"OR","negate":false,"cpeMatch":[{"vulnerable":true,"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionStartIncluding":"6.18","versionEndExcluding":"6.18.57"},{"vulnerable":true,"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionStartIncluding":"6.18","versionEndExcluding":"7.0.7"},{"vulnerable":true,"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionStartIncluding":"6.18","versionEndExcluding":"7.1"}]}]}],"x_generator":{"engine":"bippy-1.2.0"}}}}}