pseries/papr-hvpipe: Fix race with interrupt handler
Summary
| CVE | CVE-2026-46298 |
|---|---|
| State | PUBLISHED |
| Assigner | Linux |
| Source Priority | CVE Program / NVD first with legacy fallback |
| Published | 2026-06-08 17:16:48 UTC |
| Updated | 2026-06-08 17:16:48 UTC |
| Description | In the Linux kernel, the following vulnerability has been resolved: pseries/papr-hvpipe: Fix race with interrupt handler While executing ->ioctl handler or ->release handler, if an interrupt fires on the same cpu, then we can enter into a deadlock. This patch fixes both these handlers to take spin_lock_irq{save|restore} versions of the lock to prevent this deadlock. |
Risk And Classification
EPSS: 0.000180000 probability, percentile 0.051370000 (date 2026-06-09)
Vendor Declared Affected Products
| Source | Vendor | Product | Version | Platforms |
|---|---|---|---|---|
| CNA | Linux | Linux | affected 814ef095f12c9fa142043ee689500f3a41bb6dab 342c966f81cfc3cb6c297e80b37a9f3a5d637d2c git | Not specified |
| CNA | Linux | Linux | affected 814ef095f12c9fa142043ee689500f3a41bb6dab 7a4f0846ee6cc8cf44ae0046ed42e3259d1dd45b git | Not specified |
| CNA | Linux | Linux | affected 6.18 | Not specified |
| CNA | Linux | Linux | unaffected 6.18 semver | Not specified |
| CNA | Linux | Linux | unaffected 7.0.7 7.0.* semver | Not specified |
| CNA | Linux | Linux | unaffected 7.1-rc3 * original_commit_for_fix | Not specified |
References
| Reference | Source | Link | Tags |
|---|---|---|---|
| git.kernel.org/stable/c/7a4f0846ee6cc8cf44ae0046ed42e3259d1dd45b | 416baaa9-dc9f-4396-8d5f-8c081fb06d67 | git.kernel.org | |
| git.kernel.org/stable/c/342c966f81cfc3cb6c297e80b37a9f3a5d637d2c | 416baaa9-dc9f-4396-8d5f-8c081fb06d67 | git.kernel.org | |
| CVE Program record | CVE.ORG | www.cve.org | canonical |
| NVD vulnerability detail | NVD | nvd.nist.gov | canonical, analysis |
No vendor comments have been submitted for this CVE.
There are currently no legacy QID mappings associated with this CVE.