CVE-2026-46298
pseries/papr-hvpipe: Fix race with interrupt handler
- Published
- Last modified
- Where the record stands: published, rejected by its publisher, or superseded by another id.What do these mean? →
- published
- Whether CISA lists it in its Known Exploited Vulnerabilities catalog: proof that attackers are using it.What do these mean? →
- Not listed in CISA KEV
- Fix
- Fixed in 6.18.57, 7.0.7
- Whether working attack code is public (Exploit-DB, Metasploit, Nuclei or GitHub). Public code makes attacks easier.What do these mean? →
- None on Exploit-DB, Metasploit or GitHub
Summary
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.
Timeline
- CVE published
- Record last updated
Affected versions
- Linux Linux
From 814ef095f12c9fa142043ee689500f3a41bb6dab · fixed in b33d6f5da16e0eec95b933342812c689cdfcec03; From 814ef095f12c9fa142043ee689500f3a41bb6dab · fixed in 342c966f81cfc3cb6c297e80b37a9f3a5d637d2c; From 814ef095f12c9fa142043ee689500f3a41bb6dab · fixed in 7a4f0846ee6cc8cf44ae0046ed42e3259d1dd45b
- Linux Linux
6.18
- KernelLinux
From 6.18.0 · fixed in 6.18.57; From 6.19.0 · fixed in 7.0.7