pseries/papr-hvpipe: Fix race with interrupt handler
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.
CVE-2026-46298
Primary source · Revision 1
Imported from structured advisory data. Source references identify upstream records or fields; verify affected versions and your deployed configuration.
Security context
Source reference: cve:CVE-2026-46298
Linux
Source reference: /containers/cna/affected/0/product
- Affected versions
- Not stated in this record
- Fixed versions
- Not stated in this record
- Prerequisites
- Not stated in this record
Linux
Source reference: /containers/cna/affected/1/product
- Affected versions
- Not stated in this record
- Fixed versions
- Not stated in this record
- Prerequisites
- Not stated in this record
Structured affected-version data
Original package identities and version rules from this source.
[
{
"repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git",
"vendor": "Linux",
"product": "Linux",
"versions": [
{
"status": "affected",
"version": "814ef095f12c9fa142043ee689500f3a41bb6dab",
"lessThan": "b33d6f5da16e0eec95b933342812c689cdfcec03",
"versionType": "git"
},
{
"status": "affected",
"version": "814ef095f12c9fa142043ee689500f3a41bb6dab",
"lessThan": "342c966f81cfc3cb6c297e80b37a9f3a5d637d2c",
"versionType": "git"
},
{
"status": "affected",
"version": "814ef095f12c9fa142043ee689500f3a41bb6dab",
"lessThan": "7a4f0846ee6cc8cf44ae0046ed42e3259d1dd45b",
"versionType": "git"
}
],
"programFiles": [
"arch/powerpc/platforms/pseries/papr-hvpipe.c"
],
"defaultStatus": "unaffected"
},
{
"repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git",
"vendor": "Linux",
"product": "Linux",
"versions": [
{
"status": "affected",
"version": "6.18"
},
{
"status": "unaffected",
"version": "0",
"lessThan": "6.18",
"versionType": "semver"
},
{
"status": "unaffected",
"version": "6.18.57",
"versionType": "semver",
"lessThanOrEqual": "6.18.*"
},
{
"status": "unaffected",
"version": "7.0.7",
"versionType": "semver",
"lessThanOrEqual": "7.0.*"
},
{
"status": "unaffected",
"version": "7.1",
"versionType": "original_commit_for_fix",
"lessThanOrEqual": "*"
}
],
"programFiles": [
"arch/powerpc/platforms/pseries/papr-hvpipe.c"
],
"defaultStatus": "affected"
}
]- Related CVEs
- CVE-2026-46298
Source reference:
/cveMetadata/cveId
Publisher severity
No explicit severity was provided.
- Event
- #28606 · Revision 1
- Added to Heist Feed
- Publisher date