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CVE-2026-46298 pseries/papr-hvpipe: Fix race with interrupt handler

🗓️ 08 Jun 2026 15:46:25Reported by LinuxType 
cvelist
 cvelist
🔗 www.cve.org👁 32 Views

Fix deadlock by using spin_lock_irqsave/restore in ioctl and release handlers for pseries papr-hvpipe.

Related
Affected
Refs
ReporterTitlePublishedViews
Family
ATTACKERKB
CVE-2026-46298
8 Jun 202615:46
attackerkb
CVE
CVE-2026-46298
8 Jun 202615:46
cve
Debian CVE
CVE-2026-46298
8 Jun 202615:46
debiancve
EUVD
EUVD-2026-35164
8 Jun 202615:46
euvd
NVD
CVE-2026-46298
8 Jun 202617:16
nvd
OPENSUSE Linux
kernel-devel-7.0.12-1.1 on GA media (moderate)
14 Jun 202600:00
opensuse
OSV
BELL-CVE-2026-46298 CVE-2026-46298 does not affect BellSoft software
9 Jun 202606:10
osv
OSV
DEBIAN-CVE-2026-46298
8 Jun 202617:16
osv
OSV
OPENSUSE-SU-2026:11014-1 kernel-devel-7.0.12-1.1 on GA media
12 Jun 202600:00
osv
OSV
UBUNTU-CVE-2026-46298
8 Jun 202617:16
osv
Rows per page
[
  {
    "product": "Linux",
    "vendor": "Linux",
    "defaultStatus": "unaffected",
    "repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git",
    "programFiles": [
      "arch/powerpc/platforms/pseries/papr-hvpipe.c"
    ],
    "versions": [
      {
        "version": "814ef095f12c9fa142043ee689500f3a41bb6dab",
        "lessThan": "342c966f81cfc3cb6c297e80b37a9f3a5d637d2c",
        "status": "affected",
        "versionType": "git"
      },
      {
        "version": "814ef095f12c9fa142043ee689500f3a41bb6dab",
        "lessThan": "7a4f0846ee6cc8cf44ae0046ed42e3259d1dd45b",
        "status": "affected",
        "versionType": "git"
      }
    ]
  },
  {
    "product": "Linux",
    "vendor": "Linux",
    "defaultStatus": "affected",
    "repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git",
    "programFiles": [
      "arch/powerpc/platforms/pseries/papr-hvpipe.c"
    ],
    "versions": [
      {
        "version": "6.18",
        "status": "affected"
      },
      {
        "version": "0",
        "lessThan": "6.18",
        "status": "unaffected",
        "versionType": "semver"
      },
      {
        "version": "7.0.7",
        "lessThanOrEqual": "7.0.*",
        "status": "unaffected",
        "versionType": "semver"
      },
      {
        "version": "7.1",
        "lessThanOrEqual": "*",
        "status": "unaffected",
        "versionType": "original_commit_for_fix"
      }
    ]
  }
]

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