FKIE_CVE-2026-46298

Vulnerability from fkie_nvd - Published: 2026-06-08 17:16 - Updated: 2026-06-17 10:53
Severity
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.
References
416baaa9-dc9f-4396-8d5f-8c081fb06d67https://git.kernel.org/stable/c/342c966f81cfc3cb6c297e80b37a9f3a5d637d2c
416baaa9-dc9f-4396-8d5f-8c081fb06d67https://git.kernel.org/stable/c/7a4f0846ee6cc8cf44ae0046ed42e3259d1dd45b
Impacted products
Vendor Product Version
To clipboard 

{
  "affected": [
    {
      "affectedData": [
        {
          "defaultStatus": "unaffected",
          "product": "Linux",
          "programFiles": [
            "arch/powerpc/platforms/pseries/papr-hvpipe.c"
          ],
          "repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git",
          "vendor": "Linux",
          "versions": [
            {
              "lessThan": "342c966f81cfc3cb6c297e80b37a9f3a5d637d2c",
              "status": "affected",
              "version": "814ef095f12c9fa142043ee689500f3a41bb6dab",
              "versionType": "git"
            },
            {
              "lessThan": "7a4f0846ee6cc8cf44ae0046ed42e3259d1dd45b",
              "status": "affected",
              "version": "814ef095f12c9fa142043ee689500f3a41bb6dab",
              "versionType": "git"
            }
          ]
        },
        {
          "defaultStatus": "affected",
          "product": "Linux",
          "programFiles": [
            "arch/powerpc/platforms/pseries/papr-hvpipe.c"
          ],
          "repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git",
          "vendor": "Linux",
          "versions": [
            {
              "status": "affected",
              "version": "6.18"
            },
            {
              "lessThan": "6.18",
              "status": "unaffected",
              "version": "0",
              "versionType": "semver"
            },
            {
              "lessThanOrEqual": "7.0.*",
              "status": "unaffected",
              "version": "7.0.7",
              "versionType": "semver"
            },
            {
              "lessThanOrEqual": "*",
              "status": "unaffected",
              "version": "7.1",
              "versionType": "original_commit_for_fix"
            }
          ]
        }
      ],
      "source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67"
    }
  ],
  "cveTags": [],
  "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 -\u003eioctl handler or -\u003erelease 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."
    }
  ],
  "id": "CVE-2026-46298",
  "lastModified": "2026-06-17T10:53:31.100",
  "metrics": {},
  "published": "2026-06-08T17:16:48.280",
  "references": [
    {
      "source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67",
      "url": "https://git.kernel.org/stable/c/342c966f81cfc3cb6c297e80b37a9f3a5d637d2c"
    },
    {
      "source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67",
      "url": "https://git.kernel.org/stable/c/7a4f0846ee6cc8cf44ae0046ed42e3259d1dd45b"
    }
  ],
  "sourceIdentifier": "416baaa9-dc9f-4396-8d5f-8c081fb06d67",
  "vulnStatus": "Received"
}


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