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CVE-2026-80547 s390/vfio_ccw: Implement a crw lock

🗓️ 26 Aug 2026 14:37:18Reported by LinuxType 
cvelist
 cvelist
🔗 www.cve.org👁 6 Views

Missing CRW lock in Linux kernel s390/vfio_ccw allows non-cohesive reads of hardware event payloads.

Related
Affected
Refs
ReporterTitlePublishedViews
Family
cve
CVE
CVE-2026-80547
26 Aug 202614:37
cve
debiancve
Debian CVE
CVE-2026-80547
26 Aug 202614:37
debiancve
euvd
EUVD
EUVD-2026-66462
26 Aug 202614:37
euvd
nvd
NVD
CVE-2026-80547
26 Aug 202615:17
nvd
osv
OSV
DEBIAN-CVE-2026-80547
26 Aug 202620:47
osv
ptsecurity
Positive Technologies
PT-2026-82163
26 Aug 202600:00
ptsecurity
[
  {
    "product": "Linux",
    "vendor": "Linux",
    "defaultStatus": "unaffected",
    "repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git",
    "programFiles": [
      "drivers/s390/cio/vfio_ccw_chp.c",
      "drivers/s390/cio/vfio_ccw_drv.c",
      "drivers/s390/cio/vfio_ccw_ops.c",
      "drivers/s390/cio/vfio_ccw_private.h"
    ],
    "versions": [
      {
        "version": "3f02cb2fd9d2d9e8762102886e3e4b51285797ee",
        "lessThan": "49fa26b0df009dc1f420980bd71780e70615b83b",
        "status": "affected",
        "versionType": "git"
      },
      {
        "version": "3f02cb2fd9d2d9e8762102886e3e4b51285797ee",
        "lessThan": "7902be374cbfc11c3435e1e87bf22195bf06a558",
        "status": "affected",
        "versionType": "git"
      },
      {
        "version": "3f02cb2fd9d2d9e8762102886e3e4b51285797ee",
        "lessThan": "c76c4ee72bfc3824f4f491f18ed0323bf2e2daf9",
        "status": "affected",
        "versionType": "git"
      },
      {
        "version": "3f02cb2fd9d2d9e8762102886e3e4b51285797ee",
        "lessThan": "16b0798024c0e9117e395829ddbbe70981c79d9c",
        "status": "affected",
        "versionType": "git"
      }
    ]
  },
  {
    "product": "Linux",
    "vendor": "Linux",
    "defaultStatus": "affected",
    "repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git",
    "programFiles": [
      "drivers/s390/cio/vfio_ccw_chp.c",
      "drivers/s390/cio/vfio_ccw_drv.c",
      "drivers/s390/cio/vfio_ccw_ops.c",
      "drivers/s390/cio/vfio_ccw_private.h"
    ],
    "versions": [
      {
        "version": "5.8",
        "status": "affected"
      },
      {
        "version": "0",
        "lessThan": "5.8",
        "status": "unaffected",
        "versionType": "semver"
      },
      {
        "version": "6.12.105",
        "lessThanOrEqual": "6.12.*",
        "status": "unaffected",
        "versionType": "semver"
      },
      {
        "version": "6.18.46",
        "lessThanOrEqual": "6.18.*",
        "status": "unaffected",
        "versionType": "semver"
      },
      {
        "version": "7.1.10",
        "lessThanOrEqual": "7.1.*",
        "status": "unaffected",
        "versionType": "semver"
      },
      {
        "version": "7.2",
        "lessThanOrEqual": "*",
        "status": "unaffected",
        "versionType": "original_commit_for_fix"
      }
    ]
  }
]

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