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CVE-2026-89513 RISC-V: KVM: Fix PMU event info array size overflow

🗓️ 11 Sep 2026 19:43:57Reported by LinuxType 
cvelist
 cvelist
🔗 www.cve.org👁 8 Views

RISC-V KVM PMU 32-bit size overflow in event info causes out-of-bounds reads and writes.

Related
Affected
Refs
ReporterTitlePublishedViews
Family
cve
CVE
CVE-2026-89513
11 Sep 202619:43
cve
euvd
EUVD
EUVD-2026-76419
11 Sep 202619:43
euvd
nvd
NVD
CVE-2026-89513
11 Sep 202620:19
nvd
ptsecurity
Positive Technologies
PT-2026-90229
11 Sep 202600:00
ptsecurity
redhatcve
RedhatCVE
CVE-2026-89513
11 Sep 202621:45
redhatcve
[
  {
    "product": "Linux",
    "vendor": "Linux",
    "defaultStatus": "unaffected",
    "repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git",
    "programFiles": [
      "arch/riscv/kvm/vcpu_pmu.c"
    ],
    "versions": [
      {
        "version": "e309fd113b9f6c34672a487be08fecb7e12e7e29",
        "lessThan": "82088f88c96b99c27a974d09b02c2b133262fadf",
        "status": "affected",
        "versionType": "git"
      },
      {
        "version": "e309fd113b9f6c34672a487be08fecb7e12e7e29",
        "lessThan": "735bc20c24187ca419c9d5e63860a54b91be34bd",
        "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/riscv/kvm/vcpu_pmu.c"
    ],
    "versions": [
      {
        "version": "6.18",
        "status": "affected"
      },
      {
        "version": "0",
        "lessThan": "6.18",
        "status": "unaffected",
        "versionType": "semver"
      },
      {
        "version": "7.2.4",
        "lessThanOrEqual": "7.2.*",
        "status": "unaffected",
        "versionType": "semver"
      },
      {
        "version": "7.3-rc1",
        "lessThanOrEqual": "*",
        "status": "unaffected",
        "versionType": "original_commit_for_fix"
      }
    ]
  }
]

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