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CVE-2025-39821

🗓️ 16 Sep 2025 13:00:20Reported by LinuxType 
cve
 cve
🔗 web.nvd.nist.gov👁 62 Views

Perf skips inactive events during throttling to avoid undefined behavior from starting or stopping off-state events.

Related
Detection
Affected
Refs
ReporterTitlePublishedViews
Family
astralinux
AstraLinux
Astra Linux – Vulnerability in Linux 5.10
20 May 202605:53
–astralinux
bdu_fstec
BDU FSTEC
Linux Kernel Heap Buffer Overflow DoS
18 Mar 202600:00
–bdu_fstec
cnnvd
CNNVD
Linux Kernel Security Vulnerabilities
16 Sep 202500:00
–cnnvd
cvelist
Cvelist
CVE-2025-39821 perf: Avoid undefined behavior from stopping/starting inactive events
16 Sep 202513:00
–cvelist
debiancve
Debian CVE
CVE-2025-39821
16 Sep 202513:00
–debiancve
euvd
EUVD
EUVD-2025-29593
3 Oct 202520:07
–euvd
nvd
NVD
CVE-2025-39821
16 Sep 202513:15
–nvd
osv_bell
osv_bell
BELL-CVE-2025-39821
17 Sep 202506:04
–osv_bell
osv_cve
osv_cve
CVE-2025-39821 perf: Avoid undefined behavior from stopping/starting inactive events
16 Sep 202513:00
–osv_cve
osv_debian
osv_debian
DEBIAN-CVE-2025-39821
16 Sep 202513:15
–osv_debian
Rows per page
NVD
Vulners
CNA
Node
OR
linuxlinux_kernelRange6.16–6.16.5
linuxlinux_kernelMatch6.17rc1
linuxlinux_kernelMatch6.17rc2
[
  {
    "product": "Linux",
    "vendor": "Linux",
    "defaultStatus": "unaffected",
    "repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git",
    "programFiles": [
      "kernel/events/core.c"
    ],
    "versions": [
      {
        "version": "9734e25fbf5ae68eb04234b2cd14a4b36ab89141",
        "lessThan": "d689135aa9c5e4e0eab5a92bbe35dab0c8d6677f",
        "status": "affected",
        "versionType": "git"
      },
      {
        "version": "9734e25fbf5ae68eb04234b2cd14a4b36ab89141",
        "lessThan": "b64fdd422a85025b5e91ead794db9d3ef970e369",
        "status": "affected",
        "versionType": "git"
      }
    ]
  },
  {
    "product": "Linux",
    "vendor": "Linux",
    "defaultStatus": "affected",
    "repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git",
    "programFiles": [
      "kernel/events/core.c"
    ],
    "versions": [
      {
        "version": "6.16",
        "status": "affected"
      },
      {
        "version": "0",
        "lessThan": "6.16",
        "status": "unaffected",
        "versionType": "semver"
      },
      {
        "version": "6.16.5",
        "lessThanOrEqual": "6.16.*",
        "status": "unaffected",
        "versionType": "semver"
      },
      {
        "version": "6.17",
        "lessThanOrEqual": "*",
        "status": "unaffected",
        "versionType": "original_commit_for_fix"
      }
    ]
  }
]

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19 Oct 2026 21:10Current
6.5Medium risk
Vulners AI Score6.5
CVSS 3.17.8
EPSS0.00164
SSVC
62