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CVE-2026-64300 perf/aux: Fix page UAF in map_range()

🗓️ 25 Jul 2026 08:49:36Reported by LinuxType 
cvelist
 cvelist🔗 www.cve.org👁 7 Views

In the Linux kernel, the following vulnerability has been resolved: perf/aux: Fix page UAF in map_range() map_range() reads rb->aux_pages[], rb->aux_nr_pages and rb->aux_pgoff viaperf_mmap_to_page() while holding only event->mmap_mutex...

Related
Affected
Refs
ReporterTitlePublishedViews
Family
CVE		CVE-2026-64300
25 Jul 202608:49
–cve
Debian CVE		CVE-2026-64300
25 Jul 202608:49
–debiancve
EUVD		EUVD-2026-49012
25 Jul 202608:49
–euvd
NVD		CVE-2026-64300
25 Jul 202610:17
–nvd
OSV		DEBIAN-CVE-2026-64300
25 Jul 202616:48
–osv
Positive Technologies		PT-2026-64521
25 Jul 202600:00
–ptsecurity
SUSE CVE		SUSE CVE-2026-64300
25 Jul 202616:46
–susecve
Tenable Nessus		Linux Distros Unpatched Vulnerability : CVE-2026-64300
25 Jul 202600:00
–nessus
[
  {
    "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": "b709eb872e19a19607bbb6d2975bc264d59735cf",
        "lessThan": "c8b7e113f7b61eef2f017e6329c27c2331058c5a",
        "status": "affected",
        "versionType": "git"
      },
      {
        "version": "b709eb872e19a19607bbb6d2975bc264d59735cf",
        "lessThan": "0cff05bd2186020f8706233e261016d149cc24db",
        "status": "affected",
        "versionType": "git"
      },
      {
        "version": "b709eb872e19a19607bbb6d2975bc264d59735cf",
        "lessThan": "5948aaf64f81f217a25dcc2bf6c0779bca19566c",
        "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": "6.14",
        "status": "affected"
      },
      {
        "version": "0",
        "lessThan": "6.14",
        "status": "unaffected",
        "versionType": "semver"
      },
      {
        "version": "6.18.39",
        "lessThanOrEqual": "6.18.*",
        "status": "unaffected",
        "versionType": "semver"
      },
      {
        "version": "7.1.4",
        "lessThanOrEqual": "7.1.*",
        "status": "unaffected",
        "versionType": "semver"
      },
      {
        "version": "7.2-rc3",
        "lessThanOrEqual": "*",
        "status": "unaffected",
        "versionType": "original_commit_for_fix"
      }
    ]
  }
]

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25 Jul 2026 08:49Current
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