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CVE-2026-89500 ring-buffer: Make cpu_buffer::free_page a buffer_data_read_page

🗓️ 11 Sep 2026 19:43:49Reported by LinuxType 
cvelist
 cvelist
🔗 www.cve.org👁 33 Views

Linux kernel ring-buffer stale subbuf_order on page free after resize causes crash or memory leak.

Related
Affected
Refs
ReporterTitlePublishedViews
Family
cve
CVE
CVE-2026-89500
11 Sep 202619:43
–cve
debiancve
Debian CVE
CVE-2026-89500
11 Sep 202619:43
–debiancve
euvd
EUVD
EUVD-2026-76406
11 Sep 202619:43
–euvd
nvd
NVD
CVE-2026-89500
11 Sep 202620:19
–nvd
opensuse
OPENSUSE Linux
kernel-devel-7.2.6-1.1 on GA media (moderate)
20 Sep 202600:00
–opensuse
osv
OSV
BELL-CVE-2026-89500
15 Sep 202606:05
–osv
osv
OSV
DEBIAN-CVE-2026-89500
11 Sep 202620:19
–osv
osv
OSV
OPENSUSE-SU-2026:11805-1 kernel-devel-7.2.6-1.1 on GA media
17 Sep 202600:00
–osv
osv
OSV
UBUNTU-CVE-2026-89500
11 Sep 202620:19
–osv
ptsecurity
Positive Technologies
PT-2026-90056
11 Sep 202600:00
–ptsecurity
Rows per page
[
  {
    "product": "Linux",
    "vendor": "Linux",
    "defaultStatus": "unaffected",
    "repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git",
    "programFiles": [
      "kernel/trace/ring_buffer.c"
    ],
    "versions": [
      {
        "version": "8e7b58c27b3c567316a51079b375b846f9223bba",
        "lessThan": "a1dabe68fb53730bc0be60c5dbfd3f4c560084e7",
        "status": "affected",
        "versionType": "git"
      },
      {
        "version": "8e7b58c27b3c567316a51079b375b846f9223bba",
        "lessThan": "d787d509bdf6c88c85e095247daf7456cb7fb772",
        "status": "affected",
        "versionType": "git"
      },
      {
        "version": "8e7b58c27b3c567316a51079b375b846f9223bba",
        "lessThan": "7a1fb95de5404134f8758c1295ce88986bdf117c",
        "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/trace/ring_buffer.c"
    ],
    "versions": [
      {
        "version": "6.8",
        "status": "affected"
      },
      {
        "version": "0",
        "lessThan": "6.8",
        "status": "unaffected",
        "versionType": "semver"
      },
      {
        "version": "6.18.51",
        "lessThanOrEqual": "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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