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CVE-2026-89502 ring-buffer: Free cpu_buffer::free_page with subbuf_order

🗓️ 11 Sep 2026 19:43:50Reported by LinuxType 
cvelist
 cvelist
🔗 www.cve.org👁 31 Views

Linux kernel ring-buffer frees free_page with wrong order when sub-buffer order exceeds zero.

Related
Affected
Refs
ReporterTitlePublishedViews
Family
circl
Circl
CVE-2026-89502
14 Sep 202610:10
–circl
cve
CVE
CVE-2026-89502
11 Sep 202619:43
–cve
debian
Debian
[SECURITY] [DSA 6528-1] linux security update
29 Sep 202609:49
–debian
debiancve
Debian CVE
CVE-2026-89502
11 Sep 202619:43
–debiancve
nessus
Tenable Nessus
Debian dsa-6528 : ata-modules-6.12.111+deb13-armmp-di - security update
29 Sep 202600:00
–nessus
nessus
Tenable Nessus
Linux Distros Unpatched Vulnerability : CVE-2026-89502
12 Sep 202600:00
–nessus
euvd
EUVD
EUVD-2026-76408
11 Sep 202619:43
–euvd
nvd
NVD
CVE-2026-89502
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-2026-89502
15 Sep 202606:05
–osv
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": "f9b94daa542a8d2532f0930f01cd9aec2d19621b",
        "lessThan": "77275ccea06eaf297e8e6ac3fc830cb72086379a",
        "status": "affected",
        "versionType": "git"
      },
      {
        "version": "f9b94daa542a8d2532f0930f01cd9aec2d19621b",
        "lessThan": "8c1ecdcdea738efe0494af908f12c0ae3a97fffa",
        "status": "affected",
        "versionType": "git"
      },
      {
        "version": "f9b94daa542a8d2532f0930f01cd9aec2d19621b",
        "lessThan": "81063bbb16c4fcf0136c9117d5e49d3621dd6a1e",
        "status": "affected",
        "versionType": "git"
      },
      {
        "version": "f9b94daa542a8d2532f0930f01cd9aec2d19621b",
        "lessThan": "234b1a72e9706fe20c08c96f4374ec8e83b934cb",
        "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": "6.12.109",
        "lessThanOrEqual": "6.12.*",
        "status": "unaffected",
        "versionType": "semver"
      },
      {
        "version": "6.18.50",
        "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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