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CVE-2026-90046 mm/page_alloc: don't spin_trylock() in NMI on UP

🗓️ 16 Sep 2026 10:33:43Reported by LinuxType 
cvelist
 cvelist
🔗 www.cve.org👁 43 Views

Linux kernel mm/page_alloc spin_trylock in NMI on UP allows local privilege escalation.

Related
Affected
Refs
ReporterTitlePublishedViews
Family
cve
CVE
CVE-2026-90046
16 Sep 202610:33
–cve
debiancve
Debian CVE
CVE-2026-90046
16 Sep 202610:33
–debiancve
euvd
EUVD
EUVD-2026-80654
16 Sep 202610:33
–euvd
nvd
NVD
CVE-2026-90046
16 Sep 202611:17
–nvd
osv
OSV
BELL-CVE-2026-90046
18 Sep 202606:06
–osv
osv
OSV
DEBIAN-CVE-2026-90046
16 Sep 202611:17
–osv
osv
OSV
OPENSUSE-SU-2026:11880-1 kernel-devel-7.2.7-1.1 on GA media
24 Sep 202600:00
–osv
osv
OSV
UBUNTU-CVE-2026-90046
16 Sep 202611:17
–osv
ptsecurity
Positive Technologies
PT-2026-93687
16 Sep 202600:00
–ptsecurity
rapid7
Rapid7 Vulnerability Database (full)
CVE-2026-90046: Undefined Security Weakness
16 Sep 202600:00
–rapid7
Rows per page
[
  {
    "product": "Linux",
    "vendor": "Linux",
    "defaultStatus": "unaffected",
    "repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git",
    "programFiles": [
      "mm/page_alloc.c"
    ],
    "versions": [
      {
        "version": "8c57b687e8331eb80e302a2c528b18b966a9ac7a",
        "lessThan": "06c76d3c389ff504052f64b1acee44651bd847fa",
        "status": "affected",
        "versionType": "git"
      },
      {
        "version": "8c57b687e8331eb80e302a2c528b18b966a9ac7a",
        "lessThan": "68a069b407303e71db371df85036101e8ff59280",
        "status": "affected",
        "versionType": "git"
      },
      {
        "version": "8c57b687e8331eb80e302a2c528b18b966a9ac7a",
        "lessThan": "3105ae628fb785d48b49256468be4f21a7b3cfc0",
        "status": "affected",
        "versionType": "git"
      }
    ]
  },
  {
    "product": "Linux",
    "vendor": "Linux",
    "defaultStatus": "affected",
    "repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git",
    "programFiles": [
      "mm/page_alloc.c"
    ],
    "versions": [
      {
        "version": "6.15",
        "status": "affected"
      },
      {
        "version": "0",
        "lessThan": "6.15",
        "status": "unaffected",
        "versionType": "semver"
      },
      {
        "version": "6.18.51",
        "lessThanOrEqual": "6.18.*",
        "status": "unaffected",
        "versionType": "semver"
      },
      {
        "version": "7.2.5",
        "lessThanOrEqual": "7.2.*",
        "status": "unaffected",
        "versionType": "semver"
      },
      {
        "version": "7.3-rc1",
        "lessThanOrEqual": "*",
        "status": "unaffected",
        "versionType": "original_commit_for_fix"
      }
    ]
  }
]

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16 Sep 2026 14:42Current
CVSS 3.17.8
EPSS0.00165
43