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CVE-2026-46029 mm/slab: return NULL early from kmalloc_nolock() in NMI on UP

🗓️ 27 May 2026 12:56:38Reported by LinuxType 
cvelist
 cvelist
🔗 www.cve.org👁 41 Views

CVE-2026-46029: On uniprocessor kernels, kmalloc_nolock() in NMI returns NULL to prevent reentry.

Related
Affected
Refs
ReporterTitlePublishedViews
Family
Tenable Nessus
Amazon Linux 2023 : bpftool6.18, kernel6.18, kernel6.18-devel (ALAS2023-2026-1754)
27 May 202600:00
nessus
Tenable Nessus
Linux Distros Unpatched Vulnerability : CVE-2026-46029
3 Jun 202600:00
nessus
Amazon
Important: kernel6.18
26 May 202600:00
amazon
AstraLinux
Astra Linux – Vulnerability in Linux 5.10
19 Jun 202611:10
astralinux
Circl
CVE-2026-46029
2 Jul 202606:48
circl
CNNVD
Linux kernel 安全漏洞
27 May 202600:00
cnnvd
CVE
CVE-2026-46029
27 May 202612:56
cve
Debian CVE
CVE-2026-46029
27 May 202612:56
debiancve
EUVD
EUVD-2026-32410
27 May 202612:56
euvd
NVD
CVE-2026-46029
27 May 202614:17
nvd
Rows per page
[
  {
    "product": "Linux",
    "vendor": "Linux",
    "defaultStatus": "unaffected",
    "repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git",
    "programFiles": [
      "mm/slub.c"
    ],
    "versions": [
      {
        "version": "af92793e52c3a99b828ed4bdd277fd3e11c18d08",
        "lessThan": "a8d95d274be241ad21f6523bf2d6ba0d7d7e46b7",
        "status": "affected",
        "versionType": "git"
      },
      {
        "version": "af92793e52c3a99b828ed4bdd277fd3e11c18d08",
        "lessThan": "d66553204a15bdb257d9ef8aca1e12f5fbb910b2",
        "status": "affected",
        "versionType": "git"
      },
      {
        "version": "af92793e52c3a99b828ed4bdd277fd3e11c18d08",
        "lessThan": "5b31044e649e3e54c2caef135c09b371c2fbcd08",
        "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/slub.c"
    ],
    "versions": [
      {
        "version": "6.18",
        "status": "affected"
      },
      {
        "version": "0",
        "lessThan": "6.18",
        "status": "unaffected",
        "versionType": "semver"
      },
      {
        "version": "6.18.27",
        "lessThanOrEqual": "6.18.*",
        "status": "unaffected",
        "versionType": "semver"
      },
      {
        "version": "7.0.4",
        "lessThanOrEqual": "7.0.*",
        "status": "unaffected",
        "versionType": "semver"
      },
      {
        "version": "7.1",
        "lessThanOrEqual": "*",
        "status": "unaffected",
        "versionType": "original_commit_for_fix"
      }
    ]
  }
]

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