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CVE-2026-31457

🗓️ 22 Apr 2026 13:53:50Reported by LinuxType 
cve
 cve
🔗 web.nvd.nist.gov👁 17 Views🌐 WEB

CVE-2026-31457 fixes a NULL pointer dereference in damon sysfs by checking nr_contexts.

Related
Detection
Affected
Refs
Paths
ReporterTitlePublishedViews
Family
nessus
Tenable Nessus
Amazon Linux 2023 : bpftool6.18, kernel6.18, kernel6.18-devel (ALAS2023-2026-1746)
27 May 202600:00
nessus
nessus
Tenable Nessus
Linux Distros Unpatched Vulnerability : CVE-2026-31457
28 Apr 202600:00
nessus
amazon
Amazon
Important: kernel6.18
26 May 202600:00
amazon
astralinux
AstraLinux
Astra Linux – Vulnerability in Linux 5.10
20 May 202605:53
astralinux
cnnvd
CNNVD
Linux kernel 安全漏洞
22 Apr 202600:00
cnnvd
cvelist
Cvelist
CVE-2026-31457 mm/damon/sysfs: check contexts->nr in repeat_call_fn
22 Apr 202613:53
cvelist
debiancve
Debian CVE
CVE-2026-31457
22 Apr 202613:53
debiancve
euvd
EUVD
EUVD-2026-24796
22 Apr 202615:31
euvd
nvd
NVD
CVE-2026-31457
22 Apr 202614:16
nvd
osv
OSV
BELL-CVE-2026-31457
25 Apr 202606:10
osv
Rows per page
NVD
Vulners
CNA
Node
OR
linuxlinux_kernelRange6.176.18.21
linuxlinux_kernelRange6.196.19.11
[
  {
    "product": "Linux",
    "vendor": "Linux",
    "defaultStatus": "unaffected",
    "repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git",
    "programFiles": [
      "mm/damon/sysfs.c"
    ],
    "versions": [
      {
        "version": "d809a7c64ba8229286b333c0cba03b1cdfb50238",
        "lessThan": "3527e9fdc38570cea0f6ddb7a2c9303d4044b217",
        "status": "affected",
        "versionType": "git"
      },
      {
        "version": "d809a7c64ba8229286b333c0cba03b1cdfb50238",
        "lessThan": "652cd0641a763dd0e846b0d12814977fadb2b7d8",
        "status": "affected",
        "versionType": "git"
      },
      {
        "version": "d809a7c64ba8229286b333c0cba03b1cdfb50238",
        "lessThan": "6557004a8b59c7701e695f02be03c7e20ed1cc15",
        "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/damon/sysfs.c"
    ],
    "versions": [
      {
        "version": "6.17",
        "status": "affected"
      },
      {
        "version": "0",
        "lessThan": "6.17",
        "status": "unaffected",
        "versionType": "semver"
      },
      {
        "version": "6.18.21",
        "lessThanOrEqual": "6.18.*",
        "status": "unaffected",
        "versionType": "semver"
      },
      {
        "version": "6.19.11",
        "lessThanOrEqual": "6.19.*",
        "status": "unaffected",
        "versionType": "semver"
      },
      {
        "version": "7.0",
        "lessThanOrEqual": "*",
        "status": "unaffected",
        "versionType": "original_commit_for_fix"
      }
    ]
  }
]
ParameterPositionPathDescriptionCWE
nr_contextspath/sys/kernel/mm/damon/admin/kdamonds/0/contexts/nr_contextsNull pointer dereference in damon sysfs when nr_contexts is set to 0 without checking contexts->nr (CWE-476).CWE-476

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17 Jun 2026 10:33Current
5.6Medium risk
Vulners AI Score5.6
CVSS 3.15.5
EPSS0.00121
17