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CVE-2026-89743 misc: nsm: bound the device-reported response length

🗓️ 11 Sep 2026 19:46:49Reported by LinuxType 
cvelist
 cvelist
🔗 www.cve.org👁 13 Views

Linux kernel NSM driver out-of-bounds read when device reports response length exceeding buffer size.

Related
Affected
Refs
ReporterTitlePublishedViews
Family
cve
CVE
CVE-2026-89743
11 Sep 202619:46
cve
euvd
EUVD
EUVD-2026-76655
11 Sep 202619:46
euvd
nvd
NVD
CVE-2026-89743
11 Sep 202620:20
nvd
ptsecurity
Positive Technologies
PT-2026-90459
11 Sep 202600:00
ptsecurity
redhatcve
RedhatCVE
CVE-2026-89743
11 Sep 202622:15
redhatcve
[
  {
    "product": "Linux",
    "vendor": "Linux",
    "defaultStatus": "unaffected",
    "repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git",
    "programFiles": [
      "drivers/misc/nsm.c"
    ],
    "versions": [
      {
        "version": "b9873755a6c8ccfce79094c4dce9efa3ecb1a749",
        "lessThan": "339f19b9a6171289b0e797deb8bda80b9a1fcc30",
        "status": "affected",
        "versionType": "git"
      },
      {
        "version": "b9873755a6c8ccfce79094c4dce9efa3ecb1a749",
        "lessThan": "29e634a18957acda11383a15ab98a91c4ae9e294",
        "status": "affected",
        "versionType": "git"
      },
      {
        "version": "b9873755a6c8ccfce79094c4dce9efa3ecb1a749",
        "lessThan": "2aa0fb9c96f894a9c179a48e7522ea6705800adf",
        "status": "affected",
        "versionType": "git"
      },
      {
        "version": "b9873755a6c8ccfce79094c4dce9efa3ecb1a749",
        "lessThan": "808e530654a5354e6df78863a5d61e4d44e67235",
        "status": "affected",
        "versionType": "git"
      }
    ]
  },
  {
    "product": "Linux",
    "vendor": "Linux",
    "defaultStatus": "affected",
    "repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git",
    "programFiles": [
      "drivers/misc/nsm.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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