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CVE-2026-74738

🗓️ 26 Aug 2026 14:36:51Reported by LinuxType 
cve
 cve
🔗 web.nvd.nist.gov👁 4 Views

NULL function pointer in regmap sdw-mbq when readable_reg callback is unset, causing kernel crash.

Related
Detection
Affected
Refs
ReporterTitlePublishedViews
Family
cvelist
Cvelist
CVE-2026-74738 regmap: sdw-mbq: don't call an unset readable_reg callback
26 Aug 202614:36
cvelist
euvd
EUVD
EUVD-2026-66568
26 Aug 202614:36
euvd
nvd
NVD
CVE-2026-74738
26 Aug 202615:16
nvd
osv
OSV
DEBIAN-CVE-2026-74738
26 Aug 202620:47
osv
ptsecurity
Positive Technologies
PT-2026-82118
26 Aug 202600:00
ptsecurity
Vulners
CNA
Node
OR
linuxlinux_kernelRange6.146.18.46
linuxlinux_kernelRange6.19.07.1.10
linuxlinux_kernelRange7.2.0
[
  {
    "product": "Linux",
    "vendor": "Linux",
    "defaultStatus": "unaffected",
    "repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git",
    "programFiles": [
      "drivers/base/regmap/regmap-sdw-mbq.c"
    ],
    "versions": [
      {
        "version": "5bc493bf0c37c157bf2eb364e55a1c6f8bc43a69",
        "lessThan": "6cf600b276a55a6481462830607a611f32e737c0",
        "status": "affected",
        "versionType": "git"
      },
      {
        "version": "5bc493bf0c37c157bf2eb364e55a1c6f8bc43a69",
        "lessThan": "5bd8e897ecf558507142f4553e4526adfc1d6482",
        "status": "affected",
        "versionType": "git"
      },
      {
        "version": "5bc493bf0c37c157bf2eb364e55a1c6f8bc43a69",
        "lessThan": "00268f9452d2a0d660aa9c1bb0ca07a994af6a4f",
        "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/base/regmap/regmap-sdw-mbq.c"
    ],
    "versions": [
      {
        "version": "6.14",
        "status": "affected"
      },
      {
        "version": "0",
        "lessThan": "6.14",
        "status": "unaffected",
        "versionType": "semver"
      },
      {
        "version": "6.18.46",
        "lessThanOrEqual": "6.18.*",
        "status": "unaffected",
        "versionType": "semver"
      },
      {
        "version": "7.1.10",
        "lessThanOrEqual": "7.1.*",
        "status": "unaffected",
        "versionType": "semver"
      },
      {
        "version": "7.2",
        "lessThanOrEqual": "*",
        "status": "unaffected",
        "versionType": "original_commit_for_fix"
      }
    ]
  }
]

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26 Aug 2026 15:16Current
5.4Medium risk
Vulners AI Score5.4
4