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CVE-2022-50255

🗓️ 15 Sep 2025 14:02:37Reported by LinuxType 
cve
 cve
🔗 web.nvd.nist.gov👁 33 Views🌐 WEB

Fixes crash when reading strings from synthetic tracing events in Linux kernel with safe user-space string handling.

Related
Detection
Affected
Refs
Paths
NVD
Vulners
CNA
Node
OR
linuxlinux_kernelRange5.105.15.75
linuxlinux_kernelRange5.165.19.17
linuxlinux_kernelRange6.06.0.3
[
  {
    "product": "Linux",
    "vendor": "Linux",
    "defaultStatus": "unaffected",
    "repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git",
    "programFiles": [
      "kernel/trace/trace_events_synth.c"
    ],
    "versions": [
      {
        "version": "bd82631d7ccdc894af2738e47abcba2cb6e7dea9",
        "lessThan": "d9c79fbcbdb6cb10c07c85040eaf615180b26c48",
        "status": "affected",
        "versionType": "git"
      },
      {
        "version": "bd82631d7ccdc894af2738e47abcba2cb6e7dea9",
        "lessThan": "149198d0b884e4606ed1d29b330c70016d878276",
        "status": "affected",
        "versionType": "git"
      },
      {
        "version": "bd82631d7ccdc894af2738e47abcba2cb6e7dea9",
        "lessThan": "f8bae1853196b52ede50950387f5b48cf83b9815",
        "status": "affected",
        "versionType": "git"
      },
      {
        "version": "bd82631d7ccdc894af2738e47abcba2cb6e7dea9",
        "lessThan": "0934ae9977c27133449b6dd8c6213970e7eece38",
        "status": "affected",
        "versionType": "git"
      }
    ]
  },
  {
    "product": "Linux",
    "vendor": "Linux",
    "defaultStatus": "affected",
    "repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git",
    "programFiles": [
      "kernel/trace/trace_events_synth.c"
    ],
    "versions": [
      {
        "version": "5.10",
        "status": "affected"
      },
      {
        "version": "0",
        "lessThan": "5.10",
        "status": "unaffected",
        "versionType": "semver"
      },
      {
        "version": "5.15.75",
        "lessThanOrEqual": "5.15.*",
        "status": "unaffected",
        "versionType": "semver"
      },
      {
        "version": "5.19.17",
        "lessThanOrEqual": "5.19.*",
        "status": "unaffected",
        "versionType": "semver"
      },
      {
        "version": "6.0.3",
        "lessThanOrEqual": "6.0.*",
        "status": "unaffected",
        "versionType": "semver"
      },
      {
        "version": "6.1",
        "lessThanOrEqual": "*",
        "status": "unaffected",
        "versionType": "original_commit_for_fix"
      }
    ]
  }
]
ParameterPositionPathDescriptionCWE
filepath/sys/kernel/tracing/dynamic_eventsKernel dynamic tracing events accept user-supplied string addresses which can be read without proper memory checks, leading to crashes; fixed by using safe string-reading helpers.CWE-125
char file[]path/sys/kernel/tracing/dynamic_eventsKernel dynamic tracing events accept user-supplied string addresses which can be read without proper memory checks, leading to crashes; fixed by using safe string-reading helpers.CWE-125
filenamepath/sys/kernel/tracing/events/syscalls/sys_enter_openat/triggerTrigger for sys_enter_openat uses user-provided filename in tracing, which can be exploited via unsafe string handling; mitigated by safe string access.CWE-125

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17 Jun 2026 05:23Current
6.4Medium risk
Vulners AI Score6.4
CVSS 3.17.1
EPSS0.00149
33