CVE-2022-49508 (GCVE-0-2022-49508)

Vulnerability from cvelistv5 – Published: 2025-02-26 02:13 – Updated: 2026-05-11 19:01
VLAI
Title
HID: elan: Fix potential double free in elan_input_configured
Summary
In the Linux kernel, the following vulnerability has been resolved: HID: elan: Fix potential double free in elan_input_configured 'input' is a managed resource allocated with devm_input_allocate_device(), so there is no need to call input_free_device() explicitly or there will be a double free. According to the doc of devm_input_allocate_device(): * Managed input devices do not need to be explicitly unregistered or * freed as it will be done automatically when owner device unbinds from * its driver (or binding fails).
Severity
7.8 (High)
CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
CWE
Assigner
References
Impacted products
Vendor Product Version
Linux Linux Affected: 9a6a4193d65b853020ef0e66cecdf9e64a863883 , < c92ec22a991778a096342cf1a917ae36c5c86a90 (git)
Affected: 9a6a4193d65b853020ef0e66cecdf9e64a863883 , < f1d4f19a796551edc6679a681ea1756b8c578c08 (git)
Affected: 9a6a4193d65b853020ef0e66cecdf9e64a863883 , < 6d0726725c7c560495f5ff364862a2cefea542e3 (git)
Affected: 9a6a4193d65b853020ef0e66cecdf9e64a863883 , < 24f9dfdaece9bd75bb8dbfdba83eddeefdf7dc47 (git)
Affected: 9a6a4193d65b853020ef0e66cecdf9e64a863883 , < 5291451851feeb66fd4bf0826710f482f3b1ab38 (git)
Affected: 9a6a4193d65b853020ef0e66cecdf9e64a863883 , < 8bb1716507ebf12d50bbf181764481de3b6bc7fd (git)
Affected: 9a6a4193d65b853020ef0e66cecdf9e64a863883 , < 1af20714fedad238362571620be0bd690ded05b6 (git)
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Linux Linux Affected: 4.17
Unaffected: 0 , < 4.17 (semver)
Unaffected: 4.19.247 , ≤ 4.19.* (semver)
Unaffected: 5.4.198 , ≤ 5.4.* (semver)
Unaffected: 5.10.121 , ≤ 5.10.* (semver)
Unaffected: 5.15.46 , ≤ 5.15.* (semver)
Unaffected: 5.17.14 , ≤ 5.17.* (semver)
Unaffected: 5.18.3 , ≤ 5.18.* (semver)
Unaffected: 5.19 , ≤ * (original_commit_for_fix)
Create a notification for this product.
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\"https://git.kernel.org/stable/c/c92ec22a991778a096342cf1a917ae36c5c86a90\"}, {\"url\": \"https://git.kernel.org/stable/c/f1d4f19a796551edc6679a681ea1756b8c578c08\"}, {\"url\": \"https://git.kernel.org/stable/c/6d0726725c7c560495f5ff364862a2cefea542e3\"}, {\"url\": \"https://git.kernel.org/stable/c/24f9dfdaece9bd75bb8dbfdba83eddeefdf7dc47\"}, {\"url\": \"https://git.kernel.org/stable/c/5291451851feeb66fd4bf0826710f482f3b1ab38\"}, {\"url\": \"https://git.kernel.org/stable/c/8bb1716507ebf12d50bbf181764481de3b6bc7fd\"}, {\"url\": \"https://git.kernel.org/stable/c/1af20714fedad238362571620be0bd690ded05b6\"}], \"x_generator\": {\"engine\": \"bippy-1.2.0\"}, \"descriptions\": [{\"lang\": \"en\", \"value\": \"In the Linux kernel, the following vulnerability has been resolved:\\n\\nHID: elan: Fix potential double free in elan_input_configured\\n\\n\u0027input\u0027 is a managed resource allocated with devm_input_allocate_device(),\\nso there is no need to call input_free_device() explicitly or\\nthere will be a double free.\\n\\nAccording to the doc of devm_input_allocate_device():\\n * Managed input devices do not need to be explicitly unregistered or\\n * freed as it will be done automatically when owner device unbinds from\\n * its driver (or binding fails).\"}], \"cpeApplicability\": [{\"nodes\": [{\"negate\": false, \"cpeMatch\": [{\"criteria\": \"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*\", \"vulnerable\": true, \"versionEndExcluding\": \"4.19.247\", \"versionStartIncluding\": \"4.17\"}, {\"criteria\": \"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*\", \"vulnerable\": true, \"versionEndExcluding\": \"5.4.198\", \"versionStartIncluding\": \"4.17\"}, {\"criteria\": \"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*\", \"vulnerable\": true, \"versionEndExcluding\": \"5.10.121\", \"versionStartIncluding\": \"4.17\"}, {\"criteria\": \"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*\", \"vulnerable\": true, \"versionEndExcluding\": \"5.15.46\", \"versionStartIncluding\": \"4.17\"}, {\"criteria\": \"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*\", \"vulnerable\": true, \"versionEndExcluding\": \"5.17.14\", \"versionStartIncluding\": \"4.17\"}, {\"criteria\": \"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*\", \"vulnerable\": true, \"versionEndExcluding\": \"5.18.3\", \"versionStartIncluding\": \"4.17\"}, {\"criteria\": \"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*\", \"vulnerable\": true, \"versionEndExcluding\": \"5.19\", \"versionStartIncluding\": \"4.17\"}], \"operator\": \"OR\"}]}], \"providerMetadata\": {\"orgId\": \"416baaa9-dc9f-4396-8d5f-8c081fb06d67\", \"shortName\": \"Linux\", \"dateUpdated\": \"2026-05-11T19:01:16.479Z\"}}}",
      "cveMetadata": "{\"cveId\": \"CVE-2022-49508\", \"state\": \"PUBLISHED\", \"dateUpdated\": \"2026-05-11T19:01:16.479Z\", \"dateReserved\": \"2025-02-26T02:08:31.587Z\", \"assignerOrgId\": \"416baaa9-dc9f-4396-8d5f-8c081fb06d67\", \"datePublished\": \"2025-02-26T02:13:39.472Z\", \"assignerShortName\": \"Linux\"}",
      "dataType": "CVE_RECORD",
      "dataVersion": "5.2"
    }
  }
}


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Taxonomy of the tags.




Forecast uses a logistic model when the trend is rising, or an exponential decay model when the trend is falling. Fitted via linearized least squares.

Sightings

Author Source Type Date Other

Nomenclature

  • Seen: The vulnerability was mentioned, discussed, or observed by the user.
  • Confirmed: The vulnerability has been validated from an analyst's perspective.
  • Published Proof of Concept: A public proof of concept is available for this vulnerability.
  • Exploited: The vulnerability was observed as exploited by the user who reported the sighting.
  • Patched: The vulnerability was observed as successfully patched by the user who reported the sighting.
  • Not exploited: The vulnerability was not observed as exploited by the user who reported the sighting.
  • Not confirmed: The user expressed doubt about the validity of the vulnerability.
  • Not patched: The vulnerability was not observed as successfully patched by the user who reported the sighting.



Detection rules are retrieved from Rulezet.