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
SSVC
Exploitation: none Automatable: no Technical Impact: total
CISA Coordinator · CISA-ADP (v2.0.3)
Decision recorded 2025-10-01 19:38 UTC
CWE
Assigner
References
Impacted products
Vendor Product Version CPE status
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)
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    "redhat_vex": {
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      "current_release_date": "2026-09-01T01:27:28Z",
      "cve": "CVE-2022-49508",
      "id": "CVE-2022-49508",
      "initial_release_date": "2025-02-27T03:05:47Z",
      "product_status:known_affected": "360",
      "product_status:known_not_affected": "344",
      "product_status:recommended": "293",
      "source": "SUSE CSAF VEX",
      "status": "interim",
      "title": "SUSE CVE CVE-2022-49508",
      "url": "https://ftp.suse.com/pub/projects/security/csaf-vex/cve-2022-49508.json",
      "version": "48"
    },
    "vulnrichment": {
      "containers": "{\"adp\": [{\"title\": \"CISA ADP Vulnrichment\", \"metrics\": [{\"cvssV3_1\": {\"scope\": \"UNCHANGED\", \"version\": \"3.1\", \"baseScore\": 7.8, \"attackVector\": \"LOCAL\", \"baseSeverity\": \"HIGH\", \"vectorString\": \"CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H\", \"integrityImpact\": \"HIGH\", \"userInteraction\": \"NONE\", \"attackComplexity\": \"LOW\", \"availabilityImpact\": \"HIGH\", \"privilegesRequired\": \"LOW\", \"confidentialityImpact\": \"HIGH\"}}, {\"other\": {\"type\": \"ssvc\", \"content\": {\"id\": \"CVE-2022-49508\", \"role\": \"CISA Coordinator\", \"options\": [{\"Exploitation\": \"none\"}, {\"Automatable\": \"no\"}, {\"Technical Impact\": \"total\"}], \"version\": \"2.0.3\", \"timestamp\": \"2025-10-01T19:38:25.923559Z\"}}}], \"problemTypes\": [{\"descriptions\": [{\"lang\": \"en\", \"type\": \"CWE\", \"cweId\": \"CWE-415\", \"description\": \"CWE-415 Double Free\"}]}], \"providerMetadata\": {\"orgId\": \"134c704f-9b21-4f2e-91b3-4a467353bcc0\", \"shortName\": \"CISA-ADP\", \"dateUpdated\": \"2025-10-01T16:49:08.359Z\"}}], \"cna\": {\"title\": \"HID: elan: Fix potential double free in elan_input_configured\", \"affected\": [{\"repo\": \"https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git\", \"vendor\": \"Linux\", \"product\": \"Linux\", \"versions\": [{\"status\": \"affected\", \"version\": \"9a6a4193d65b853020ef0e66cecdf9e64a863883\", \"lessThan\": \"c92ec22a991778a096342cf1a917ae36c5c86a90\", \"versionType\": \"git\"}, {\"status\": \"affected\", \"version\": \"9a6a4193d65b853020ef0e66cecdf9e64a863883\", \"lessThan\": \"f1d4f19a796551edc6679a681ea1756b8c578c08\", \"versionType\": \"git\"}, {\"status\": \"affected\", \"version\": \"9a6a4193d65b853020ef0e66cecdf9e64a863883\", \"lessThan\": \"6d0726725c7c560495f5ff364862a2cefea542e3\", \"versionType\": \"git\"}, {\"status\": \"affected\", \"version\": \"9a6a4193d65b853020ef0e66cecdf9e64a863883\", \"lessThan\": \"24f9dfdaece9bd75bb8dbfdba83eddeefdf7dc47\", \"versionType\": \"git\"}, {\"status\": \"affected\", \"version\": \"9a6a4193d65b853020ef0e66cecdf9e64a863883\", \"lessThan\": \"5291451851feeb66fd4bf0826710f482f3b1ab38\", \"versionType\": \"git\"}, {\"status\": \"affected\", \"version\": \"9a6a4193d65b853020ef0e66cecdf9e64a863883\", \"lessThan\": \"8bb1716507ebf12d50bbf181764481de3b6bc7fd\", \"versionType\": \"git\"}, {\"status\": \"affected\", \"version\": \"9a6a4193d65b853020ef0e66cecdf9e64a863883\", \"lessThan\": \"1af20714fedad238362571620be0bd690ded05b6\", \"versionType\": \"git\"}], \"programFiles\": [\"drivers/hid/hid-elan.c\"], \"defaultStatus\": \"unaffected\"}, {\"repo\": \"https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git\", \"vendor\": \"Linux\", \"product\": \"Linux\", \"versions\": [{\"status\": \"affected\", \"version\": \"4.17\"}, {\"status\": \"unaffected\", \"version\": \"0\", \"lessThan\": \"4.17\", \"versionType\": \"semver\"}, {\"status\": \"unaffected\", \"version\": \"4.19.247\", \"versionType\": \"semver\", \"lessThanOrEqual\": \"4.19.*\"}, {\"status\": \"unaffected\", \"version\": \"5.4.198\", \"versionType\": \"semver\", \"lessThanOrEqual\": \"5.4.*\"}, {\"status\": \"unaffected\", \"version\": \"5.10.121\", \"versionType\": \"semver\", \"lessThanOrEqual\": \"5.10.*\"}, {\"status\": \"unaffected\", \"version\": \"5.15.46\", \"versionType\": \"semver\", \"lessThanOrEqual\": \"5.15.*\"}, {\"status\": \"unaffected\", \"version\": \"5.17.14\", \"versionType\": \"semver\", \"lessThanOrEqual\": \"5.17.*\"}, {\"status\": \"unaffected\", \"version\": \"5.18.3\", \"versionType\": \"semver\", \"lessThanOrEqual\": \"5.18.*\"}, {\"status\": \"unaffected\", \"version\": \"5.19\", \"versionType\": \"original_commit_for_fix\", \"lessThanOrEqual\": \"*\"}], \"programFiles\": [\"drivers/hid/hid-elan.c\"], \"defaultStatus\": \"affected\"}], \"references\": [{\"url\": \"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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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

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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.


Related by attack behaviour

Vulnerabilities whose description is nearest to this one in the vector space of the CIRCL/vulnerability-attack-technique-biencoder model. This is a similarity search over the bi-encoder space (plain cosine), not a classification, and it has no measured accuracy.