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CVE-2022-49211 (GCVE-0-2022-49211)

Vulnerability from cvelistv5 – Published: 2025-02-26 01:55 – Updated: 2026-05-11 18:55
VLAI
Title
mips: cdmm: Fix refcount leak in mips_cdmm_phys_base
Summary
In the Linux kernel, the following vulnerability has been resolved: mips: cdmm: Fix refcount leak in mips_cdmm_phys_base The of_find_compatible_node() function returns a node pointer with refcount incremented, We should use of_node_put() on it when done Add the missing of_node_put() to release the refcount.
Severity
5.5 (Medium)
CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H
SSVC
Exploitation: none Automatable: no Technical Impact: partial
CISA Coordinator · CISA-ADP (v2.0.3)
Decision recorded 2025-10-01 20:08 UTC
CWE
Assigner
References
Impacted products
Vendor Product Version CPE status
Linux Linux Affected: 2121aa3e2312ccc1d6299154dc4f07a6ab8beee2 , < ef1728e3cb9e43f38ed10cde705a7ba2b4ad2d35 (git)
Affected: 2121aa3e2312ccc1d6299154dc4f07a6ab8beee2 , < 69155dc2e04777aa94207a73a8b10f12b8428a68 (git)
Affected: 2121aa3e2312ccc1d6299154dc4f07a6ab8beee2 , < 4680c2ac9aabda82acd23ebbd1f900fb6a889cd3 (git)
Affected: 2121aa3e2312ccc1d6299154dc4f07a6ab8beee2 , < 721ab4be20d4448dd04c2cc8ed99cd4f3e45f765 (git)
Affected: 2121aa3e2312ccc1d6299154dc4f07a6ab8beee2 , < 4528668ca331f7ce5999b7746657b46db5b3b785 (git)
guessed Create a notification for this product.
Linux Linux Affected: 5.9
Unaffected: 0 , < 5.9 (semver)
Unaffected: 5.10.110 , ≤ 5.10.* (semver)
Unaffected: 5.15.33 , ≤ 5.15.* (semver)
Unaffected: 5.16.19 , ≤ 5.16.* (semver)
Unaffected: 5.17.2 , ≤ 5.17.* (semver)
Unaffected: 5.18 , ≤ * (original_commit_for_fix)
guessed Create a notification for this product.
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\"shortName\": \"CISA-ADP\", \"dateUpdated\": \"2025-10-01T16:09:36.575Z\"}}], \"cna\": {\"title\": \"mips: cdmm: Fix refcount leak in mips_cdmm_phys_base\", \"affected\": [{\"repo\": \"https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git\", \"vendor\": \"Linux\", \"product\": \"Linux\", \"versions\": [{\"status\": \"affected\", \"version\": \"2121aa3e2312ccc1d6299154dc4f07a6ab8beee2\", \"lessThan\": \"ef1728e3cb9e43f38ed10cde705a7ba2b4ad2d35\", \"versionType\": \"git\"}, {\"status\": \"affected\", \"version\": \"2121aa3e2312ccc1d6299154dc4f07a6ab8beee2\", \"lessThan\": \"69155dc2e04777aa94207a73a8b10f12b8428a68\", \"versionType\": \"git\"}, {\"status\": \"affected\", \"version\": \"2121aa3e2312ccc1d6299154dc4f07a6ab8beee2\", \"lessThan\": \"4680c2ac9aabda82acd23ebbd1f900fb6a889cd3\", \"versionType\": \"git\"}, {\"status\": \"affected\", \"version\": \"2121aa3e2312ccc1d6299154dc4f07a6ab8beee2\", \"lessThan\": \"721ab4be20d4448dd04c2cc8ed99cd4f3e45f765\", \"versionType\": 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\"semver\", \"lessThanOrEqual\": \"5.17.*\"}, {\"status\": \"unaffected\", \"version\": \"5.18\", \"versionType\": \"original_commit_for_fix\", \"lessThanOrEqual\": \"*\"}], \"programFiles\": [\"drivers/bus/mips_cdmm.c\"], \"defaultStatus\": \"affected\"}], \"references\": [{\"url\": \"https://git.kernel.org/stable/c/ef1728e3cb9e43f38ed10cde705a7ba2b4ad2d35\"}, {\"url\": \"https://git.kernel.org/stable/c/69155dc2e04777aa94207a73a8b10f12b8428a68\"}, {\"url\": \"https://git.kernel.org/stable/c/4680c2ac9aabda82acd23ebbd1f900fb6a889cd3\"}, {\"url\": \"https://git.kernel.org/stable/c/721ab4be20d4448dd04c2cc8ed99cd4f3e45f765\"}, {\"url\": \"https://git.kernel.org/stable/c/4528668ca331f7ce5999b7746657b46db5b3b785\"}], \"x_generator\": {\"engine\": \"bippy-1.2.0\"}, \"descriptions\": [{\"lang\": \"en\", \"value\": \"In the Linux kernel, the following vulnerability has been resolved:\\n\\nmips: cdmm: Fix refcount leak in mips_cdmm_phys_base\\n\\nThe of_find_compatible_node() function returns a node pointer with\\nrefcount incremented, We should use of_node_put() on it when done\\nAdd the missing of_node_put() to release the refcount.\"}], \"cpeApplicability\": [{\"nodes\": [{\"negate\": false, \"cpeMatch\": [{\"criteria\": \"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*\", \"vulnerable\": true, \"versionEndExcluding\": \"5.10.110\", \"versionStartIncluding\": \"5.9\"}, {\"criteria\": \"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*\", \"vulnerable\": true, \"versionEndExcluding\": \"5.15.33\", \"versionStartIncluding\": \"5.9\"}, {\"criteria\": \"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*\", \"vulnerable\": true, \"versionEndExcluding\": \"5.16.19\", \"versionStartIncluding\": \"5.9\"}, {\"criteria\": \"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*\", \"vulnerable\": true, \"versionEndExcluding\": \"5.17.2\", \"versionStartIncluding\": \"5.9\"}, {\"criteria\": \"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*\", \"vulnerable\": true, \"versionEndExcluding\": \"5.18\", \"versionStartIncluding\": \"5.9\"}], \"operator\": \"OR\"}]}], \"providerMetadata\": {\"orgId\": \"416baaa9-dc9f-4396-8d5f-8c081fb06d67\", \"shortName\": \"Linux\", \"dateUpdated\": \"2026-05-11T18:55:17.831Z\"}}}",
      "cveMetadata": "{\"cveId\": \"CVE-2022-49211\", \"state\": \"PUBLISHED\", \"dateUpdated\": \"2026-05-11T18:55:17.831Z\", \"dateReserved\": \"2025-02-26T01:49:39.292Z\", \"assignerOrgId\": \"416baaa9-dc9f-4396-8d5f-8c081fb06d67\", \"datePublished\": \"2025-02-26T01:55:48.176Z\", \"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.