CVE-2025-37789 (GCVE-0-2025-37789)

Vulnerability from cvelistv5 – Published: 2025-05-01 13:07 – Updated: 2026-06-11 18:44
VLAI
Title
net: openvswitch: fix nested key length validation in the set() action
Summary
In the Linux kernel, the following vulnerability has been resolved: net: openvswitch: fix nested key length validation in the set() action It's not safe to access nla_len(ovs_key) if the data is smaller than the netlink header. Check that the attribute is OK first.
Severity
No CVSS data available.
SSVC
Exploitation: none Automatable: no Technical Impact: total
CISA Coordinator (v2.0.3)
Assigner
References
Impacted products
Vendor Product Version
Linux Linux Affected: ccb1352e76cff0524e7ccb2074826a092dd13016 , < 54c6957d1123a2032099b9eab51c314800f677ce (git)
Affected: ccb1352e76cff0524e7ccb2074826a092dd13016 , < 7fcaec0b2ab8fa5fbf0b45e5512364a168f445bd (git)
Affected: ccb1352e76cff0524e7ccb2074826a092dd13016 , < a27526e6b48eee9e2d82efff502c4f272f1a91d4 (git)
Affected: ccb1352e76cff0524e7ccb2074826a092dd13016 , < 1489c195c8eecd262aa6712761ba5288203e28ec (git)
Affected: ccb1352e76cff0524e7ccb2074826a092dd13016 , < 824a7c2df5127b2402b68a21a265d413e78dcad7 (git)
Affected: ccb1352e76cff0524e7ccb2074826a092dd13016 , < be80768d4f3b6fd13f421451cc3fee8778aba8bc (git)
Affected: ccb1352e76cff0524e7ccb2074826a092dd13016 , < 03d7262dd53e8c404da35cc81aaa887fd901f76b (git)
Affected: ccb1352e76cff0524e7ccb2074826a092dd13016 , < 65d91192aa66f05710cfddf6a14b5a25ee554dba (git)
Create a notification for this product.
Linux Linux Affected: 3.3
Unaffected: 0 , < 3.3 (semver)
Unaffected: 5.4.293 , ≤ 5.4.* (semver)
Unaffected: 5.10.237 , ≤ 5.10.* (semver)
Unaffected: 5.15.181 , ≤ 5.15.* (semver)
Unaffected: 6.1.135 , ≤ 6.1.* (semver)
Unaffected: 6.6.88 , ≤ 6.6.* (semver)
Unaffected: 6.12.25 , ≤ 6.12.* (semver)
Unaffected: 6.14.4 , ≤ 6.14.* (semver)
Unaffected: 6.15 , ≤ * (original_commit_for_fix)
Create a notification for this product.
Show details on NVD website
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\"versionType\": \"semver\", \"lessThanOrEqual\": \"5.4.*\"}, {\"status\": \"unaffected\", \"version\": \"5.10.237\", \"versionType\": \"semver\", \"lessThanOrEqual\": \"5.10.*\"}, {\"status\": \"unaffected\", \"version\": \"5.15.181\", \"versionType\": \"semver\", \"lessThanOrEqual\": \"5.15.*\"}, {\"status\": \"unaffected\", \"version\": \"6.1.135\", \"versionType\": \"semver\", \"lessThanOrEqual\": \"6.1.*\"}, {\"status\": \"unaffected\", \"version\": \"6.6.88\", \"versionType\": \"semver\", \"lessThanOrEqual\": \"6.6.*\"}, {\"status\": \"unaffected\", \"version\": \"6.12.25\", \"versionType\": \"semver\", \"lessThanOrEqual\": \"6.12.*\"}, {\"status\": \"unaffected\", \"version\": \"6.14.4\", \"versionType\": \"semver\", \"lessThanOrEqual\": \"6.14.*\"}, {\"status\": \"unaffected\", \"version\": \"6.15\", \"versionType\": \"original_commit_for_fix\", \"lessThanOrEqual\": \"*\"}], \"programFiles\": [\"net/openvswitch/flow_netlink.c\"], \"defaultStatus\": \"affected\"}], \"references\": [{\"url\": \"https://git.kernel.org/stable/c/54c6957d1123a2032099b9eab51c314800f677ce\"}, {\"url\": \"https://git.kernel.org/stable/c/7fcaec0b2ab8fa5fbf0b45e5512364a168f445bd\"}, {\"url\": \"https://git.kernel.org/stable/c/a27526e6b48eee9e2d82efff502c4f272f1a91d4\"}, {\"url\": \"https://git.kernel.org/stable/c/1489c195c8eecd262aa6712761ba5288203e28ec\"}, {\"url\": \"https://git.kernel.org/stable/c/824a7c2df5127b2402b68a21a265d413e78dcad7\"}, {\"url\": \"https://git.kernel.org/stable/c/be80768d4f3b6fd13f421451cc3fee8778aba8bc\"}, {\"url\": \"https://git.kernel.org/stable/c/03d7262dd53e8c404da35cc81aaa887fd901f76b\"}, {\"url\": \"https://git.kernel.org/stable/c/65d91192aa66f05710cfddf6a14b5a25ee554dba\"}], \"x_generator\": {\"engine\": \"bippy-1.2.0\"}, \"descriptions\": [{\"lang\": \"en\", \"value\": \"In the Linux kernel, the following vulnerability has been resolved:\\n\\nnet: openvswitch: fix nested key length validation in the set() action\\n\\nIt\u0027s not safe to access nla_len(ovs_key) if the data is smaller than\\nthe netlink header.  Check that the attribute is OK first.\"}], \"cpeApplicability\": [{\"nodes\": [{\"negate\": false, \"cpeMatch\": [{\"criteria\": \"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*\", \"vulnerable\": true, \"versionEndExcluding\": \"5.4.293\", \"versionStartIncluding\": \"3.3\"}, {\"criteria\": \"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*\", \"vulnerable\": true, \"versionEndExcluding\": \"5.10.237\", \"versionStartIncluding\": \"3.3\"}, {\"criteria\": \"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*\", \"vulnerable\": true, \"versionEndExcluding\": \"5.15.181\", \"versionStartIncluding\": \"3.3\"}, {\"criteria\": \"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*\", \"vulnerable\": true, \"versionEndExcluding\": \"6.1.135\", \"versionStartIncluding\": \"3.3\"}, {\"criteria\": \"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*\", \"vulnerable\": true, \"versionEndExcluding\": \"6.6.88\", \"versionStartIncluding\": \"3.3\"}, {\"criteria\": \"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*\", \"vulnerable\": true, \"versionEndExcluding\": \"6.12.25\", \"versionStartIncluding\": \"3.3\"}, {\"criteria\": \"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*\", \"vulnerable\": true, \"versionEndExcluding\": \"6.14.4\", \"versionStartIncluding\": \"3.3\"}, {\"criteria\": \"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*\", \"vulnerable\": true, \"versionEndExcluding\": \"6.15\", \"versionStartIncluding\": \"3.3\"}], \"operator\": \"OR\"}]}], \"providerMetadata\": {\"orgId\": \"416baaa9-dc9f-4396-8d5f-8c081fb06d67\", \"shortName\": \"Linux\", \"dateUpdated\": \"2026-05-11T21:15:12.473Z\"}}}",
      "cveMetadata": "{\"cveId\": \"CVE-2025-37789\", \"state\": \"PUBLISHED\", \"dateUpdated\": \"2026-06-11T18:44:15.185Z\", \"dateReserved\": \"2025-04-16T04:51:23.940Z\", \"assignerOrgId\": \"416baaa9-dc9f-4396-8d5f-8c081fb06d67\", \"datePublished\": \"2025-05-01T13:07:22.809Z\", \"assignerShortName\": \"Linux\"}",
      "dataType": "CVE_RECORD",
      "dataVersion": "5.2"
    }
  }
}


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Tags
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.