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CVE-2022-48893 (GCVE-0-2022-48893)

Vulnerability from cvelistv5 – Published: 2024-08-21 06:10 – Updated: 2026-05-11 18:49
VLAI
Title
drm/i915/gt: Cleanup partial engine discovery failures
Summary
In the Linux kernel, the following vulnerability has been resolved: drm/i915/gt: Cleanup partial engine discovery failures If we abort driver initialisation in the middle of gt/engine discovery, some engines will be fully setup and some not. Those incompletely setup engines only have 'engine->release == NULL' and so will leak any of the common objects allocated. v2: - Drop the destroy_pinned_context() helper for now. It's not really worth it with just a single callsite at the moment. (Janusz)
Severity
No CVSS data available.
SSVC
Exploitation: none Automatable: no Technical Impact: partial
CISA Coordinator · CISA-ADP (v2.0.3)
Decision recorded 2024-09-10 16:04 UTC
Assigner
References
Impacted products
Vendor Product Version CPE status
Linux Linux Affected: 7d70a1233d11ce9286e1a04c4f1bcd263e3e405e , < 78350c36fb15afef423404a83dcbc5c558dce795 (git)
Affected: 7d70a1233d11ce9286e1a04c4f1bcd263e3e405e , < 7d21587d35bc816c85a51b8686f0f7e8e676fb14 (git)
Affected: 7d70a1233d11ce9286e1a04c4f1bcd263e3e405e , < 5c855bcc730656c4b7d30aaddcd0eafc7003e112 (git)
Affected: 7d70a1233d11ce9286e1a04c4f1bcd263e3e405e , < 78a033433a5ae4fee85511ee075bc9a48312c79e (git)
guessed Create a notification for this product.
Linux Linux Affected: 5.6
Unaffected: 0 , < 5.6 (semver)
Unaffected: 5.10.237 , ≤ 5.10.* (semver)
Unaffected: 5.15.181 , ≤ 5.15.* (semver)
Unaffected: 6.1.7 , ≤ 6.1.* (semver)
Unaffected: 6.2 , ≤ * (original_commit_for_fix)
guessed Create a notification for this product.
Show details on NVD website
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      "containers": "{\"adp\": [{\"title\": \"CVE Program Container\", \"references\": [{\"url\": \"https://lists.debian.org/debian-lts-announce/2025/05/msg00030.html\"}], \"providerMetadata\": {\"orgId\": \"af854a3a-2127-422b-91ae-364da2661108\", \"shortName\": \"CVE\", \"dateUpdated\": \"2025-11-03T19:27:45.945Z\"}}, {\"title\": \"CISA ADP Vulnrichment\", \"metrics\": [{\"other\": {\"type\": \"ssvc\", \"content\": {\"id\": \"CVE-2022-48893\", \"role\": \"CISA Coordinator\", \"options\": [{\"Exploitation\": \"none\"}, {\"Automatable\": \"no\"}, {\"Technical Impact\": \"partial\"}], \"version\": \"2.0.3\", \"timestamp\": \"2024-09-10T16:04:15.684796Z\"}}}], \"providerMetadata\": {\"orgId\": \"134c704f-9b21-4f2e-91b3-4a467353bcc0\", \"shortName\": \"CISA-ADP\", \"dateUpdated\": \"2024-09-11T12:42:14.831Z\"}}], \"cna\": {\"title\": \"drm/i915/gt: Cleanup partial engine discovery failures\", \"affected\": [{\"repo\": \"https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git\", \"vendor\": \"Linux\", \"product\": \"Linux\", \"versions\": [{\"status\": \"affected\", \"version\": \"7d70a1233d11ce9286e1a04c4f1bcd263e3e405e\", \"lessThan\": \"78350c36fb15afef423404a83dcbc5c558dce795\", \"versionType\": \"git\"}, {\"status\": \"affected\", \"version\": \"7d70a1233d11ce9286e1a04c4f1bcd263e3e405e\", \"lessThan\": \"7d21587d35bc816c85a51b8686f0f7e8e676fb14\", \"versionType\": \"git\"}, {\"status\": \"affected\", \"version\": \"7d70a1233d11ce9286e1a04c4f1bcd263e3e405e\", \"lessThan\": \"5c855bcc730656c4b7d30aaddcd0eafc7003e112\", \"versionType\": \"git\"}, {\"status\": \"affected\", \"version\": \"7d70a1233d11ce9286e1a04c4f1bcd263e3e405e\", \"lessThan\": \"78a033433a5ae4fee85511ee075bc9a48312c79e\", \"versionType\": \"git\"}], \"programFiles\": [\"drivers/gpu/drm/i915/gt/intel_engine_cs.c\"], \"defaultStatus\": \"unaffected\"}, {\"repo\": \"https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git\", \"vendor\": \"Linux\", \"product\": \"Linux\", \"versions\": [{\"status\": \"affected\", \"version\": \"5.6\"}, {\"status\": \"unaffected\", \"version\": \"0\", \"lessThan\": \"5.6\", \"versionType\": \"semver\"}, {\"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\": \"6.1.7\", \"versionType\": \"semver\", \"lessThanOrEqual\": \"6.1.*\"}, {\"status\": \"unaffected\", \"version\": \"6.2\", \"versionType\": \"original_commit_for_fix\", \"lessThanOrEqual\": \"*\"}], \"programFiles\": [\"drivers/gpu/drm/i915/gt/intel_engine_cs.c\"], \"defaultStatus\": \"affected\"}], \"references\": [{\"url\": \"https://git.kernel.org/stable/c/78350c36fb15afef423404a83dcbc5c558dce795\"}, {\"url\": \"https://git.kernel.org/stable/c/7d21587d35bc816c85a51b8686f0f7e8e676fb14\"}, {\"url\": \"https://git.kernel.org/stable/c/5c855bcc730656c4b7d30aaddcd0eafc7003e112\"}, {\"url\": \"https://git.kernel.org/stable/c/78a033433a5ae4fee85511ee075bc9a48312c79e\"}], \"x_generator\": {\"engine\": \"bippy-1.2.0\"}, \"descriptions\": [{\"lang\": \"en\", \"value\": \"In the Linux kernel, the following vulnerability has been resolved:\\n\\ndrm/i915/gt: Cleanup partial engine discovery failures\\n\\nIf we abort driver initialisation in the middle of gt/engine discovery,\\nsome engines will be fully setup and some not. Those incompletely setup\\nengines only have \u0027engine-\u003erelease == NULL\u0027 and so will leak any of the\\ncommon objects allocated.\\n\\nv2:\\n - Drop the destroy_pinned_context() helper for now.  It\u0027s not really\\n   worth it with just a single callsite at the moment.  (Janusz)\"}], \"cpeApplicability\": [{\"nodes\": [{\"negate\": false, \"cpeMatch\": [{\"criteria\": \"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*\", \"vulnerable\": true, \"versionEndExcluding\": \"5.10.237\", \"versionStartIncluding\": \"5.6\"}, {\"criteria\": \"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*\", \"vulnerable\": true, \"versionEndExcluding\": \"5.15.181\", \"versionStartIncluding\": \"5.6\"}, {\"criteria\": \"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*\", \"vulnerable\": true, \"versionEndExcluding\": \"6.1.7\", \"versionStartIncluding\": \"5.6\"}, {\"criteria\": \"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*\", \"vulnerable\": true, \"versionEndExcluding\": \"6.2\", \"versionStartIncluding\": \"5.6\"}], \"operator\": \"OR\"}]}], \"providerMetadata\": {\"orgId\": \"416baaa9-dc9f-4396-8d5f-8c081fb06d67\", \"shortName\": \"Linux\", \"dateUpdated\": \"2026-05-11T18:49:13.142Z\"}}}",
      "cveMetadata": "{\"cveId\": \"CVE-2022-48893\", \"state\": \"PUBLISHED\", \"dateUpdated\": \"2026-05-11T18:49:13.142Z\", \"dateReserved\": \"2024-08-21T06:06:23.290Z\", \"assignerOrgId\": \"416baaa9-dc9f-4396-8d5f-8c081fb06d67\", \"datePublished\": \"2024-08-21T06:10:25.448Z\", \"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

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.


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.