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CVE-2022-49232 (GCVE-0-2022-49232)

Vulnerability from cvelistv5 – Published: 2025-02-26 01:55 – Updated: 2026-05-11 18:55
VLAI
Title
drm/amd/display: Fix a NULL pointer dereference in amdgpu_dm_connector_add_common_modes()
Summary
In the Linux kernel, the following vulnerability has been resolved: drm/amd/display: Fix a NULL pointer dereference in amdgpu_dm_connector_add_common_modes() In amdgpu_dm_connector_add_common_modes(), amdgpu_dm_create_common_mode() is assigned to mode and is passed to drm_mode_probed_add() directly after that. drm_mode_probed_add() passes &mode->head to list_add_tail(), and there is a dereference of it in list_add_tail() without recoveries, which could lead to NULL pointer dereference on failure of amdgpu_dm_create_common_mode(). Fix this by adding a NULL check of mode. This bug was found by a static analyzer. Builds with 'make allyesconfig' show no new warnings, and our static analyzer no longer warns about this code.
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 19:46 UTC
CWE
  • CWE-476 - NULL Pointer Dereference
Assigner
References
Impacted products
Vendor Product Version CPE status
Linux Linux Affected: e7b07ceef2a650e5ed8ca37997689e086c680daf , < 2c729dec8c1e3e2892fde5ce8181553860914e74 (git)
Affected: e7b07ceef2a650e5ed8ca37997689e086c680daf , < 57f4ad5e286fe4599c8fc63cf89f85f9eec7f9c9 (git)
Affected: e7b07ceef2a650e5ed8ca37997689e086c680daf , < 19a7eba284790cfbba2945deb2363cf03ce41648 (git)
Affected: e7b07ceef2a650e5ed8ca37997689e086c680daf , < bdc7429708a0772d90c208975694f7c2133b1202 (git)
Affected: e7b07ceef2a650e5ed8ca37997689e086c680daf , < f4eaa999fec78dec2a9c2d797438e05cbffb125b (git)
Affected: e7b07ceef2a650e5ed8ca37997689e086c680daf , < 639b3b9def0a6a3f316a195d705d14113236e89c (git)
Affected: e7b07ceef2a650e5ed8ca37997689e086c680daf , < 588a70177df3b1777484267584ef38ab2ca899a2 (git)
guessed Create a notification for this product.
Linux Linux Affected: 4.15
Unaffected: 0 , < 4.15 (semver)
Unaffected: 4.19.238 , ≤ 4.19.* (semver)
Unaffected: 5.4.189 , ≤ 5.4.* (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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Corrige esto agregando una comprobaci\u00f3n NULL de mode. Este error fue encontrado por un analizador est\u00e1tico. Las compilaciones con \u0027make allyesconfig\u0027 no muestran nuevas advertencias y nuestro analizador est\u00e1tico ya no advierte sobre este 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    "redhat_vex": {
      "aggregate_severity": "Moderate",
      "current_release_date": "2026-06-29T21:01:54+00:00",
      "cve": "CVE-2022-49232",
      "id": "CVE-2022-49232",
      "initial_release_date": "2022-01-01T00:00:00+00:00",
      "product_status:known_not_affected": "274",
      "source": "Red Hat CSAF VEX",
      "status": "final",
      "title": "kernel: drm/amd/display: Fix a NULL pointer dereference in amdgpu_dm_connector_add_common_modes()",
      "url": "https://security.access.redhat.com/data/csaf/v2/vex/2022/cve-2022-49232.json",
      "version": "3"
    },
    "suse_vex": {
      "aggregate_severity": "moderate",
      "current_release_date": "2026-09-02T02:05:26Z",
      "cve": "CVE-2022-49232",
      "id": "CVE-2022-49232",
      "initial_release_date": "2025-02-27T03:10:15Z",
      "product_status:known_affected": "406",
      "product_status:known_not_affected": "276",
      "product_status:recommended": "319",
      "source": "SUSE CSAF VEX",
      "status": "interim",
      "title": "SUSE CVE CVE-2022-49232",
      "url": "https://ftp.suse.com/pub/projects/security/csaf-vex/cve-2022-49232.json",
      "version": "56"
    },
    "vulnrichment": {
      "containers": "{\"adp\": [{\"title\": \"CISA ADP Vulnrichment\", \"metrics\": [{\"cvssV3_1\": {\"scope\": \"UNCHANGED\", \"version\": \"3.1\", \"baseScore\": 5.5, \"attackVector\": \"LOCAL\", \"baseSeverity\": \"MEDIUM\", \"vectorString\": \"CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H\", \"integrityImpact\": \"NONE\", \"userInteraction\": \"NONE\", \"attackComplexity\": \"LOW\", \"availabilityImpact\": \"HIGH\", \"privilegesRequired\": \"LOW\", \"confidentialityImpact\": \"NONE\"}}, {\"other\": {\"type\": \"ssvc\", \"content\": {\"id\": \"CVE-2022-49232\", \"role\": \"CISA Coordinator\", \"options\": [{\"Exploitation\": \"none\"}, {\"Automatable\": \"no\"}, {\"Technical Impact\": \"partial\"}], \"version\": \"2.0.3\", \"timestamp\": \"2025-10-01T19:46:07.786921Z\"}}}], \"problemTypes\": [{\"descriptions\": [{\"lang\": \"en\", \"type\": \"CWE\", \"cweId\": \"CWE-476\", \"description\": \"CWE-476 NULL Pointer Dereference\"}]}], \"providerMetadata\": {\"orgId\": 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\"lessThan\": \"bdc7429708a0772d90c208975694f7c2133b1202\", \"versionType\": \"git\"}, {\"status\": \"affected\", \"version\": \"e7b07ceef2a650e5ed8ca37997689e086c680daf\", \"lessThan\": \"f4eaa999fec78dec2a9c2d797438e05cbffb125b\", \"versionType\": \"git\"}, {\"status\": \"affected\", \"version\": \"e7b07ceef2a650e5ed8ca37997689e086c680daf\", \"lessThan\": \"639b3b9def0a6a3f316a195d705d14113236e89c\", \"versionType\": \"git\"}, {\"status\": \"affected\", \"version\": \"e7b07ceef2a650e5ed8ca37997689e086c680daf\", \"lessThan\": \"588a70177df3b1777484267584ef38ab2ca899a2\", \"versionType\": \"git\"}], \"programFiles\": [\"drivers/gpu/drm/amd/display/amdgpu_dm/amdgpu_dm.c\"], \"defaultStatus\": \"unaffected\"}, {\"repo\": \"https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git\", \"vendor\": \"Linux\", \"product\": \"Linux\", \"versions\": [{\"status\": \"affected\", \"version\": \"4.15\"}, {\"status\": \"unaffected\", \"version\": \"0\", \"lessThan\": \"4.15\", \"versionType\": \"semver\"}, {\"status\": \"unaffected\", \"version\": \"4.19.238\", \"versionType\": \"semver\", \"lessThanOrEqual\": \"4.19.*\"}, {\"status\": \"unaffected\", \"version\": \"5.4.189\", \"versionType\": \"semver\", \"lessThanOrEqual\": \"5.4.*\"}, {\"status\": \"unaffected\", \"version\": \"5.10.110\", \"versionType\": \"semver\", \"lessThanOrEqual\": \"5.10.*\"}, {\"status\": \"unaffected\", \"version\": \"5.15.33\", \"versionType\": \"semver\", \"lessThanOrEqual\": \"5.15.*\"}, {\"status\": \"unaffected\", \"version\": \"5.16.19\", \"versionType\": \"semver\", \"lessThanOrEqual\": \"5.16.*\"}, {\"status\": \"unaffected\", \"version\": \"5.17.2\", \"versionType\": \"semver\", \"lessThanOrEqual\": \"5.17.*\"}, {\"status\": \"unaffected\", \"version\": \"5.18\", \"versionType\": \"original_commit_for_fix\", \"lessThanOrEqual\": \"*\"}], \"programFiles\": [\"drivers/gpu/drm/amd/display/amdgpu_dm/amdgpu_dm.c\"], \"defaultStatus\": \"affected\"}], \"references\": [{\"url\": \"https://git.kernel.org/stable/c/2c729dec8c1e3e2892fde5ce8181553860914e74\"}, {\"url\": \"https://git.kernel.org/stable/c/57f4ad5e286fe4599c8fc63cf89f85f9eec7f9c9\"}, {\"url\": \"https://git.kernel.org/stable/c/19a7eba284790cfbba2945deb2363cf03ce41648\"}, {\"url\": \"https://git.kernel.org/stable/c/bdc7429708a0772d90c208975694f7c2133b1202\"}, {\"url\": \"https://git.kernel.org/stable/c/f4eaa999fec78dec2a9c2d797438e05cbffb125b\"}, {\"url\": \"https://git.kernel.org/stable/c/639b3b9def0a6a3f316a195d705d14113236e89c\"}, {\"url\": \"https://git.kernel.org/stable/c/588a70177df3b1777484267584ef38ab2ca899a2\"}], \"x_generator\": {\"engine\": \"bippy-1.2.0\"}, \"descriptions\": [{\"lang\": \"en\", \"value\": \"In the Linux kernel, the following vulnerability has been resolved:\\n\\ndrm/amd/display: Fix a NULL pointer dereference in amdgpu_dm_connector_add_common_modes()\\n\\nIn amdgpu_dm_connector_add_common_modes(), amdgpu_dm_create_common_mode()\\nis assigned to mode and is passed to drm_mode_probed_add() directly after\\nthat. drm_mode_probed_add() passes \u0026mode-\u003ehead to list_add_tail(), and\\nthere is a dereference of it in list_add_tail() without recoveries, which\\ncould lead to NULL pointer dereference on failure of\\namdgpu_dm_create_common_mode().\\n\\nFix this by adding a NULL check of mode.\\n\\nThis bug was found by a static analyzer.\\n\\nBuilds with \u0027make allyesconfig\u0027 show no new warnings,\\nand our static analyzer no longer warns about this code.\"}], \"cpeApplicability\": [{\"nodes\": [{\"negate\": false, \"cpeMatch\": [{\"criteria\": \"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*\", \"vulnerable\": true, \"versionEndExcluding\": \"4.19.238\", \"versionStartIncluding\": \"4.15\"}, {\"criteria\": \"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*\", \"vulnerable\": true, \"versionEndExcluding\": \"5.4.189\", \"versionStartIncluding\": \"4.15\"}, {\"criteria\": \"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*\", \"vulnerable\": true, \"versionEndExcluding\": \"5.10.110\", \"versionStartIncluding\": \"4.15\"}, {\"criteria\": \"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*\", \"vulnerable\": true, \"versionEndExcluding\": \"5.15.33\", \"versionStartIncluding\": \"4.15\"}, {\"criteria\": \"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*\", \"vulnerable\": true, \"versionEndExcluding\": \"5.16.19\", \"versionStartIncluding\": \"4.15\"}, {\"criteria\": \"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*\", \"vulnerable\": true, \"versionEndExcluding\": \"5.17.2\", \"versionStartIncluding\": \"4.15\"}, {\"criteria\": \"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*\", \"vulnerable\": true, \"versionEndExcluding\": \"5.18\", \"versionStartIncluding\": \"4.15\"}], \"operator\": \"OR\"}]}], \"providerMetadata\": {\"orgId\": \"416baaa9-dc9f-4396-8d5f-8c081fb06d67\", \"shortName\": \"Linux\", \"dateUpdated\": \"2026-05-11T18:55:42.194Z\"}}}",
      "cveMetadata": "{\"cveId\": \"CVE-2022-49232\", \"state\": \"PUBLISHED\", \"dateUpdated\": \"2026-05-11T18:55:42.194Z\", \"dateReserved\": \"2025-02-26T01:49:39.293Z\", \"assignerOrgId\": \"416baaa9-dc9f-4396-8d5f-8c081fb06d67\", \"datePublished\": \"2025-02-26T01:55:58.618Z\", \"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.