CVE-2022-49491 (GCVE-0-2022-49491)

Vulnerability from cvelistv5 – Published: 2025-02-26 02:13 – Updated: 2026-05-11 19:00
VLAI
Title
drm/rockchip: vop: fix possible null-ptr-deref in vop_bind()
Summary
In the Linux kernel, the following vulnerability has been resolved: drm/rockchip: vop: fix possible null-ptr-deref in vop_bind() It will cause null-ptr-deref in resource_size(), if platform_get_resource() returns NULL, move calling resource_size() after devm_ioremap_resource() that will check 'res' to avoid null-ptr-deref.
Severity
5.5 (Medium)
CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H
CWE
  • CWE-476 - NULL Pointer Dereference
Assigner
References
Impacted products
Vendor Product Version
Linux Linux Affected: 2048e3286f347db5667708e47448176b5329e8d8 , < 452922955df215a417c80d09dab72bbc667a1861 (git)
Affected: 2048e3286f347db5667708e47448176b5329e8d8 , < fcd6a886443730c39170b8383411e52118aec0a3 (git)
Affected: 2048e3286f347db5667708e47448176b5329e8d8 , < 6ff986e057bf28e2f7690dad410768b2270f9453 (git)
Affected: 2048e3286f347db5667708e47448176b5329e8d8 , < a9b4599665e437de8a1152799c34841b799a2e1c (git)
Affected: 2048e3286f347db5667708e47448176b5329e8d8 , < 3451852312303d54a003c73bd0ae39cebb960bd5 (git)
Affected: 2048e3286f347db5667708e47448176b5329e8d8 , < b54926bd558d97c888c3d2d87886f3c159d3254a (git)
Affected: 2048e3286f347db5667708e47448176b5329e8d8 , < 769c53bb6116d0eaec0f1fe4ec4b27a74465cad1 (git)
Affected: 2048e3286f347db5667708e47448176b5329e8d8 , < ecfa52654d0c9c333c1fe1611f47105f6bce9591 (git)
Affected: 2048e3286f347db5667708e47448176b5329e8d8 , < f8c242908ad15bbd604d3bcb54961b7d454c43f8 (git)
Create a notification for this product.
Linux Linux Affected: 3.19
Unaffected: 0 , < 3.19 (semver)
Unaffected: 4.9.318 , ≤ 4.9.* (semver)
Unaffected: 4.14.283 , ≤ 4.14.* (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)
Create a notification for this product.
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\"a9b4599665e437de8a1152799c34841b799a2e1c\", \"versionType\": \"git\"}, {\"status\": \"affected\", \"version\": \"2048e3286f347db5667708e47448176b5329e8d8\", \"lessThan\": \"3451852312303d54a003c73bd0ae39cebb960bd5\", \"versionType\": \"git\"}, {\"status\": \"affected\", \"version\": \"2048e3286f347db5667708e47448176b5329e8d8\", \"lessThan\": \"b54926bd558d97c888c3d2d87886f3c159d3254a\", \"versionType\": \"git\"}, {\"status\": \"affected\", \"version\": \"2048e3286f347db5667708e47448176b5329e8d8\", \"lessThan\": \"769c53bb6116d0eaec0f1fe4ec4b27a74465cad1\", \"versionType\": \"git\"}, {\"status\": \"affected\", \"version\": \"2048e3286f347db5667708e47448176b5329e8d8\", \"lessThan\": \"ecfa52654d0c9c333c1fe1611f47105f6bce9591\", \"versionType\": \"git\"}, {\"status\": \"affected\", \"version\": \"2048e3286f347db5667708e47448176b5329e8d8\", \"lessThan\": \"f8c242908ad15bbd604d3bcb54961b7d454c43f8\", \"versionType\": \"git\"}], \"programFiles\": [\"drivers/gpu/drm/rockchip/rockchip_drm_vop.c\"], \"defaultStatus\": \"unaffected\"}, {\"repo\": \"https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git\", \"vendor\": \"Linux\", \"product\": \"Linux\", \"versions\": [{\"status\": \"affected\", \"version\": \"3.19\"}, {\"status\": \"unaffected\", \"version\": \"0\", \"lessThan\": \"3.19\", \"versionType\": \"semver\"}, {\"status\": \"unaffected\", \"version\": \"4.9.318\", \"versionType\": \"semver\", \"lessThanOrEqual\": \"4.9.*\"}, {\"status\": \"unaffected\", \"version\": \"4.14.283\", \"versionType\": \"semver\", \"lessThanOrEqual\": \"4.14.*\"}, {\"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/gpu/drm/rockchip/rockchip_drm_vop.c\"], \"defaultStatus\": \"affected\"}], \"references\": [{\"url\": \"https://git.kernel.org/stable/c/452922955df215a417c80d09dab72bbc667a1861\"}, {\"url\": \"https://git.kernel.org/stable/c/fcd6a886443730c39170b8383411e52118aec0a3\"}, {\"url\": \"https://git.kernel.org/stable/c/6ff986e057bf28e2f7690dad410768b2270f9453\"}, {\"url\": \"https://git.kernel.org/stable/c/a9b4599665e437de8a1152799c34841b799a2e1c\"}, {\"url\": \"https://git.kernel.org/stable/c/3451852312303d54a003c73bd0ae39cebb960bd5\"}, {\"url\": \"https://git.kernel.org/stable/c/b54926bd558d97c888c3d2d87886f3c159d3254a\"}, {\"url\": \"https://git.kernel.org/stable/c/769c53bb6116d0eaec0f1fe4ec4b27a74465cad1\"}, {\"url\": \"https://git.kernel.org/stable/c/ecfa52654d0c9c333c1fe1611f47105f6bce9591\"}, {\"url\": \"https://git.kernel.org/stable/c/f8c242908ad15bbd604d3bcb54961b7d454c43f8\"}], \"x_generator\": {\"engine\": \"bippy-1.2.0\"}, \"descriptions\": [{\"lang\": \"en\", \"value\": \"In the Linux kernel, the following vulnerability has been resolved:\\n\\ndrm/rockchip: vop: fix possible null-ptr-deref in vop_bind()\\n\\nIt will cause null-ptr-deref in resource_size(), if platform_get_resource()\\nreturns NULL, move calling resource_size() after devm_ioremap_resource() that\\nwill check \u0027res\u0027 to avoid null-ptr-deref.\"}], \"cpeApplicability\": [{\"nodes\": [{\"negate\": false, \"cpeMatch\": [{\"criteria\": \"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*\", \"vulnerable\": true, \"versionEndExcluding\": \"4.9.318\", \"versionStartIncluding\": \"3.19\"}, {\"criteria\": \"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*\", \"vulnerable\": true, \"versionEndExcluding\": \"4.14.283\", \"versionStartIncluding\": \"3.19\"}, {\"criteria\": \"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*\", \"vulnerable\": true, \"versionEndExcluding\": \"4.19.247\", \"versionStartIncluding\": \"3.19\"}, {\"criteria\": \"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*\", \"vulnerable\": true, \"versionEndExcluding\": \"5.4.198\", \"versionStartIncluding\": \"3.19\"}, {\"criteria\": \"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*\", \"vulnerable\": true, \"versionEndExcluding\": \"5.10.121\", \"versionStartIncluding\": \"3.19\"}, {\"criteria\": \"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*\", \"vulnerable\": true, \"versionEndExcluding\": \"5.15.46\", \"versionStartIncluding\": \"3.19\"}, {\"criteria\": \"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*\", \"vulnerable\": true, \"versionEndExcluding\": \"5.17.14\", \"versionStartIncluding\": \"3.19\"}, {\"criteria\": \"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*\", \"vulnerable\": true, \"versionEndExcluding\": \"5.18.3\", \"versionStartIncluding\": \"3.19\"}, {\"criteria\": \"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*\", \"vulnerable\": true, \"versionEndExcluding\": \"5.19\", \"versionStartIncluding\": \"3.19\"}], \"operator\": \"OR\"}]}], \"providerMetadata\": {\"orgId\": \"416baaa9-dc9f-4396-8d5f-8c081fb06d67\", \"shortName\": \"Linux\", \"dateUpdated\": \"2026-05-11T19:00:55.810Z\"}}}",
      "cveMetadata": "{\"cveId\": \"CVE-2022-49491\", \"state\": \"PUBLISHED\", \"dateUpdated\": \"2026-05-11T19:00:55.810Z\", \"dateReserved\": \"2025-02-26T02:08:31.585Z\", \"assignerOrgId\": \"416baaa9-dc9f-4396-8d5f-8c081fb06d67\", \"datePublished\": \"2025-02-26T02:13:28.158Z\", \"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.