{"id":"CVE-2022-49491","state":"PUBLISHED","title":"drm/rockchip: vop: fix possible null-ptr-deref in vop_bind()","description":"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 'res' to avoid null-ptr-deref.","publishedAt":"2025-02-26T02:13:28.158Z","updatedAt":"2026-05-11T19:00:55.810Z","severity":{"score":5.5,"label":"Medium","version":"3.1","vector":"CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H","source":"CISA-ADP"},"assigner":"Linux","products":["Linux 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vop: fix possible null-ptr-deref in vop_bind()","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 'res' to avoid null-ptr-deref."}],"affected":[{"vendor":"Linux","product":"Linux","defaultStatus":"unaffected","versions":[{"version":"2048e3286f347db5667708e47448176b5329e8d8","status":"affected","lessThan":"452922955df215a417c80d09dab72bbc667a1861","versionType":"git"},{"version":"2048e3286f347db5667708e47448176b5329e8d8","status":"affected","lessThan":"fcd6a886443730c39170b8383411e52118aec0a3","versionType":"git"},{"version":"2048e3286f347db5667708e47448176b5329e8d8","status":"affected","lessThan":"6ff986e057bf28e2f7690dad410768b2270f9453","versionType":"git"},{"version":"2048e3286f347db5667708e47448176b5329e8d8","status":"affected","lessThan":"a9b4599665e437de8a1152799c34841b799a2e1c","versionType":"git"},{"version":"2048e3286f347db5667708e47448176b5329e8d8","status":"affected","lessThan":"3451852312303d54a003c73bd0ae39cebb960bd5","versionType":"git"},{"version":"2048e3286f347db5667708e47448176b5329e8d8","status":"affected","lessThan":"b54926bd558d97c888c3d2d87886f3c159d3254a","versionType":"git"},{"version":"2048e3286f347db5667708e47448176b5329e8d8","status":"affected","lessThan":"769c53bb6116d0eaec0f1fe4ec4b27a74465cad1","versionType":"git"},{"version":"2048e3286f347db5667708e47448176b5329e8d8","status":"affected","lessThan":"ecfa52654d0c9c333c1fe1611f47105f6bce9591","versionType":"git"},{"version":"2048e3286f347db5667708e47448176b5329e8d8","status":"affected","lessThan":"f8c242908ad15bbd604d3bcb54961b7d454c43f8","versionType":"git"}],"repo":"https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git","programFiles":["drivers/gpu/drm/rockchip/rockchip_drm_vop.c"]},{"vendor":"Linux","product":"Linux","defaultStatus":"affected","versions":[{"version":"3.19","status":"affected"},{"version":"0","status":"unaffected","lessThan":"3.19","versionType":"semver"},{"version":"4.9.318","status":"unaffected","lessThanOrEqual":"4.9.*","versionType":"semver"},{"version":"4.14.283","status":"unaffected","lessThanOrEqual":"4.14.*","versionType":"semver"},{"version":"4.19.247","status":"unaffected","lessThanOrEqual":"4.19.*","versionType":"semver"},{"version":"5.4.198","status":"unaffected","lessThanOrEqual":"5.4.*","versionType":"semver"},{"version":"5.10.121","status":"unaffected","lessThanOrEqual":"5.10.*","versionType":"semver"},{"version":"5.15.46","status":"unaffected","lessThanOrEqual":"5.15.*","versionType":"semver"},{"version":"5.17.14","status":"unaffected","lessThanOrEqual":"5.17.*","versionType":"semver"},{"version":"5.18.3","status":"unaffected","lessThanOrEqual":"5.18.*","versionType":"semver"},{"version":"5.19","status":"unaffected","lessThanOrEqual":"*","versionType":"original_commit_for_fix"}],"repo":"https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git","programFiles":["drivers/gpu/drm/rockchip/rockchip_drm_vop.c"]}],"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"}],"providerMetadata":{"shortName":"Linux","orgId":"416baaa9-dc9f-4396-8d5f-8c081fb06d67","dateUpdated":"2026-05-11T19:00:55.810Z"},"cpeApplicability":[{"nodes":[{"operator":"OR","negate":false,"cpeMatch":[{"vulnerable":true,"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionStartIncluding":"3.19","versionEndExcluding":"4.9.318"},{"vulnerable":true,"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionStartIncluding":"3.19","versionEndExcluding":"4.14.283"},{"vulnerable":true,"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionStartIncluding":"3.19","versionEndExcluding":"4.19.247"},{"vulnerable":true,"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionStartIncluding":"3.19","versionEndExcluding":"5.4.198"},{"vulnerable":true,"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionStartIncluding":"3.19","versionEndExcluding":"5.10.121"},{"vulnerable":true,"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionStartIncluding":"3.19","versionEndExcluding":"5.15.46"},{"vulnerable":true,"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionStartIncluding":"3.19","versionEndExcluding":"5.17.14"},{"vulnerable":true,"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionStartIncluding":"3.19","versionEndExcluding":"5.18.3"},{"vulnerable":true,"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionStartIncluding":"3.19","versionEndExcluding"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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-2022-49491","role":"CISA Coordinator","options":[{"Exploitation":"none"},{"Automatable":"no"},{"Technical Impact":"partial"}],"version":"2.0.3","timestamp":"2025-10-01T19:38:59.630683Z"}}}],"problemTypes":[{"descriptions":[{"cweId":"CWE-476","lang":"en","type":"CWE","description":"CWE-476 NULL Pointer Dereference"}]}],"providerMetadata":{"shortName":"CISA-ADP","orgId":"134c704f-9b21-4f2e-91b3-4a467353bcc0","dateUpdated":"2025-10-01T19:46:44.134Z"}}]}}}