{"resultsPerPage":1,"startIndex":0,"totalResults":1,"format":"NVD_CVE","version":"2.0","timestamp":"2026-04-23T00:26:17.568","vulnerabilities":[{"cve":{"id":"CVE-2023-53480","sourceIdentifier":"416baaa9-dc9f-4396-8d5f-8c081fb06d67","published":"2025-10-01T12:15:50.600","lastModified":"2026-01-23T02:08:10.390","vulnStatus":"Analyzed","cveTags":[],"descriptions":[{"lang":"en","value":"In the Linux kernel, the following vulnerability has been resolved:\n\nkobject: Add sanity check for kset->kobj.ktype in kset_register()\n\nWhen I register a kset in the following way:\n\tstatic struct kset my_kset;\n\tkobject_set_name(&my_kset.kobj, \"my_kset\");\n        ret = kset_register(&my_kset);\n\nA null pointer dereference exception is occurred:\n[ 4453.568337] Unable to handle kernel NULL pointer dereference at \\\nvirtual address 0000000000000028\n... ...\n[ 4453.810361] Call trace:\n[ 4453.813062]  kobject_get_ownership+0xc/0x34\n[ 4453.817493]  kobject_add_internal+0x98/0x274\n[ 4453.822005]  kset_register+0x5c/0xb4\n[ 4453.825820]  my_kobj_init+0x44/0x1000 [my_kset]\n... ...\n\nBecause I didn't initialize my_kset.kobj.ktype.\n\nAccording to the description in Documentation/core-api/kobject.rst:\n - A ktype is the type of object that embeds a kobject.  Every structure\n   that embeds a kobject needs a corresponding ktype.\n\nSo add sanity check to make sure kset->kobj.ktype is not NULL."}],"metrics":{"cvssMetricV31":[{"source":"nvd@nist.gov","type":"Primary","cvssData":{"version":"3.1","vectorString":"CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H","baseScore":5.5,"baseSeverity":"MEDIUM","attackVector":"LOCAL","attackComplexity":"LOW","privilegesRequired":"LOW","userInteraction":"NONE","scope":"UNCHANGED","confidentialityImpact":"NONE","integrityImpact":"NONE","availabilityImpact":"HIGH"},"exploitabilityScore":1.8,"impactScore":3.6}]},"weaknesses":[{"source":"nvd@nist.gov","type":"Primary","description":[{"lang":"en","value":"CWE-476"}]}],"configurations":[{"nodes":[{"operator":"OR","negate":false,"cpeMatch":[{"vulnerable":true,"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionStartIncluding":"4.19","versionEndExcluding":"4.19.295","matchCriteriaId":"BC2C962D-AE94-4DD3-830F-8F1275371161"},{"vulnerable":true,"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionStartIncluding":"4.20","versionEndExcluding":"5.4.257","matchCriteriaId":"834BD148-28EC-43A4-A4F5-458124A1E39F"},{"vulnerable":true,"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionStartIncluding":"5.5","versionEndExcluding":"5.10.197","matchCriteriaId":"FD17EA9A-DF74-4876-AADC-C204F0716961"},{"vulnerable":true,"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionStartIncluding":"5.11","versionEndExcluding":"5.15.133","matchCriteriaId":"21236FF3-9B2C-4C1A-8780-BC5BCA44AA51"},{"vulnerable":true,"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionStartIncluding":"5.16","versionEndExcluding":"6.1.55","matchCriteriaId":"0EFCF8E8-5528-46B9-8C17-B09792899CE0"},{"vulnerable":true,"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionStartIncluding":"6.2","versionEndExcluding":"6.5.5","matchCriteriaId":"8CF71E85-DA24-4925-95C5-E5C15DA71AE6"}]}]}],"references":[{"url":"https://git.kernel.org/stable/c/039ec9db2d30032eafa365f5f89b30eca5322b05","source":"416baaa9-dc9f-4396-8d5f-8c081fb06d67","tags":["Patch"]},{"url":"https://git.kernel.org/stable/c/1a772881bc059c596d8ca587cbd2a233edce3d3b","source":"416baaa9-dc9f-4396-8d5f-8c081fb06d67","tags":["Patch"]},{"url":"https://git.kernel.org/stable/c/48aebbe801e78a8932404c122ed0e880ccedc220","source":"416baaa9-dc9f-4396-8d5f-8c081fb06d67","tags":["Patch"]},{"url":"https://git.kernel.org/stable/c/4d0fe8c52bb3029d83e323c961221156ab98680b","source":"416baaa9-dc9f-4396-8d5f-8c081fb06d67","tags":["Patch"]},{"url":"https://git.kernel.org/stable/c/5df5829158513134ddcaf2184d9286eda7b0bb18","source":"416baaa9-dc9f-4396-8d5f-8c081fb06d67","tags":["Patch"]},{"url":"https://git.kernel.org/stable/c/964e025ceefdf75da46b0133d0c2790de451aeec","source":"416baaa9-dc9f-4396-8d5f-8c081fb06d67","tags":["Patch"]},{"url":"https://git.kernel.org/stable/c/f3f6bf22a4f5ba649cf26ae4670de5c7f861bdef","source":"416baaa9-dc9f-4396-8d5f-8c081fb06d67","tags":["Patch"]}]}}]}