{"id":"CVE-2022-50364","state":"PUBLISHED","title":"i2c: mux: reg: check return value after calling platform_get_resource()","description":"In the Linux kernel, the following vulnerability has been resolved:\n\ni2c: mux: reg: check return value after calling platform_get_resource()\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.\nAnd use devm_platform_get_and_ioremap_resource() to simplify code.","publishedAt":"2025-09-17T14:56:15.753Z","updatedAt":"2026-05-11T19:18:07.762Z","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 Linux"],"affected":[{"vendor":"Linux","product":"Linux","defaultStatus":"unaffected","versions":[{"version":"b3fdd32799d834e2626fae087906e886037350c6","status":"affected","lessThan":"61df25c41b8e0d2c988ccf17139f70075a2e1ba4","versionType":"git"},{"version":"b3fdd32799d834e2626fae087906e886037350c6","status":"affected","lessThan":"8212800943997fab61874550278d653cb378c60c","versionType":"git"},{"version":"b3fdd32799d834e2626fae087906e886037350c6","status":"affected","lessThan":"f5049b3ad9446203b916ee375f30fa217735f63a","versionType":"git"},{"version":"b3fdd32799d834e2626fae087906e886037350c6","status":"affected","lessThan":"f7a440c89b6d460154efeb058272760e41bdfea8","versionType":"git"},{"version":"b3fdd32799d834e2626fae087906e886037350c6","status":"affected","lessThan":"2d47b79d2bd39cc6369eccf94a06568d84c906ae","versionType":"git"}],"repo":"https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git","programFiles":["drivers/i2c/muxes/i2c-mux-reg.c"]},{"vendor":"Linux","product":"Linux","defaultStatus":"affected","versions":[{"version":"4.3","status":"affected"},{"version":"0","status":"unaffected","lessThan":"4.3","versionType":"semver"},{"version":"5.10.163","status":"unaffected","lessThanOrEqual":"5.10.*","versionType":"semver"},{"version":"5.15.86","status":"unaffected","lessThanOrEqual":"5.15.*","versionType":"semver"},{"version":"6.0.16","status":"unaffected","lessThanOrEqual":"6.0.*","versionType":"semver"},{"version":"6.1.2","status":"unaffected","lessThanOrEqual":"6.1.*","versionType":"semver"},{"version":"6.2","status":"unaffected","lessThanOrEqual":"*","versionType":"original_commit_for_fix"}],"repo":"https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git","programFiles":["drivers/i2c/muxes/i2c-mux-reg.c"]}],"references":["https://git.kernel.org/stable/c/61df25c41b8e0d2c988ccf17139f70075a2e1ba4","https://git.kernel.org/stable/c/8212800943997fab61874550278d653cb378c60c","https://git.kernel.org/stable/c/f5049b3ad9446203b916ee375f30fa217735f63a","https://git.kernel.org/stable/c/f7a440c89b6d460154efeb058272760e41bdfea8","https://git.kernel.org/stable/c/2d47b79d2bd39cc6369eccf94a06568d84c906ae"],"weaknesses":["CWE-476"],"ingestedAt":"2026-10-29T20:05:26.763Z","source":{"repository":"CVEProject/cvelistV5","path":"cves/2022/50xxx/CVE-2022-50364.json","commit":"556c9d3a8cd17e218bb8e452ba7cd619a384ff47"},"raw":{"dataType":"CVE_RECORD","dataVersion":"5.2","cveMetadata":{"cveId":"CVE-2022-50364","state":"PUBLISHED","datePublished":"2025-09-17T14:56:15.753Z","dateUpdated":"2026-05-11T19:18:07.762Z","assignerShortName":"Linux","assignerOrgId":"416baaa9-dc9f-4396-8d5f-8c081fb06d67","dateReserved":"2025-09-17T14:53:06.994Z"},"containers":{"cna":{"title":"i2c: mux: reg: check return value after calling platform_get_resource()","descriptions":[{"lang":"en","value":"In the Linux kernel, the following vulnerability has been resolved:\n\ni2c: mux: reg: check return value after calling platform_get_resource()\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.\nAnd use devm_platform_get_and_ioremap_resource() to simplify code."}],"affected":[{"vendor":"Linux","product":"Linux","defaultStatus":"unaffected","versions":[{"version":"b3fdd32799d834e2626fae087906e886037350c6","status":"affected","lessThan":"61df25c41b8e0d2c988ccf17139f70075a2e1ba4","versionType":"git"},{"version":"b3fdd32799d834e2626fae087906e886037350c6","status":"affected","lessThan":"8212800943997fab61874550278d653cb378c60c","versionType":"git"},{"version":"b3fdd32799d834e2626fae087906e886037350c6","status":"affected","lessThan":"f5049b3ad9446203b916ee375f30fa217735f63a","versionType":"git"},{"version":"b3fdd32799d834e2626fae087906e886037350c6","status":"affected","lessThan":"f7a440c89b6d460154efeb058272760e41bdfea8","versionType":"git"},{"version":"b3fdd32799d834e2626fae087906e886037350c6","status":"affected","lessThan":"2d47b79d2bd39cc6369eccf94a06568d84c906ae","versionType":"git"}],"repo":"https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git","programFiles":["drivers/i2c/muxes/i2c-mux-reg.c"]},{"vendor":"Linux","product":"Linux","defaultStatus":"affected","versions":[{"version":"4.3","status":"affected"},{"version":"0","status":"unaffected","lessThan":"4.3","versionType":"semver"},{"version":"5.10.163","status":"unaffected","lessThanOrEqual":"5.10.*","versionType":"semver"},{"version":"5.15.86","status":"unaffected","lessThanOrEqual":"5.15.*","versionType":"semver"},{"version":"6.0.16","status":"unaffected","lessThanOrEqual":"6.0.*","versionType":"semver"},{"version":"6.1.2","status":"unaffected","lessThanOrEqual":"6.1.*","versionType":"semver"},{"version":"6.2","status":"unaffected","lessThanOrEqual":"*","versionType":"original_commit_for_fix"}],"repo":"https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git","programFiles":["drivers/i2c/muxes/i2c-mux-reg.c"]}],"references":[{"url":"https://git.kernel.org/stable/c/61df25c41b8e0d2c988ccf17139f70075a2e1ba4"},{"url":"https://git.kernel.org/stable/c/8212800943997fab61874550278d653cb378c60c"},{"url":"https://git.kernel.org/stable/c/f5049b3ad9446203b916ee375f30fa217735f63a"},{"url":"https://git.kernel.org/stable/c/f7a440c89b6d460154efeb058272760e41bdfea8"},{"url":"https://git.kernel.org/stable/c/2d47b79d2bd39cc6369eccf94a06568d84c906ae"}],"providerMetadata":{"shortName":"Linux","orgId":"416baaa9-dc9f-4396-8d5f-8c081fb06d67","dateUpdated":"2026-05-11T19:18:07.762Z"},"cpeApplicability":[{"nodes":[{"operator":"OR","negate":false,"cpeMatch":[{"vulnerable":true,"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionStartIncluding":"4.3","versionEndExcluding":"5.10.163"},{"vulnerable":true,"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionStartIncluding":"4.3","versionEndExcluding":"5.15.86"},{"vulnerable":true,"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionStartIncluding":"4.3","versionEndExcluding":"6.0.16"},{"vulnerable":true,"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionStartIncluding":"4.3","versionEndExcluding":"6.1.2"},{"vulnerable":true,"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionStartIncluding":"4.3","versionEndExcluding":"6.2"}]}]}],"x_generator":{"engine":"bippy-1.2.0"}},"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-2022-50364","role":"CISA Coordinator","options":[{"Exploitation":"none"},{"Automatable":"no"},{"Technical Impact":"partial"}],"version":"2.0.3","timestamp":"2026-01-14T18:34:19.727161Z"}}}],"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":"2026-01-14T18:42:58.769Z"}}]}}}