{"id":"CVE-2022-49449","state":"PUBLISHED","title":"pinctrl: renesas: rzn1: Fix possible null-ptr-deref in sh_pfc_map_resources()","description":"In the Linux kernel, the following vulnerability has been resolved:\n\npinctrl: renesas: rzn1: Fix possible null-ptr-deref in sh_pfc_map_resources()\n\nIt will cause null-ptr-deref when using 'res', if platform_get_resource()\nreturns NULL, so move using 'res' after devm_ioremap_resource() that\nwill check it to avoid null-ptr-deref.\nAnd use devm_platform_get_and_ioremap_resource() to simplify code.","publishedAt":"2025-02-26T02:12:59.709Z","updatedAt":"2026-05-11T19:00:05.387Z","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":"4e53b5004745ef26a37bca4933b2d3ea71313f2a","status":"affected","lessThan":"b646e0cfeb38bf5f1944fd548f1dfa9b129fa00c","versionType":"git"},{"version":"4e53b5004745ef26a37bca4933b2d3ea71313f2a","status":"affected","lessThan":"c16b59d445135c8026a04e388d8b2762feaa3b3b","versionType":"git"},{"version":"4e53b5004745ef26a37bca4933b2d3ea71313f2a","status":"affected","lessThan":"34c719b8fdfbd0c7c54cae56e6b0f16e9f8bf03e","versionType":"git"},{"version":"4e53b5004745ef26a37bca4933b2d3ea71313f2a","status":"affected","lessThan":"01f9e02e0f13df3fd291676dc80054e977be1601","versionType":"git"},{"version":"4e53b5004745ef26a37bca4933b2d3ea71313f2a","status":"affected","lessThan":"2f661477c2bb8068194dbba9738d05219f111c6e","versionType":"git"}],"repo":"https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git","programFiles":["drivers/pinctrl/renesas/pinctrl-rzn1.c"]},{"vendor":"Linux","product":"Linux","defaultStatus":"affected","versions":[{"version":"4.20","status":"affected"},{"version":"0","status":"unaffected","lessThan":"4.20","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/pinctrl/renesas/pinctrl-rzn1.c"]}],"references":["https://git.kernel.org/stable/c/b646e0cfeb38bf5f1944fd548f1dfa9b129fa00c","https://git.kernel.org/stable/c/c16b59d445135c8026a04e388d8b2762feaa3b3b","https://git.kernel.org/stable/c/34c719b8fdfbd0c7c54cae56e6b0f16e9f8bf03e","https://git.kernel.org/stable/c/01f9e02e0f13df3fd291676dc80054e977be1601","https://git.kernel.org/stable/c/2f661477c2bb8068194dbba9738d05219f111c6e"],"weaknesses":["CWE-476"],"ingestedAt":"2026-10-29T20:05:26.763Z","source":{"repository":"CVEProject/cvelistV5","path":"cves/2022/49xxx/CVE-2022-49449.json","commit":"556c9d3a8cd17e218bb8e452ba7cd619a384ff47"},"raw":{"dataType":"CVE_RECORD","dataVersion":"5.2","cveMetadata":{"cveId":"CVE-2022-49449","state":"PUBLISHED","datePublished":"2025-02-26T02:12:59.709Z","dateUpdated":"2026-05-11T19:00:05.387Z","assignerShortName":"Linux","assignerOrgId":"416baaa9-dc9f-4396-8d5f-8c081fb06d67","dateReserved":"2025-02-26T02:08:31.572Z"},"containers":{"cna":{"title":"pinctrl: renesas: rzn1: Fix possible null-ptr-deref in sh_pfc_map_resources()","descriptions":[{"lang":"en","value":"In the Linux kernel, the following vulnerability has been resolved:\n\npinctrl: renesas: rzn1: Fix possible null-ptr-deref in sh_pfc_map_resources()\n\nIt will cause null-ptr-deref when using 'res', if platform_get_resource()\nreturns NULL, so move using 'res' after devm_ioremap_resource() that\nwill check it 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":"4e53b5004745ef26a37bca4933b2d3ea71313f2a","status":"affected","lessThan":"b646e0cfeb38bf5f1944fd548f1dfa9b129fa00c","versionType":"git"},{"version":"4e53b5004745ef26a37bca4933b2d3ea71313f2a","status":"affected","lessThan":"c16b59d445135c8026a04e388d8b2762feaa3b3b","versionType":"git"},{"version":"4e53b5004745ef26a37bca4933b2d3ea71313f2a","status":"affected","lessThan":"34c719b8fdfbd0c7c54cae56e6b0f16e9f8bf03e","versionType":"git"},{"version":"4e53b5004745ef26a37bca4933b2d3ea71313f2a","status":"affected","lessThan":"01f9e02e0f13df3fd291676dc80054e977be1601","versionType":"git"},{"version":"4e53b5004745ef26a37bca4933b2d3ea71313f2a","status":"affected","lessThan":"2f661477c2bb8068194dbba9738d05219f111c6e","versionType":"git"}],"repo":"https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git","programFiles":["drivers/pinctrl/renesas/pinctrl-rzn1.c"]},{"vendor":"Linux","product":"Linux","defaultStatus":"affected","versions":[{"version":"4.20","status":"affected"},{"version":"0","status":"unaffected","lessThan":"4.20","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/pinctrl/renesas/pinctrl-rzn1.c"]}],"references":[{"url":"https://git.kernel.org/stable/c/b646e0cfeb38bf5f1944fd548f1dfa9b129fa00c"},{"url":"https://git.kernel.org/stable/c/c16b59d445135c8026a04e388d8b2762feaa3b3b"},{"url":"https://git.kernel.org/stable/c/34c719b8fdfbd0c7c54cae56e6b0f16e9f8bf03e"},{"url":"https://git.kernel.org/stable/c/01f9e02e0f13df3fd291676dc80054e977be1601"},{"url":"https://git.kernel.org/stable/c/2f661477c2bb8068194dbba9738d05219f111c6e"}],"providerMetadata":{"shortName":"Linux","orgId":"416baaa9-dc9f-4396-8d5f-8c081fb06d67","dateUpdated":"2026-05-11T19:00:05.387Z"},"cpeApplicability":[{"nodes":[{"operator":"OR","negate":false,"cpeMatch":[{"vulnerable":true,"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionStartIncluding":"4.20","versionEndExcluding":"5.10.121"},{"vulnerable":true,"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionStartIncluding":"4.20","versionEndExcluding":"5.15.46"},{"vulnerable":true,"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionStartIncluding":"4.20","versionEndExcluding":"5.17.14"},{"vulnerable":true,"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionStartIncluding":"4.20","versionEndExcluding":"5.18.3"},{"vulnerable":true,"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionStartIncluding":"4.20","versionEndExcluding":"5.19"}]}]}],"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-2022-49449","role":"CISA Coordinator","options":[{"Exploitation":"none"},{"Automatable":"no"},{"Technical Impact":"partial"}],"version":"2.0.3","timestamp":"2025-10-01T19:40:36.057043Z"}}}],"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":"2025-10-01T19:46:48.379Z"}}]}}}