{"id":"CVE-2023-54097","state":"PUBLISHED","title":"regulator: stm32-pwr: fix of_iomap leak","description":"In the Linux kernel, the following vulnerability has been resolved:\n\nregulator: stm32-pwr: fix of_iomap leak\n\nSmatch reports:\ndrivers/regulator/stm32-pwr.c:166 stm32_pwr_regulator_probe() warn:\n'base' from of_iomap() not released on lines: 151,166.\n\nIn stm32_pwr_regulator_probe(), base is not released\nwhen devm_kzalloc() fails to allocate memory or\ndevm_regulator_register() fails to register a new regulator device,\nwhich may cause a leak.\n\nTo fix this issue, replace of_iomap() with\ndevm_platform_ioremap_resource(). devm_platform_ioremap_resource()\nis a specialized function for platform devices.\nIt allows 'base' to be automatically released whether the probe\nfunction succeeds or fails.\n\nBesides, use IS_ERR(base) instead of !base\nas the return value of devm_platform_ioremap_resource()\ncan either be a pointer to the remapped memory or\nan ERR_PTR() encoded error code if the operation fails.","publishedAt":"2025-12-24T13:06:24.519Z","updatedAt":"2026-05-11T19:55:25.909Z","severity":null,"assigner":"Linux","products":["Linux Linux"],"affected":[{"vendor":"Linux","product":"Linux","defaultStatus":"unaffected","versions":[{"version":"dc62f951a6a8490bcccc7b6de36cd85bd57be740","status":"affected","lessThan":"824683dbec234a01bd49a0589ee3323594a6f4cf","versionType":"git"},{"version":"dc62f951a6a8490bcccc7b6de36cd85bd57be740","status":"affected","lessThan":"dfce9bb3517a78507cf96f9b83948d0b81338afa","versionType":"git"},{"version":"dc62f951a6a8490bcccc7b6de36cd85bd57be740","status":"affected","lessThan":"ad6481f49fb2c703efa3a929643934f24b666d6a","versionType":"git"},{"version":"dc62f951a6a8490bcccc7b6de36cd85bd57be740","status":"affected","lessThan":"f25994f7a9ad53eb756bc4869497c3ebe281ad5e","versionType":"git"},{"version":"dc62f951a6a8490bcccc7b6de36cd85bd57be740","status":"affected","lessThan":"c091bb49b3233307c7af73dae888f0799752af3d","versionType":"git"},{"version":"dc62f951a6a8490bcccc7b6de36cd85bd57be740","status":"affected","lessThan":"0ad07e02be0d3f0d554653382ffe53ae4879378d","versionType":"git"},{"version":"dc62f951a6a8490bcccc7b6de36cd85bd57be740","status":"affected","lessThan":"c4a413e56d16a2ae84e6d8992f215c4dcc7fac20","versionType":"git"}],"repo":"https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git","programFiles":["drivers/regulator/stm32-pwr.c"]},{"vendor":"Linux","product":"Linux","defaultStatus":"affected","versions":[{"version":"5.2","status":"affected"},{"version":"0","status":"unaffected","lessThan":"5.2","versionType":"semver"},{"version":"5.4.243","status":"unaffected","lessThanOrEqual":"5.4.*","versionType":"semver"},{"version":"5.10.180","status":"unaffected","lessThanOrEqual":"5.10.*","versionType":"semver"},{"version":"5.15.111","status":"unaffected","lessThanOrEqual":"5.15.*","versionType":"semver"},{"version":"6.1.28","status":"unaffected","lessThanOrEqual":"6.1.*","versionType":"semver"},{"version":"6.2.15","status":"unaffected","lessThanOrEqual":"6.2.*","versionType":"semver"},{"version":"6.3.2","status":"unaffected","lessThanOrEqual":"6.3.*","versionType":"semver"},{"version":"6.4","status":"unaffected","lessThanOrEqual":"*","versionType":"original_commit_for_fix"}],"repo":"https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git","programFiles":["drivers/regulator/stm32-pwr.c"]}],"references":["https://git.kernel.org/stable/c/824683dbec234a01bd49a0589ee3323594a6f4cf","https://git.kernel.org/stable/c/dfce9bb3517a78507cf96f9b83948d0b81338afa","https://git.kernel.org/stable/c/ad6481f49fb2c703efa3a929643934f24b666d6a","https://git.kernel.org/stable/c/f25994f7a9ad53eb756bc4869497c3ebe281ad5e","https://git.kernel.org/stable/c/c091bb49b3233307c7af73dae888f0799752af3d","https://git.kernel.org/stable/c/0ad07e02be0d3f0d554653382ffe53ae4879378d","https://git.kernel.org/stable/c/c4a413e56d16a2ae84e6d8992f215c4dcc7fac20"],"weaknesses":[],"ingestedAt":"2026-10-29T20:06:42.242Z","source":{"repository":"CVEProject/cvelistV5","path":"cves/2023/54xxx/CVE-2023-54097.json","commit":"556c9d3a8cd17e218bb8e452ba7cd619a384ff47"},"raw":{"dataType":"CVE_RECORD","dataVersion":"5.2","cveMetadata":{"cveId":"CVE-2023-54097","state":"PUBLISHED","datePublished":"2025-12-24T13:06:24.519Z","dateUpdated":"2026-05-11T19:55:25.909Z","assignerShortName":"Linux","assignerOrgId":"416baaa9-dc9f-4396-8d5f-8c081fb06d67","dateReserved":"2025-12-24T13:02:52.516Z"},"containers":{"cna":{"title":"regulator: stm32-pwr: fix of_iomap leak","descriptions":[{"lang":"en","value":"In the Linux kernel, the following vulnerability has been resolved:\n\nregulator: stm32-pwr: fix of_iomap leak\n\nSmatch reports:\ndrivers/regulator/stm32-pwr.c:166 stm32_pwr_regulator_probe() warn:\n'base' from of_iomap() not released on lines: 151,166.\n\nIn stm32_pwr_regulator_probe(), base is not released\nwhen devm_kzalloc() fails to allocate memory or\ndevm_regulator_register() fails to register a new regulator device,\nwhich may cause a leak.\n\nTo fix this issue, replace of_iomap() with\ndevm_platform_ioremap_resource(). devm_platform_ioremap_resource()\nis a specialized function for platform devices.\nIt allows 'base' to be automatically released whether the probe\nfunction succeeds or fails.\n\nBesides, use IS_ERR(base) instead of !base\nas the return value of devm_platform_ioremap_resource()\ncan either be a pointer to the remapped memory or\nan ERR_PTR() encoded error code if the operation fails."}],"affected":[{"vendor":"Linux","product":"Linux","defaultStatus":"unaffected","versions":[{"version":"dc62f951a6a8490bcccc7b6de36cd85bd57be740","status":"affected","lessThan":"824683dbec234a01bd49a0589ee3323594a6f4cf","versionType":"git"},{"version":"dc62f951a6a8490bcccc7b6de36cd85bd57be740","status":"affected","lessThan":"dfce9bb3517a78507cf96f9b83948d0b81338afa","versionType":"git"},{"version":"dc62f951a6a8490bcccc7b6de36cd85bd57be740","status":"affected","lessThan":"ad6481f49fb2c703efa3a929643934f24b666d6a","versionType":"git"},{"version":"dc62f951a6a8490bcccc7b6de36cd85bd57be740","status":"affected","lessThan":"f25994f7a9ad53eb756bc4869497c3ebe281ad5e","versionType":"git"},{"version":"dc62f951a6a8490bcccc7b6de36cd85bd57be740","status":"affected","lessThan":"c091bb49b3233307c7af73dae888f0799752af3d","versionType":"git"},{"version":"dc62f951a6a8490bcccc7b6de36cd85bd57be740","status":"affected","lessThan":"0ad07e02be0d3f0d554653382ffe53ae4879378d","versionType":"git"},{"version":"dc62f951a6a8490bcccc7b6de36cd85bd57be740","status":"affected","lessThan":"c4a413e56d16a2ae84e6d8992f215c4dcc7fac20","versionType":"git"}],"repo":"https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git","programFiles":["drivers/regulator/stm32-pwr.c"]},{"vendor":"Linux","product":"Linux","defaultStatus":"affected","versions":[{"version":"5.2","status":"affected"},{"version":"0","status":"unaffected","lessThan":"5.2","versionType":"semver"},{"version":"5.4.243","status":"unaffected","lessThanOrEqual":"5.4.*","versionType":"semver"},{"version":"5.10.180","status":"unaffected","lessThanOrEqual":"5.10.*","versionType":"semver"},{"version":"5.15.111","status":"unaffected","lessThanOrEqual":"5.15.*","versionType":"semver"},{"version":"6.1.28","status":"unaffected","lessThanOrEqual":"6.1.*","versionType":"semver"},{"version":"6.2.15","status":"unaffected","lessThanOrEqual":"6.2.*","versionType":"semver"},{"version":"6.3.2","status":"unaffected","lessThanOrEqual":"6.3.*","versionType":"semver"},{"version":"6.4","status":"unaffected","lessThanOrEqual":"*","versionType":"original_commit_for_fix"}],"repo":"https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git","programFiles":["drivers/regulator/stm32-pwr.c"]}],"references":[{"url":"https://git.kernel.org/stable/c/824683dbec234a01bd49a0589ee3323594a6f4cf"},{"url":"https://git.kernel.org/stable/c/dfce9bb3517a78507cf96f9b83948d0b81338afa"},{"url":"https://git.kernel.org/stable/c/ad6481f49fb2c703efa3a929643934f24b666d6a"},{"url":"https://git.kernel.org/stable/c/f25994f7a9ad53eb756bc4869497c3ebe281ad5e"},{"url":"https://git.kernel.org/stable/c/c091bb49b3233307c7af73dae888f0799752af3d"},{"url":"https://git.kernel.org/stable/c/0ad07e02be0d3f0d554653382ffe53ae4879378d"},{"url":"https://git.kernel.org/stable/c/c4a413e56d16a2ae84e6d8992f215c4dcc7fac20"}],"providerMetadata":{"shortName":"Linux","orgId":"416baaa9-dc9f-4396-8d5f-8c081fb06d67","dateUpdated":"2026-05-11T19:55:25.909Z"},"cpeApplicability":[{"nodes":[{"operator":"OR","negate":false,"cpeMatch":[{"vulnerable":true,"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionStartIncluding":"5.2","versionEndExcluding":"5.4.243"},{"vulnerable":true,"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionStartIncluding":"5.2","versionEndExcluding":"5.10.180"},{"vulnerable":true,"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionStartIncluding":"5.2","versionEndExcluding":"5.15.111"},{"vulnerable":true,"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionStartIncluding":"5.2","versionEndExcluding":"6.1.28"},{"vulnerable":true,"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionStartIncluding":"5.2","versionEndExcluding":"6.2.15"},{"vulnerable":true,"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionStartIncluding":"5.2","versionEndExcluding":"6.3.2"},{"vulnerable":true,"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionStartIncluding":"5.2","versionEndExcluding":"6.4"}]}]}],"x_generator":{"engine":"bippy-1.2.0"}}}}}