{"id":"CVE-2023-53611","state":"PUBLISHED","title":"ipmi_si: fix a memleak in try_smi_init()","description":"In the Linux kernel, the following vulnerability has been resolved:\n\nipmi_si: fix a memleak in try_smi_init()\n\nKmemleak reported the following leak info in try_smi_init():\n\nunreferenced object 0xffff00018ecf9400 (size 1024):\n  comm \"modprobe\", pid 2707763, jiffies 4300851415 (age 773.308s)\n  backtrace:\n    [<000000004ca5b312>] __kmalloc+0x4b8/0x7b0\n    [<00000000953b1072>] try_smi_init+0x148/0x5dc [ipmi_si]\n    [<000000006460d325>] 0xffff800081b10148\n    [<0000000039206ea5>] do_one_initcall+0x64/0x2a4\n    [<00000000601399ce>] do_init_module+0x50/0x300\n    [<000000003c12ba3c>] load_module+0x7a8/0x9e0\n    [<00000000c246fffe>] __se_sys_init_module+0x104/0x180\n    [<00000000eea99093>] __arm64_sys_init_module+0x24/0x30\n    [<0000000021b1ef87>] el0_svc_common.constprop.0+0x94/0x250\n    [<0000000070f4f8b7>] do_el0_svc+0x48/0xe0\n    [<000000005a05337f>] el0_svc+0x24/0x3c\n    [<000000005eb248d6>] el0_sync_handler+0x160/0x164\n    [<0000000030a59039>] el0_sync+0x160/0x180\n\nThe problem was that when an error occurred before handlers registration\nand after allocating `new_smi->si_sm`, the variable wouldn't be freed in\nthe error handling afterwards since `shutdown_smi()` hadn't been\nregistered yet. Fix it by adding a `kfree()` in the error handling path\nin `try_smi_init()`.","publishedAt":"2025-10-04T15:44:19.593Z","updatedAt":"2026-05-11T19:48:30.412Z","severity":null,"assigner":"Linux","products":["Linux Linux"],"affected":[{"vendor":"Linux","product":"Linux","defaultStatus":"unaffected","versions":[{"version":"7960f18a56475bf2177c5ff56c72eb4c12c56440","status":"affected","lessThan":"b9bc8fbb2d416ce87f0342478dc9fcfd79f2c65f","versionType":"git"},{"version":"7960f18a56475bf2177c5ff56c72eb4c12c56440","status":"affected","lessThan":"f53ab5a2bf20fed59a2f7542d3453228b8056358","versionType":"git"},{"version":"7960f18a56475bf2177c5ff56c72eb4c12c56440","status":"affected","lessThan":"5c5f02e16b919c8cb6024dc3778c8d8f1fb1f26b","versionType":"git"},{"version":"7960f18a56475bf2177c5ff56c72eb4c12c56440","status":"affected","lessThan":"cbb7d8a4b4beb3061b3a1847a742983a01dca381","versionType":"git"},{"version":"7960f18a56475bf2177c5ff56c72eb4c12c56440","status":"affected","lessThan":"09cb2a71b2e982015fe0464f28da1ab42b8e6375","versionType":"git"},{"version":"7960f18a56475bf2177c5ff56c72eb4c12c56440","status":"affected","lessThan":"1bfcfea0fae0d0a6c6ff5543e6d704b3807b83ce","versionType":"git"},{"version":"7960f18a56475bf2177c5ff56c72eb4c12c56440","status":"affected","lessThan":"7291af9a738d936c2d6869d030711dceb68404d0","versionType":"git"},{"version":"7960f18a56475bf2177c5ff56c72eb4c12c56440","status":"affected","lessThan":"6cf1a126de2992b4efe1c3c4d398f8de4aed6e3f","versionType":"git"}],"repo":"https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git","programFiles":["drivers/char/ipmi/ipmi_si_intf.c"]},{"vendor":"Linux","product":"Linux","defaultStatus":"affected","versions":[{"version":"4.18","status":"affected"},{"version":"0","status":"unaffected","lessThan":"4.18","versionType":"semver"},{"version":"4.19.295","status":"unaffected","lessThanOrEqual":"4.19.*","versionType":"semver"},{"version":"5.4.257","status":"unaffected","lessThanOrEqual":"5.4.*","versionType":"semver"},{"version":"5.10.195","status":"unaffected","lessThanOrEqual":"5.10.*","versionType":"semver"},{"version":"5.15.132","status":"unaffected","lessThanOrEqual":"5.15.*","versionType":"semver"},{"version":"6.1.53","status":"unaffected","lessThanOrEqual":"6.1.*","versionType":"semver"},{"version":"6.4.16","status":"unaffected","lessThanOrEqual":"6.4.*","versionType":"semver"},{"version":"6.5.3","status":"unaffected","lessThanOrEqual":"6.5.*","versionType":"semver"},{"version":"6.6","status":"unaffected","lessThanOrEqual":"*","versionType":"original_commit_for_fix"}],"repo":"https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git","programFiles":["drivers/char/ipmi/ipmi_si_intf.c"]}],"references":["https://git.kernel.org/stable/c/b9bc8fbb2d416ce87f0342478dc9fcfd79f2c65f","https://git.kernel.org/stable/c/f53ab5a2bf20fed59a2f7542d3453228b8056358","https://git.kernel.org/stable/c/5c5f02e16b919c8cb6024dc3778c8d8f1fb1f26b","https://git.kernel.org/stable/c/cbb7d8a4b4beb3061b3a1847a742983a01dca381","https://git.kernel.org/stable/c/09cb2a71b2e982015fe0464f28da1ab42b8e6375","https://git.kernel.org/stable/c/1bfcfea0fae0d0a6c6ff5543e6d704b3807b83ce","https://git.kernel.org/stable/c/7291af9a738d936c2d6869d030711dceb68404d0","https://git.kernel.org/stable/c/6cf1a126de2992b4efe1c3c4d398f8de4aed6e3f"],"weaknesses":[],"ingestedAt":"2026-10-29T20:06:33.064Z","source":{"repository":"CVEProject/cvelistV5","path":"cves/2023/53xxx/CVE-2023-53611.json","commit":"556c9d3a8cd17e218bb8e452ba7cd619a384ff47"},"raw":{"dataType":"CVE_RECORD","dataVersion":"5.2","cveMetadata":{"cveId":"CVE-2023-53611","state":"PUBLISHED","datePublished":"2025-10-04T15:44:19.593Z","dateUpdated":"2026-05-11T19:48:30.412Z","assignerShortName":"Linux","assignerOrgId":"416baaa9-dc9f-4396-8d5f-8c081fb06d67","dateReserved":"2025-10-04T15:40:38.480Z"},"containers":{"cna":{"title":"ipmi_si: fix a memleak in try_smi_init()","descriptions":[{"lang":"en","value":"In the Linux kernel, the following vulnerability has been resolved:\n\nipmi_si: fix a memleak in try_smi_init()\n\nKmemleak reported the following leak info in try_smi_init():\n\nunreferenced object 0xffff00018ecf9400 (size 1024):\n  comm \"modprobe\", pid 2707763, jiffies 4300851415 (age 773.308s)\n  backtrace:\n    [<000000004ca5b312>] __kmalloc+0x4b8/0x7b0\n    [<00000000953b1072>] try_smi_init+0x148/0x5dc [ipmi_si]\n    [<000000006460d325>] 0xffff800081b10148\n    [<0000000039206ea5>] do_one_initcall+0x64/0x2a4\n    [<00000000601399ce>] do_init_module+0x50/0x300\n    [<000000003c12ba3c>] load_module+0x7a8/0x9e0\n    [<00000000c246fffe>] __se_sys_init_module+0x104/0x180\n    [<00000000eea99093>] __arm64_sys_init_module+0x24/0x30\n    [<0000000021b1ef87>] el0_svc_common.constprop.0+0x94/0x250\n    [<0000000070f4f8b7>] do_el0_svc+0x48/0xe0\n    [<000000005a05337f>] el0_svc+0x24/0x3c\n    [<000000005eb248d6>] el0_sync_handler+0x160/0x164\n    [<0000000030a59039>] el0_sync+0x160/0x180\n\nThe problem was that when an error occurred before handlers registration\nand after allocating `new_smi->si_sm`, the variable wouldn't be freed in\nthe error handling afterwards since `shutdown_smi()` hadn't been\nregistered yet. Fix it by adding a `kfree()` in the error handling path\nin `try_smi_init()`."}],"affected":[{"vendor":"Linux","product":"Linux","defaultStatus":"unaffected","versions":[{"version":"7960f18a56475bf2177c5ff56c72eb4c12c56440","status":"affected","lessThan":"b9bc8fbb2d416ce87f0342478dc9fcfd79f2c65f","versionType":"git"},{"version":"7960f18a56475bf2177c5ff56c72eb4c12c56440","status":"affected","lessThan":"f53ab5a2bf20fed59a2f7542d3453228b8056358","versionType":"git"},{"version":"7960f18a56475bf2177c5ff56c72eb4c12c56440","status":"affected","lessThan":"5c5f02e16b919c8cb6024dc3778c8d8f1fb1f26b","versionType":"git"},{"version":"7960f18a56475bf2177c5ff56c72eb4c12c56440","status":"affected","lessThan":"cbb7d8a4b4beb3061b3a1847a742983a01dca381","versionType":"git"},{"version":"7960f18a56475bf2177c5ff56c72eb4c12c56440","status":"affected","lessThan":"09cb2a71b2e982015fe0464f28da1ab42b8e6375","versionType":"git"},{"version":"7960f18a56475bf2177c5ff56c72eb4c12c56440","status":"affected","lessThan":"1bfcfea0fae0d0a6c6ff5543e6d704b3807b83ce","versionType":"git"},{"version":"7960f18a56475bf2177c5ff56c72eb4c12c56440","status":"affected","lessThan":"7291af9a738d936c2d6869d030711dceb68404d0","versionType":"git"},{"version":"7960f18a56475bf2177c5ff56c72eb4c12c56440","status":"affected","lessThan":"6cf1a126de2992b4efe1c3c4d398f8de4aed6e3f","versionType":"git"}],"repo":"https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git","programFiles":["drivers/char/ipmi/ipmi_si_intf.c"]},{"vendor":"Linux","product":"Linux","defaultStatus":"affected","versions":[{"version":"4.18","status":"affected"},{"version":"0","status":"unaffected","lessThan":"4.18","versionType":"semver"},{"version":"4.19.295","status":"unaffected","lessThanOrEqual":"4.19.*","versionType":"semver"},{"version":"5.4.257","status":"unaffected","lessThanOrEqual":"5.4.*","versionType":"semver"},{"version":"5.10.195","status":"unaffected","lessThanOrEqual":"5.10.*","versionType":"semver"},{"version":"5.15.132","status":"unaffected","lessThanOrEqual":"5.15.*","versionType":"semver"},{"version":"6.1.53","status":"unaffected","lessThanOrEqual":"6.1.*","versionType":"semver"},{"version":"6.4.16","status":"unaffected","lessThanOrEqual":"6.4.*","versionType":"semver"},{"version":"6.5.3","status":"unaffected","lessThanOrEqual":"6.5.*","versionType":"semver"},{"version":"6.6","status":"unaffected","lessThanOrEqual":"*","versionType":"original_commit_for_fix"}],"repo":"https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git","programFiles":["drivers/char/ipmi/ipmi_si_intf.c"]}],"references":[{"url":"https://git.kernel.org/stable/c/b9bc8fbb2d416ce87f0342478dc9fcfd79f2c65f"},{"url":"https://git.kernel.org/stable/c/f53ab5a2bf20fed59a2f7542d3453228b8056358"},{"url":"https://git.kernel.org/stable/c/5c5f02e16b919c8cb6024dc3778c8d8f1fb1f26b"},{"url":"https://git.kernel.org/stable/c/cbb7d8a4b4beb3061b3a1847a742983a01dca381"},{"url":"https://git.kernel.org/stable/c/09cb2a71b2e982015fe0464f28da1ab42b8e6375"},{"url":"https://git.kernel.org/stable/c/1bfcfea0fae0d0a6c6ff5543e6d704b3807b83ce"},{"url":"https://git.kernel.org/stable/c/7291af9a738d936c2d6869d030711dceb68404d0"},{"url":"https://git.kernel.org/stable/c/6cf1a126de2992b4efe1c3c4d398f8de4aed6e3f"}],"providerMetadata":{"shortName":"Linux","orgId":"416baaa9-dc9f-4396-8d5f-8c081fb06d67","dateUpdated":"2026-05-11T19:48:30.412Z"},"cpeApplicability":[{"nodes":[{"operator":"OR","negate":false,"cpeMatch":[{"vulnerable":true,"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionStartIncluding":"4.18","versionEndExcluding":"4.19.295"},{"vulnerable":true,"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionStartIncluding":"4.18","versionEndExcluding":"5.4.257"},{"vulnerable":true,"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionStartIncluding":"4.18","versionEndExcluding":"5.10.195"},{"vulnerable":true,"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionStartIncluding":"4.18","versionEndExcluding":"5.15.132"},{"vulnerable":true,"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionStartIncluding":"4.18","versionEndExcluding":"6.1.53"},{"vulnerable":true,"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionStartIncluding":"4.18","versionEndExcluding":"6.4.16"},{"vulnerable":true,"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionStartIncluding":"4.18","versionEndExcluding":"6.5.3"},{"vulnerable":true,"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionStartIncluding":"4.18","versionEndExcluding":"6.6"}]}]}],"x_generator":{"engine":"bippy-1.2.0"}}}}}