{ "dataType": "CVE_RECORD", "dataVersion": "5.2", "cveMetadata": { "cveId": "CVE-2022-50724", "assignerOrgId": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "state": "PUBLISHED", "assignerShortName": "Linux", "dateReserved": "2025-12-24T12:20:40.330Z", "datePublished": "2025-12-24T12:22:46.251Z", "dateUpdated": "2026-05-23T15:24:58.423Z" }, "containers": { "cna": { "providerMetadata": { "orgId": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "shortName": "Linux", "dateUpdated": "2026-05-23T15:24:58.423Z" }, "descriptions": [ { "lang": "en", "value": "In the Linux kernel, the following vulnerability has been resolved:\n\nregulator: core: fix resource leak in regulator_register()\n\nI got some resource leak reports while doing fault injection test:\n\n OF: ERROR: memory leak, expected refcount 1 instead of 100,\n of_node_get()/of_node_put() unbalanced - destroy cset entry:\n attach overlay node /i2c/pmic@64/regulators/buck1\n\nunreferenced object 0xffff88810deea000 (size 512):\n comm \"490-i2c-rt5190a\", pid 253, jiffies 4294859840 (age 5061.046s)\n hex dump (first 32 bytes):\n 00 00 00 00 ad 4e ad de ff ff ff ff 00 00 00 00 .....N..........\n ff ff ff ff ff ff ff ff a0 1e 00 a1 ff ff ff ff ................\n backtrace:\n [<00000000d78541e2>] kmalloc_trace+0x21/0x110\n [<00000000b343d153>] device_private_init+0x32/0xd0\n [<00000000be1f0c70>] device_add+0xb2d/0x1030\n [<00000000e3e6344d>] regulator_register+0xaf2/0x12a0\n [<00000000e2f5e754>] devm_regulator_register+0x57/0xb0\n [<000000008b898197>] rt5190a_probe+0x52a/0x861 [rt5190a_regulator]\n\nunreferenced object 0xffff88810b617b80 (size 32):\n comm \"490-i2c-rt5190a\", pid 253, jiffies 4294859904 (age 5060.983s)\n hex dump (first 32 bytes):\n 72 65 67 75 6c 61 74 6f 72 2e 32 38 36 38 2d 53 regulator.2868-S\n 55 50 50 4c 59 00 ff ff 29 00 00 00 2b 00 00 00 UPPLY...)...+...\n backtrace:\n [<000000009da9280d>] __kmalloc_node_track_caller+0x44/0x1b0\n [<0000000025c6a4e5>] kstrdup+0x3a/0x70\n [<00000000790efb69>] create_regulator+0xc0/0x4e0\n [<0000000005ed203a>] regulator_resolve_supply+0x2d4/0x440\n [<0000000045796214>] regulator_register+0x10b3/0x12a0\n [<00000000e2f5e754>] devm_regulator_register+0x57/0xb0\n [<000000008b898197>] rt5190a_probe+0x52a/0x861 [rt5190a_regulator]\n\nAfter calling regulator_resolve_supply(), the 'rdev->supply' is set\nby set_supply(), after this set, in the error path, the resources\nneed be released, so call regulator_put() to avoid the leaks." } ], "affected": [ { "product": "Linux", "vendor": "Linux", "defaultStatus": "unaffected", "repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git", "programFiles": [ "drivers/regulator/core.c" ], "versions": [ { "version": "0120ec32a7774b5061ced1a9a7ff833edd8b4cb6", "lessThan": "35593d60b1622834984c43add7646d4069671aa9", "status": "affected", "versionType": "git" }, { "version": "aea6cb99703e17019e025aa71643b4d3e0a24413", "lessThan": "6a03c31d08f95dca9633a552de167b9e625833a8", "status": "affected", "versionType": "git" }, { "version": "aea6cb99703e17019e025aa71643b4d3e0a24413", "lessThan": "c4c64d8abd656b9807b63178750fa91454602b86", "status": "affected", "versionType": "git" }, { "version": "aea6cb99703e17019e025aa71643b4d3e0a24413", "lessThan": "90b713aadc1240bf2dd03d610d6c1d016a9123a2", "status": "affected", "versionType": "git" }, { "version": "aea6cb99703e17019e025aa71643b4d3e0a24413", "lessThan": "f86b2f216636790d5922458578825e4628fb570f", "status": "affected", "versionType": "git" }, { "version": "aea6cb99703e17019e025aa71643b4d3e0a24413", "lessThan": "ba62319a42c50e6254e98b3f316464fac8e77968", "status": "affected", "versionType": "git" }, { "version": "1d58235c062309d51660fd04182d7a8ab6a48ad6", "status": "affected", "versionType": "git" }, { "version": "167c3b1f9793a1fb23e75e693f078420850306d4", "status": "affected", "versionType": "git" }, { "version": "3fc99e38fdbf6b693693f861aa55a50a74c2d202", "status": "affected", "versionType": "git" }, { "version": "96c6b5d5775637b3095ef934f871044811fd4db7", "status": "affected", "versionType": "git" }, { "version": "f58ce31b05b4ca0c200a5cbe4724efe279405095", "status": "affected", "versionType": "git" }, { "version": "5.4.73", "lessThan": "5.4.229", "status": "affected", "versionType": "semver" }, { "version": "4.9.241", "lessThan": "4.10", "status": "affected", "versionType": "semver" }, { "version": "4.14.203", "lessThan": "4.15", "status": "affected", "versionType": "semver" }, { "version": "4.19.153", "lessThan": "4.20", "status": "affected", "versionType": "semver" }, { "version": "5.8.17", "lessThan": "5.9", "status": "affected", "versionType": "semver" }, { "version": "5.9.2", "lessThan": "5.10", "status": "affected", "versionType": "semver" } ] }, { "product": "Linux", "vendor": "Linux", "defaultStatus": "affected", "repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git", "programFiles": [ "drivers/regulator/core.c" ], "versions": [ { "version": "5.10", "status": "affected" }, { "version": "0", "lessThan": "5.10", "status": "unaffected", "versionType": "semver" }, { "version": "5.4.229", "lessThanOrEqual": "5.4.*", "status": "unaffected", "versionType": "semver" }, { "version": "5.10.163", "lessThanOrEqual": "5.10.*", "status": "unaffected", "versionType": "semver" }, { "version": "5.15.86", "lessThanOrEqual": "5.15.*", "status": "unaffected", "versionType": "semver" }, { "version": "6.0.16", "lessThanOrEqual": "6.0.*", "status": "unaffected", "versionType": "semver" }, { "version": "6.1.2", "lessThanOrEqual": "6.1.*", "status": "unaffected", "versionType": "semver" }, { "version": "6.2", "lessThanOrEqual": "*", "status": "unaffected", "versionType": "original_commit_for_fix" } ] } ], "cpeApplicability": [ { "nodes": [ { "operator": "OR", "negate": false, "cpeMatch": [ { "vulnerable": true, "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*", "versionStartIncluding": "5.4.73", "versionEndExcluding": "5.4.229" }, { "vulnerable": true, "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*", "versionStartIncluding": "5.10", "versionEndExcluding": "5.10.163" }, { "vulnerable": true, "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*", "versionStartIncluding": "5.10", "versionEndExcluding": "5.15.86" }, { "vulnerable": true, "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*", "versionStartIncluding": "5.10", "versionEndExcluding": "6.0.16" }, { "vulnerable": true, "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*", "versionStartIncluding": "5.10", "versionEndExcluding": "6.1.2" }, { "vulnerable": true, "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*", "versionStartIncluding": "5.10", "versionEndExcluding": "6.2" }, { "vulnerable": true, "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*", "versionStartIncluding": "4.9.241" }, { "vulnerable": true, "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*", "versionStartIncluding": "4.14.203" }, { "vulnerable": true, "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*", "versionStartIncluding": "4.19.153" }, { "vulnerable": true, "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*", "versionStartIncluding": "5.8.17" }, { "vulnerable": true, "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*", "versionStartIncluding": "5.9.2" } ] } ] } ], "references": [ { "url": "https://git.kernel.org/stable/c/35593d60b1622834984c43add7646d4069671aa9" }, { "url": "https://git.kernel.org/stable/c/6a03c31d08f95dca9633a552de167b9e625833a8" }, { "url": "https://git.kernel.org/stable/c/c4c64d8abd656b9807b63178750fa91454602b86" }, { "url": "https://git.kernel.org/stable/c/90b713aadc1240bf2dd03d610d6c1d016a9123a2" }, { "url": "https://git.kernel.org/stable/c/f86b2f216636790d5922458578825e4628fb570f" }, { "url": "https://git.kernel.org/stable/c/ba62319a42c50e6254e98b3f316464fac8e77968" } ], "title": "regulator: core: fix resource leak in regulator_register()", "x_generator": { "engine": "bippy-1.2.0" } } } }