{ "schemaVersion": 1, "attribution": [ { "source": "CISA Known Exploited Vulnerabilities", "url": "https://www.cisa.gov/known-exploited-vulnerabilities-catalog", "licence": "US government work" }, { "source": "GitHub Advisory Database", "url": "https://github.com/advisories", "licence": "CC BY 4.0" }, { "source": "Have I Been Pwned", "url": "https://haveibeenpwned.com/", "licence": "CC BY 4.0" }, { "source": "CVE Program (CVE records)", "url": "https://www.cve.org/Legal/TermsOfUse", "licence": "CVE Terms of Use", "notice": "Copyright © 1999-2026, The MITRE Corporation. CVE is a trademark and the CVE logo is a registered trademark of The MITRE Corporation.", "terms": "CVE Usage: MITRE hereby grants you a perpetual, worldwide, non-exclusive, no-charge, royalty-free, irrevocable copyright license to reproduce, prepare derivative works of, publicly display, publicly perform, sublicense, and distribute Common Vulnerabilities and Exposures (CVE™). Any copy you make for such purposes is authorized provided that you reproduce MITRE's copyright designation and this license in any such copy." }, { "source": "FIRST EPSS", "url": "https://www.first.org/epss/", "licence": "free to use; FIRST requests attribution" } ], "record": { "id": "CVE-2022-50724", "sourceURL": "https://www.cve.org/CVERecord?id=CVE-2022-50724", "idYear": 2022, "status": "PUBLISHED", "publishedAt": "2025-12-24T12:22:46.251Z", "updatedAt": "2026-05-23T15:24:58.423Z", "importedAt": "2026-10-24T01:56:49.724Z", "snapshot": { "id": "cve_2026-10-24_midnight_baseline", "at": "2026-10-24T00:00:00.000Z", "source": "https://github.com/CVEProject/cvelistV5/releases/tag/cve_2026-10-24_0100Z" }, "facts": { "title": "regulator: core: fix resource leak in regulator_register()", "summary": "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": [ { "vendor": "Linux", "product": "Linux", "defaultStatus": "unaffected", "versions": [ { "version": "0120ec32a7774b5061ced1a9a7ff833edd8b4cb6", "status": "affected", "versionType": "git", "lessThan": "35593d60b1622834984c43add7646d4069671aa9" }, { "version": "aea6cb99703e17019e025aa71643b4d3e0a24413", "status": "affected", "versionType": "git", "lessThan": "6a03c31d08f95dca9633a552de167b9e625833a8" }, { "version": "aea6cb99703e17019e025aa71643b4d3e0a24413", "status": "affected", "versionType": "git", "lessThan": "c4c64d8abd656b9807b63178750fa91454602b86" }, { "version": "aea6cb99703e17019e025aa71643b4d3e0a24413", "status": "affected", "versionType": "git", "lessThan": "90b713aadc1240bf2dd03d610d6c1d016a9123a2" }, { "version": "aea6cb99703e17019e025aa71643b4d3e0a24413", "status": "affected", "versionType": "git", "lessThan": "f86b2f216636790d5922458578825e4628fb570f" }, { "version": "aea6cb99703e17019e025aa71643b4d3e0a24413", "status": "affected", "versionType": "git", "lessThan": "ba62319a42c50e6254e98b3f316464fac8e77968" }, { "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", "status": "affected", "versionType": "semver", "lessThan": "5.4.229" }, { "version": "4.9.241", "status": "affected", "versionType": "semver", "lessThan": "4.10" }, { "version": "4.14.203", "status": "affected", "versionType": "semver", "lessThan": "4.15" }, { "version": "4.19.153", "status": "affected", "versionType": "semver", "lessThan": "4.20" }, { "version": "5.8.17", "status": "affected", "versionType": "semver", "lessThan": "5.9" }, { "version": "5.9.2", "status": "affected", "versionType": "semver", "lessThan": "5.10" } ] }, { "vendor": "Linux", "product": "Linux", "defaultStatus": "affected", "versions": [ { "version": "5.10", "status": "affected" }, { "version": "0", "status": "unaffected", "versionType": "semver", "lessThan": "5.10" }, { "version": "5.4.229", "status": "unaffected", "versionType": "semver", "lessThanOrEqual": "5.4.*" }, { "version": "5.10.163", "status": "unaffected", "versionType": "semver", "lessThanOrEqual": "5.10.*" }, { "version": "5.15.86", "status": "unaffected", "versionType": "semver", "lessThanOrEqual": "5.15.*" }, { "version": "6.0.16", "status": "unaffected", "versionType": "semver", "lessThanOrEqual": "6.0.*" }, { "version": "6.1.2", "status": "unaffected", "versionType": "semver", "lessThanOrEqual": "6.1.*" }, { "version": "6.2", "status": "unaffected", "versionType": "original_commit_for_fix", "lessThanOrEqual": "*" } ] } ] } } }