{"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":"2026-05-11T19:24:17.446Z"},"containers":{"cna":{"providerMetadata":{"orgId":"416baaa9-dc9f-4396-8d5f-8c081fb06d67","shortName":"Linux","dateUpdated":"2026-05-11T19:24:17.446Z"},"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"}]},{"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"}}}}