{"affected":[],"cveId":"CVE-2022-50724","cwes":[],"description":"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.","epss":null,"exploits":[],"kev":null,"metrics":[],"modifiedAt":1794312600177,"publishedAt":1766582159057,"references":[{"source":"416baaa9-dc9f-4396-8d5f-8c081fb06d67","tags":[],"url":"https://git.kernel.org/stable/c/35593d60b1622834984c43add7646d4069671aa9"},{"source":"416baaa9-dc9f-4396-8d5f-8c081fb06d67","tags":[],"url":"https://git.kernel.org/stable/c/6a03c31d08f95dca9633a552de167b9e625833a8"},{"source":"416baaa9-dc9f-4396-8d5f-8c081fb06d67","tags":[],"url":"https://git.kernel.org/stable/c/90b713aadc1240bf2dd03d610d6c1d016a9123a2"},{"source":"416baaa9-dc9f-4396-8d5f-8c081fb06d67","tags":[],"url":"https://git.kernel.org/stable/c/ba62319a42c50e6254e98b3f316464fac8e77968"},{"source":"416baaa9-dc9f-4396-8d5f-8c081fb06d67","tags":[],"url":"https://git.kernel.org/stable/c/c4c64d8abd656b9807b63178750fa91454602b86"},{"source":"416baaa9-dc9f-4396-8d5f-8c081fb06d67","tags":[],"url":"https://git.kernel.org/stable/c/f86b2f216636790d5922458578825e4628fb570f"}],"remediation":[],"revision":"c7ebe32ef553855ad4f689927c9bbaf848bc4182b29fd1892f0388fa6972ef20","sources":[{"modifiedAt":1794312600177,"name":"NVD","retrievedAt":1794313072928,"url":"https://nvd.nist.gov/vuln/detail/CVE-2022-50724"}],"ssvc":null,"status":"published","title":"CVE-2022-50724","updatedAt":1794313072928}