CVE-2022-50724 (CNNVD-202512-4596)
中文标题:
Linux kernel 安全漏洞
英文标题:
regulator: core: fix resource leak in regulator_register()
漏洞描述
中文描述:
Linux kernel是美国Linux基金会的开源操作系统Linux所使用的内核。 Linux kernel存在安全漏洞，该漏洞源于regulator_register函数存在资源泄漏。
英文描述:
In the Linux kernel, the following vulnerability has been resolved: regulator: core: fix resource leak in regulator_register() I got some resource leak reports while doing fault injection test: OF: ERROR: memory leak, expected refcount 1 instead of 100, of_node_get()/of_node_put() unbalanced - destroy cset entry: attach overlay node /i2c/pmic@64/regulators/buck1 unreferenced object 0xffff88810deea000 (size 512): comm "490-i2c-rt5190a", pid 253, jiffies 4294859840 (age 5061.046s) hex dump (first 32 bytes): 00 00 00 00 ad 4e ad de ff ff ff ff 00 00 00 00 .....N.......... ff ff ff ff ff ff ff ff a0 1e 00 a1 ff ff ff ff ................ backtrace: [<00000000d78541e2>] kmalloc_trace+0x21/0x110 [<00000000b343d153>] device_private_init+0x32/0xd0 [<00000000be1f0c70>] device_add+0xb2d/0x1030 [<00000000e3e6344d>] regulator_register+0xaf2/0x12a0 [<00000000e2f5e754>] devm_regulator_register+0x57/0xb0 [<000000008b898197>] rt5190a_probe+0x52a/0x861 [rt5190a_regulator] unreferenced object 0xffff88810b617b80 (size 32): comm "490-i2c-rt5190a", pid 253, jiffies 4294859904 (age 5060.983s) hex dump (first 32 bytes): 72 65 67 75 6c 61 74 6f 72 2e 32 38 36 38 2d 53 regulator.2868-S 55 50 50 4c 59 00 ff ff 29 00 00 00 2b 00 00 00 UPPLY...)...+... backtrace: [<000000009da9280d>] __kmalloc_node_track_caller+0x44/0x1b0 [<0000000025c6a4e5>] kstrdup+0x3a/0x70 [<00000000790efb69>] create_regulator+0xc0/0x4e0 [<0000000005ed203a>] regulator_resolve_supply+0x2d4/0x440 [<0000000045796214>] regulator_register+0x10b3/0x12a0 [<00000000e2f5e754>] devm_regulator_register+0x57/0xb0 [<000000008b898197>] rt5190a_probe+0x52a/0x861 [rt5190a_regulator] After calling regulator_resolve_supply(), the 'rdev->supply' is set by set_supply(), after this set, in the error path, the resources need be released, so call regulator_put() to avoid the leaks.
CWE类型:
标签:
受影响产品
| 厂商 | 产品 | 版本 | 版本范围 | 平台 | CPE |
|---|---|---|---|---|---|
| Linux | Linux | 1d58235c062309d51660fd04182d7a8ab6a48ad6 | - | - |
cpe:2.3:a:linux:linux:1d58235c062309d51660fd04182d7a8ab6a48ad6:*:*:*:*:*:*:*
|
| Linux | Linux | 167c3b1f9793a1fb23e75e693f078420850306d4 | - | - |
cpe:2.3:a:linux:linux:167c3b1f9793a1fb23e75e693f078420850306d4:*:*:*:*:*:*:*
|
| Linux | Linux | 3fc99e38fdbf6b693693f861aa55a50a74c2d202 | - | - |
cpe:2.3:a:linux:linux:3fc99e38fdbf6b693693f861aa55a50a74c2d202:*:*:*:*:*:*:*
|
| Linux | Linux | 96c6b5d5775637b3095ef934f871044811fd4db7 | - | - |
cpe:2.3:a:linux:linux:96c6b5d5775637b3095ef934f871044811fd4db7:*:*:*:*:*:*:*
|
| Linux | Linux | f58ce31b05b4ca0c200a5cbe4724efe279405095 | - | - |
cpe:2.3:a:linux:linux:f58ce31b05b4ca0c200a5cbe4724efe279405095:*:*:*:*:*:*:*
|
| Linux | Linux | 5.10 | - | - |
cpe:2.3:a:linux:linux:5.10:*:*:*:*:*:*:*
|
解决方案
中文解决方案:
英文解决方案:
临时解决方案:
CVSS评分详情
时间信息
利用信息
数据源详情
| 数据源 | 记录ID | 版本 | 提取时间 |
|---|---|---|---|
| CVE | cve_CVE-2022-50724 |
2025-12-25 02:03:30 | 2026-01-12 02:08:37 |
| NVD | nvd_CVE-2022-50724 |
2025-12-30 04:12:18 | 2026-01-12 02:26:44 |
| CNNVD | cnnvd_CNNVD-202512-4596 |
2026-01-11 06:15:05 | 2026-01-12 02:38:06 |
版本与语言
安全公告
变更历史
查看详细变更
- vulnerability_type: 未提取 -> 其他
- severity: SeverityLevel.MEDIUM -> SeverityLevel.UNKNOWN
- cvss_score: 未提取 -> 0.0
- cnnvd_id: 未提取 -> CNNVD-202512-4596
- data_sources: ['cve', 'nvd'] -> ['cnnvd', 'cve', 'nvd']
查看详细变更
- data_sources: ['cve'] -> ['cve', 'nvd']