CVE-2022-50250
CVE.org · Published
- Record status
- Published
- Identifier year (not publication year)
- 2022
- Source publication
- Source updated
- Imported by cveboard
- Source snapshot
- cve_2026-10-24_midnight_baseline ·
CNA source text (English)
regulator: core: fix use_count leakage when handling boot-on
In the Linux kernel, the following vulnerability has been resolved: regulator: core: fix use_count leakage when handling boot-on I found a use_count leakage towards supply regulator of rdev with boot-on option. ┌───────────────────┐ ┌───────────────────┐ │ regulator_dev A │ │ regulator_dev B │ │ (boot-on) │ │ (boot-on) │ │ use_count=0 │◀──supply──│ use_count=1 │ │ │ │ │ └───────────────────┘ └───────────────────┘ In case of rdev(A) configured with `regulator-boot-on', the use_count of supplying regulator(B) will increment inside regulator_enable(rdev->supply). Thus, B will acts like always-on, and further balanced regulator_enable/disable cannot actually disable it anymore. However, B was also configured with `regulator-boot-on', we wish it could be disabled afterwards.
Scoped product and version facts
Fix information unknown; no fixed version is derived here. Missing information does not prove that no fix exists.
Exploitation unknown; this catalogue does not assess exploitation.
Linux
- Vendor
- Linux
- Product
- Linux
- Platforms
- Unknown
- Default status
unaffected
| Version (version) | Status (status) | Version scheme (versionType) | Exclusive end (lessThan) | Inclusive end (lessThanOrEqual) | Status changes (at → status) |
|---|---|---|---|---|---|
| dc1b1d7faf616ed663d0bba9be5abb4d1ed35d01 | affected | git | dc3391d49479bc2bf8a2b88dbf86fdd800882fee | Unavailable | None listed |
| f44b07472f29ae313ce875dc7b9c75b100c608b8 | affected | git | 5bfc53df288e8ea54ca6866fb92034214940183f | Unavailable | None listed |
| 089b3f61ecfc43ca4ea26d595e1d31ead6de3f7b | affected | git | 4b737246ff50f810d6ab4be13c1388a07f0c14b1 | Unavailable | None listed |
| 089b3f61ecfc43ca4ea26d595e1d31ead6de3f7b | affected | git | feb847e6591e8c7a09cc39721cc9ca74fd9a5d80 | Unavailable | None listed |
| 089b3f61ecfc43ca4ea26d595e1d31ead6de3f7b | affected | git | 4dd6e1cc9c7403f1ee1b7eee85bc31b797ae8347 | Unavailable | None listed |
| 089b3f61ecfc43ca4ea26d595e1d31ead6de3f7b | affected | git | bc6c381df5793ebcf32db88a3e65acf7870379fc | Unavailable | None listed |
| 089b3f61ecfc43ca4ea26d595e1d31ead6de3f7b | affected | git | 0591b14ce0398125439c759f889647369aa616a0 | Unavailable | None listed |
| 4.19.226 | affected | semver | 4.19.270 | Unavailable | None listed |
| 5.4.7 | affected | semver | 5.4.229 | Unavailable | None listed |
Linux
- Vendor
- Linux
- Product
- Linux
- Platforms
- Unknown
- Default status
affected
| Version (version) | Status (status) | Version scheme (versionType) | Exclusive end (lessThan) | Inclusive end (lessThanOrEqual) | Status changes (at → status) |
|---|---|---|---|---|---|
| 5.5 | affected | Unavailable | Unavailable | Unavailable | None listed |
| 0 | unaffected | semver | 5.5 | Unavailable | None listed |
| 4.19.270 | unaffected | semver | Unavailable | 4.19.* | None listed |
| 5.4.229 | unaffected | semver | Unavailable | 5.4.* | None listed |
| 5.10.163 | unaffected | semver | Unavailable | 5.10.* | None listed |
| 5.15.86 | unaffected | semver | Unavailable | 5.15.* | None listed |
| 6.0.16 | unaffected | semver | Unavailable | 6.0.* | None listed |
| 6.1.2 | unaffected | semver | Unavailable | 6.1.* | None listed |
| 6.2 | unaffected | original_commit_for_fix | Unavailable | * | None listed |