CVE-2021-47058
CVE.org · Published
- Record status
- Published
- Identifier year (not publication year)
- 2021
- Source publication
- Source updated
- Imported by cveboard
- Source snapshot
- cve_2026-10-24_midnight_baseline ·
CNA source text (English)
regmap: set debugfs_name to NULL after it is freed
In the Linux kernel, the following vulnerability has been resolved: regmap: set debugfs_name to NULL after it is freed There is a upstream commit cffa4b2122f5("regmap:debugfs: Fix a memory leak when calling regmap_attach_dev") that adds a if condition when create name for debugfs_name. With below function invoking logical, debugfs_name is freed in regmap_debugfs_exit(), but it is not created again because of the if condition introduced by above commit. regmap_reinit_cache() regmap_debugfs_exit() ... regmap_debugfs_init() So, set debugfs_name to NULL after it is freed.
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) |
|---|---|---|---|---|---|
| 5b654b03007917f3f1015b2a5c288c1ea6ae8f65 | affected | git | 2dc1554d5f0fdaf47cc5bea442b84b9226fea867 | Unavailable | None listed |
| 480c5e9c7e4c76c01d5f1f7b73832d7b77e6b427 | affected | git | d8897f7b2283a500666c85ef06e820df38ed7b52 | Unavailable | None listed |
| c9698380b01aed3281160d3ab25749b57d6913b8 | affected | git | eb949f891226c012138ffd9df90d1e509f428ae6 | Unavailable | None listed |
| cffa4b2122f5f3e53cf3d529bbc74651f95856d5 | affected | git | c764e375ae647832de1ee73d43a4bb3ef8a8f43d | Unavailable | None listed |
| cffa4b2122f5f3e53cf3d529bbc74651f95856d5 | affected | git | b9e569ae1da3a113b3acee8703c94777fd20938a | Unavailable | None listed |
| cffa4b2122f5f3e53cf3d529bbc74651f95856d5 | affected | git | e41a962f82e7afb5b1ee644f48ad0b3aee656268 | Unavailable | None listed |
| 4.19.168 | affected | semver | 4.19.191 | Unavailable | None listed |
| 5.4.90 | affected | semver | 5.4.119 | Unavailable | None listed |
| 5.10.8 | affected | semver | 5.10.37 | 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) |
|---|---|---|---|---|---|
| 5.11 | affected | Unavailable | Unavailable | Unavailable | None listed |
| 0 | unaffected | semver | 5.11 | Unavailable | None listed |
| 4.19.191 | unaffected | semver | Unavailable | 4.19.* | None listed |
| 5.4.119 | unaffected | semver | Unavailable | 5.4.* | None listed |
| 5.10.37 | unaffected | semver | Unavailable | 5.10.* | None listed |
| 5.11.21 | unaffected | semver | Unavailable | 5.11.* | None listed |
| 5.12.4 | unaffected | semver | Unavailable | 5.12.* | None listed |
| 5.13 | unaffected | original_commit_for_fix | Unavailable | * | None listed |