CVE-2021-47058
See a problem?- Source
- https://nvd.nist.gov/vuln/detail/CVE-2021-47058
- Import Source
- https://storage.googleapis.com/cve-osv-conversion/osv-output/CVE-2021-47058.json
- JSON Data
- https://api.osv.dev/v1/vulns/CVE-2021-47058
- Related
- Published
- 2024-02-29T23:15:07Z
- Modified
- 2024-09-18T01:00:22Z
- Summary
- [none]
- Details
-
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 regmapattachdev") that adds a if condition when create name for debugfsname. With below function invoking logical, debugfsname is freed in regmapdebugfsexit(), but it is not created again because of the if condition introduced by above commit. regmapreinitcache() regmapdebugfsexit() ... regmapdebugfsinit() So, set debugfs_name to NULL after it is freed.
- References
-
- https://git.kernel.org/stable/c/2dc1554d5f0fdaf47cc5bea442b84b9226fea867
- https://git.kernel.org/stable/c/b9e569ae1da3a113b3acee8703c94777fd20938a
- https://git.kernel.org/stable/c/c764e375ae647832de1ee73d43a4bb3ef8a8f43d
- https://git.kernel.org/stable/c/d8897f7b2283a500666c85ef06e820df38ed7b52
- https://git.kernel.org/stable/c/e41a962f82e7afb5b1ee644f48ad0b3aee656268
- https://git.kernel.org/stable/c/eb949f891226c012138ffd9df90d1e509f428ae6
- https://security-tracker.debian.org/tracker/CVE-2021-47058
Affected packages
Debian:11 / linux
Package
- Name
- linux
- Purl
- pkg:deb/debian/linux?arch=source
Debian:12 / linux
Package
- Name
- linux
- Purl
- pkg:deb/debian/linux?arch=source
Debian:13 / linux
Package
- Name
- linux
- Purl
- pkg:deb/debian/linux?arch=source