CVE-2022-50496

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Source
https://cve.org/CVERecord?id=CVE-2022-50496
Import Source
https://storage.googleapis.com/osv-test-cve-osv-conversion/osv-output/CVE-2022-50496.json
JSON Data
https://api.test.osv.dev/v1/vulns/CVE-2022-50496
Downstream
Related
Published
2025-10-04T15:43:47.948Z
Modified
2026-06-18T03:57:20.131556310Z
Summary
dm cache: Fix UAF in destroy()
Details

In the Linux kernel, the following vulnerability has been resolved:

dm cache: Fix UAF in destroy()

Dmcache also has the same UAF problem when dmresume() and dm_destroy() are concurrent.

Therefore, cancelling timer again in destroy().

Database specific 
{
    "cna_assigner": "Linux",
    "osv_generated_from": "https://github.com/CVEProject/cvelistV5/tree/main/cves/2022/50xxx/CVE-2022-50496.json"
}
References

Affected packages

Git / git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git

Affected ranges

Type
GIT
Repo
https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git
Events
Introduced
c6b4fcbad044e6fffcc75bba160e720eb8d67d17
Fixed
034cbc8d3b47a56acd89453c29632a9c117de09d
Fixed
993406104d2b28fe470126a062ad37a1e21e792e
Fixed
4d20032dd90664de09f2902a7ea49ae2f7771746
Fixed
2f097dfac7579fd84ff98eb1d3acd41d53a485f3
Fixed
2b17026685a270b2beaf1cdd9857fcedd3505c7e
Fixed
d2a0b298ebf83ab6236f66788a3541e91ce75a70
Fixed
6ac4f36910764cb510bafc4c3768544f86ca48ca
Fixed
6a3e412c2ab131c54945327a7676b006f000a209
Fixed
6a459d8edbdbe7b24db42a5a9f21e6aa9e00c2aa

Database specific

source 
"https://storage.googleapis.com/osv-test-cve-osv-conversion/osv-output/CVE-2022-50496.json"

Linux / Kernel

Package

Name
Kernel

Affected ranges

Type
ECOSYSTEM
Events
Introduced
3.9.0
Fixed
4.9.337
Type
ECOSYSTEM
Events
Introduced
4.10.0
Fixed
4.14.303
Type
ECOSYSTEM
Events
Introduced
4.15.0
Fixed
4.19.270
Type
ECOSYSTEM
Events
Introduced
4.20.0
Fixed
5.4.229
Type
ECOSYSTEM
Events
Introduced
5.5.0
Fixed
5.10.163
Type
ECOSYSTEM
Events
Introduced
5.11.0
Fixed
5.15.87
Type
ECOSYSTEM
Events
Introduced
5.16.0
Fixed
6.0.18
Type
ECOSYSTEM
Events
Introduced
6.1.0
Fixed
6.1.4

Database specific

source 
"https://storage.googleapis.com/osv-test-cve-osv-conversion/osv-output/CVE-2022-50496.json"