CVE-2022-50192
HIGH EPSS 10.9%
Published Jun 18, 20251y ago · Modified Jun 17, 20261w ago
7.8 CVSS 3.1
Published Jun 18, 2025 1y ago
Last Modified Jun 17, 2026 1w ago
Description
In the Linux kernel, the following vulnerability has been resolved: spi: tegra20-slink: fix UAF in tegra_slink_remove() After calling spi_unregister_master(), the refcount of master will be decrease to 0, and it will be freed in spi_controller_release(), the device data also will be freed, so it will lead a UAF when using 'tspi'. To fix this, get the master before unregister and put it when finish using it.
CVSS Details
Base Score
Exploitability
Impact
Vector string
CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H Attack Vector Local
Attack Complexity Low
Privileges Required Low
User Interaction None
Scope Unchanged
Confidentiality High
Integrity High
Availability High
Threat Intelligence
EPSS Exploit Probability
10.9% percentile
Exploit & Patch Status
No Known Exploit
Patch Available
Weaknesses 1
CWE-416 Use After Free Memory Safety
Affected Products 3
References 4
- git.kernel.org https://git.kernel.org/stable/c/415b4ce61308f24583912d887772dfcbf97f1d20
- git.kernel.org https://git.kernel.org/stable/c/67f77172644260482fdafc03b6025847944701e5
- git.kernel.org https://git.kernel.org/stable/c/7e9984d183bb1e99e766c5c2b950ff21f7f7b6c0
- git.kernel.org https://git.kernel.org/stable/c/800c7767e05d29656713e04532823a752e57e037
Remediation
- git.kernel.org https://git.kernel.org/stable/c/415b4ce61308f24583912d887772dfcbf97f1d20
- git.kernel.org https://git.kernel.org/stable/c/67f77172644260482fdafc03b6025847944701e5
- git.kernel.org https://git.kernel.org/stable/c/7e9984d183bb1e99e766c5c2b950ff21f7f7b6c0
- git.kernel.org https://git.kernel.org/stable/c/800c7767e05d29656713e04532823a752e57e037