Vulnerability 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 Score
HIGH
Affected Products
| Vendor | Product | Versions |
|---|---|---|
| Linux | Linux Kernel | >= 5.15, < 5.15.61 |
Related Weaknesses (CWE)
References
- https://git.kernel.org/stable/c/415b4ce61308f24583912d887772dfcbf97f1d20Patch
- https://git.kernel.org/stable/c/67f77172644260482fdafc03b6025847944701e5Patch
- https://git.kernel.org/stable/c/7e9984d183bb1e99e766c5c2b950ff21f7f7b6c0Patch
- https://git.kernel.org/stable/c/800c7767e05d29656713e04532823a752e57e037Patch
FAQ
What is CVE-2022-50192?
CVE-2022-50192 is a vulnerability with a CVSS score of 7.8 (HIGH). 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...
How severe is CVE-2022-50192?
CVE-2022-50192 has been rated HIGH with a CVSS base score of 7.8/10. Review the CVSS metrics above for detailed severity breakdown.
Is there a patch for CVE-2022-50192?
Check the references section above for vendor advisories and patch information. Affected products include: Linux Linux Kernel.