high7.8
CVE-2022-50192
In the Linux kernel, the following vulnerability has been resolved: spi: tegra20-slink: fix UAF in tegra_slink_remove() After calling spi_unregister_master(), …
Impact
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.
Affected products
| Vendor | Product | Affected versions |
|---|---|---|
| Linux | Linux Kernel | from 5.15 before 5.15.61 from 5.16 before 5.18.18 from 5.19 before 5.19.2 |
Weakness classification
References
- NVD record
- CVE.org record
- https://git.kernel.org/stable/c/415b4ce61308f24583912d887772dfcbf97f1d20
- https://git.kernel.org/stable/c/67f77172644260482fdafc03b6025847944701e5
- https://git.kernel.org/stable/c/7e9984d183bb1e99e766c5c2b950ff21f7f7b6c0
- https://git.kernel.org/stable/c/800c7767e05d29656713e04532823a752e57e037