CVEvulnerability
CVE-2022-50192
7.8 HIGH
Official page ↗
- Status
- Analyzed
- Published
- 2025-06-18
- Last modified
- 2026-06-17
- Assigner
- 416baaa9-dc9f-4396-8d5f-8c081fb06d67
- CVSS 3.1 ([email protected])
- 7.8 HIGH — CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
- Weaknesses
- CWE-416
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.
Affected configurations
• linux linux kernel (>= 5.15 < 5.15.61)
• linux linux kernel (>= 5.16 < 5.18.18)
• linux linux kernel (>= 5.19 < 5.19.2)
Related
Weakness · CWE (1)
- CWE-416 Use After Free weakness
References
- https://git.kernel.org/stable/c/415b4ce61308f24583912d887772dfcbf97f1d20 Patch
- https://git.kernel.org/stable/c/67f77172644260482fdafc03b6025847944701e5 Patch
- https://git.kernel.org/stable/c/7e9984d183bb1e99e766c5c2b950ff21f7f7b6c0 Patch
- https://git.kernel.org/stable/c/800c7767e05d29656713e04532823a752e57e037 Patch