medium5.5
CVE-2022-50404
In the Linux kernel, the following vulnerability has been resolved: fbdev: fbcon: release buffer when fbcon_do_set_font() failed syzbot is reporting memory lea…
Impact
In the Linux kernel, the following vulnerability has been resolved: fbdev: fbcon: release buffer when fbcon_do_set_font() failed syzbot is reporting memory leak at fbcon_do_set_font() [1], for commit a5a923038d70 ("fbdev: fbcon: Properly revert changes when vc_resize() failed") missed that the buffer might be newly allocated by fbcon_set_font().
Affected products
| Vendor | Product | Affected versions |
|---|---|---|
| Linux | Linux Kernel | from 5.15.64 before 5.15.86 from 5.19.6 before 6.0 from 6.0.1 before 6.0.16 from 6.1 before 6.1.2 Version 6.0 |
Weakness classification
References
- NVD record
- CVE.org record
- https://git.kernel.org/stable/c/06926607b9fddf7ce8017493899ce6eb7e79a123
- https://git.kernel.org/stable/c/3c3bfb8586f848317ceba5d777e11204ba3e5758
- https://git.kernel.org/stable/c/5a341810a22e51c3a7a108f7896b5fd58d44d127
- https://git.kernel.org/stable/c/88ec6d11052da527eb9268831e7a9bc5bbad02f6
- https://git.kernel.org/stable/c/a609bfc1e644a8467cb31945ed1488374ebdc013