CVE-2021-47358
High
Description
In the Linux kernel, the following vulnerability has been resolved: staging: greybus: uart: fix tty use after free User space can hold a tty open indefinitely and tty drivers must not release the underlying structures until the last user is gone. Switch to using the tty-port reference counter to manage the life time of the greybus tty state to avoid use after free after a disconnect.
SeverityHigh
CVSS7.8
Exploit probability16. percentile0.2%
Product
Linux Kernel
PublishedMay 21, 2024
First seenMay 21, 2024
How to fix
Update
- linux linux_kernel4.9.285, 4.14.249, 4.19.209, 5.4.150, 5.10.70, 5.14.9 or later
Affected products
| Product | Affected versions | Fixed in |
|---|---|---|
| linux linux_kernel | 4.9 ≤ v < 4.9.285, 4.10 ≤ v < 4.14.249, 4.15 ≤ v < 4.19.209, 4.20 ≤ v < 5.4.150, 5.5 ≤ v < 5.10.70, 5.11 ≤ v < 5.14.9, 5.15 | 4.9.285, 4.14.249, 4.19.209, 5.4.150, 5.10.70, 5.14.9 |
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