CVE-2020-27830
Medium
Description
A vulnerability was found in Linux Kernel where in the spk_ttyio_receive_buf2() function, it would dereference spk_ttyio_synth without checking whether it is NULL or not, and may lead to a NULL-ptr deref crash.
SeverityMedium
CVSS5.5
Exploit probability—
Product
Linux Kernel
PublishedMay 13, 2021
First seenMay 13, 2021
Weakness typeCWE-476NULL pointer dereference
How to fix
Update
- linux linux_kernel5.9.14 or later
Vendor advisories
Affected products
| Product | Affected versions | Fixed in |
|---|---|---|
| linux linux_kernel | v < 5.9.14 | 5.9.14 |
| debian debian_linux | 9.0, 10.0 | — |
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