CVE-2019-20812
Medium
Description
An issue was discovered in the Linux kernel before 5.4.7. The prb_calc_retire_blk_tmo() function in net/packet/af_packet.c can result in a denial of service (CPU consumption and soft lockup) in a certain failure case involving TPACKET_V3, aka CID-b43d1f9f7067.
SeverityMedium
CVSS5.5
Exploit probability—
Product
Linux Kernel
PublishedJun 3, 2020
First seenJun 3, 2020
How to fix
Update
- linux linux_kernel5.4.7 or later
Affected products
| Product | Affected versions | Fixed in |
|---|---|---|
| linux linux_kernel | v < 5.4.7 | 5.4.7 |
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