CVE-2020-8835: exploitation status and patch state
CVE-2020-8835 · CVSS 7.8 HIGH · EPSS 6%
In the Linux kernel 5.5.0 and newer, the bpf verifier (kernel/bpf/verifier.c) did not properly restrict the register bounds for 32-bit operations, leading to out-of-bounds reads and writes in kernel memory. The vulnerability also affects the Linux 5.4 stable series, starting with v5.4.7, as the introducing commit was backported to that branch. This vulnerability was fixed in 5.6.1, 5.5.14, and 5.4.29. (issue is aka ZDI-CAN-10780)
Is CVE-2020-8835 exploited?
Not in the CISA KEV catalog.
EPSS puts exploitation in the next 30 days at 6%.
Public exploit code: none found in monitored sources.