CVSS v3
7.8
HIGH
EPSS Score
26.6%
exploit probability
CISA KEV
No
known exploited
Exploitation
—
SSVC status
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)
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)
Active exploitation of CVE-2020-8835 has not been confirmed. The EPSS score is 26.6%, indicating the estimated probability of exploitation in the next 30 days.
CVE-2020-8835 has a CVSS v3 base score of 7.8 (HIGH severity).
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Ranked by exploit probability (EPSS).