Vulnerability Details CVE-2020-8835
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)
Exploit prediction scoring system (EPSS) score
EPSS Score 0.268
EPSS Ranking 96.0%
CVSS Severity
CVSS v3 Score 7.8
CVSS v2 Score 7.2
Products affected by CVE-2020-8835
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cpe:2.3:a:netapp:cloud_backup:-
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cpe:2.3:a:netapp:hci_management_node:-
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cpe:2.3:a:netapp:solidfire:-
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cpe:2.3:a:netapp:steelstore_cloud_integrated_storage:-
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cpe:2.3:h:netapp:fas2720:-
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cpe:2.3:h:netapp:fas2750:-
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cpe:2.3:o:canonical:ubuntu_linux:18.04
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cpe:2.3:o:canonical:ubuntu_linux:19.10
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cpe:2.3:o:fedoraproject:fedora:30
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cpe:2.3:o:fedoraproject:fedora:31
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cpe:2.3:o:fedoraproject:fedora:32
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cpe:2.3:o:linux:linux_kernel:5.4.10
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cpe:2.3:o:linux:linux_kernel:5.4.11
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cpe:2.3:o:linux:linux_kernel:5.4.12
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cpe:2.3:o:linux:linux_kernel:5.4.13
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cpe:2.3:o:linux:linux_kernel:5.4.14
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cpe:2.3:o:linux:linux_kernel:5.4.15
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cpe:2.3:o:linux:linux_kernel:5.4.16
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cpe:2.3:o:linux:linux_kernel:5.4.17
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cpe:2.3:o:linux:linux_kernel:5.4.18
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cpe:2.3:o:linux:linux_kernel:5.4.19
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cpe:2.3:o:linux:linux_kernel:5.4.20
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cpe:2.3:o:linux:linux_kernel:5.4.21
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cpe:2.3:o:linux:linux_kernel:5.4.22
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cpe:2.3:o:linux:linux_kernel:5.4.23
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cpe:2.3:o:linux:linux_kernel:5.4.24
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cpe:2.3:o:linux:linux_kernel:5.4.25
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cpe:2.3:o:linux:linux_kernel:5.4.26
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cpe:2.3:o:linux:linux_kernel:5.4.27
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cpe:2.3:o:linux:linux_kernel:5.4.28
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cpe:2.3:o:linux:linux_kernel:5.4.7
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cpe:2.3:o:linux:linux_kernel:5.4.8
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cpe:2.3:o:linux:linux_kernel:5.4.9
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cpe:2.3:o:linux:linux_kernel:5.5.0
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cpe:2.3:o:linux:linux_kernel:5.5.1
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cpe:2.3:o:linux:linux_kernel:5.5.10
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cpe:2.3:o:linux:linux_kernel:5.5.11
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cpe:2.3:o:linux:linux_kernel:5.5.12
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cpe:2.3:o:linux:linux_kernel:5.5.13
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cpe:2.3:o:linux:linux_kernel:5.5.2
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cpe:2.3:o:linux:linux_kernel:5.5.3
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cpe:2.3:o:linux:linux_kernel:5.5.4
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cpe:2.3:o:linux:linux_kernel:5.5.5
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cpe:2.3:o:linux:linux_kernel:5.5.6
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cpe:2.3:o:linux:linux_kernel:5.5.7
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cpe:2.3:o:linux:linux_kernel:5.5.8
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cpe:2.3:o:linux:linux_kernel:5.5.9
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cpe:2.3:o:linux:linux_kernel:5.6
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cpe:2.3:o:netapp:8300_firmware:-
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cpe:2.3:o:netapp:8700_firmware:-
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cpe:2.3:o:netapp:a220_firmware:-
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cpe:2.3:o:netapp:a320_firmware:-
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cpe:2.3:o:netapp:a400_firmware:-
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cpe:2.3:o:netapp:a700s_firmware:-
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cpe:2.3:o:netapp:a800_firmware:-
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cpe:2.3:o:netapp:c190_firmware:-
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cpe:2.3:o:netapp:fas2720_firmware:-
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cpe:2.3:o:netapp:fas2750_firmware:-
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cpe:2.3:o:netapp:h300e_firmware:-
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cpe:2.3:o:netapp:h300s_firmware:-
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cpe:2.3:o:netapp:h410s_firmware:-
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cpe:2.3:o:netapp:h500e_firmware:-
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cpe:2.3:o:netapp:h500s_firmware:-
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cpe:2.3:o:netapp:h610c_firmware:-
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cpe:2.3:o:netapp:h610s_firmware:-
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cpe:2.3:o:netapp:h615c_firmware:-
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cpe:2.3:o:netapp:h700e_firmware:-
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cpe:2.3:o:netapp:h700s_firmware:-