Tracker / CVE-2021-41864
CVE-2021-41864
High 7.8
prealloc_elems_and_freelist in kernel/bpf/stackmap.c in the Linux kernel before 5.14.12 allows unprivileged users to trigger an eBPF multiplication integer overflow with a resultant out-of-bounds write.
Affected products and versions
| debian | debian_linux |
|---|---|
| fedoraproject | fedora |
| linux | linux_kernel · 4.10 → 4.14.251 |
| linux | linux_kernel · 4.15 → 4.19.211 |
| linux | linux_kernel · 4.20 → 5.4.153 |
| linux | linux_kernel · 4.6 → 4.9.287 |
| linux | linux_kernel · 5.11 → 5.14.12 |
| linux | linux_kernel · 5.5 → 5.10.73 |
| netapp | cloud_backup |
| netapp | h300e_firmware |
| netapp | h300s_firmware |
| netapp | h410c_firmware |
| netapp | h410s_firmware |
| netapp | h500e_firmware |
| netapp | h500s_firmware |
| netapp | h700e_firmware |
| netapp | h700s_firmware |
| netapp | hci_management_node |
| netapp | solidfire |
| netapp | solidfire_baseboard_management_controller_firmware |
Analysis
This page is not indexable yet.Until it carries original analysis — what it actually exposes, how to check in two minutes whether a system was touched, what to do if it was — the page stays noindex. The database decides that, not the template.