Orta CVSS 4.1
CVE-2021-4001: Linux Kernel: güvenlik açığı
Açıklama (NVD)
A race condition was found in the Linux kernel's ebpf verifier between bpf_map_update_elem and bpf_map_freeze due to a missing lock in kernel/bpf/syscall.c. In this flaw, a local user with a special privilege (cap_sys_admin or cap_bpf) can modify the frozen mapped address space. This flaw affects kernel versions prior to 5.16 rc2.
Özet bilgiler
- Ürün
- Linux Linux Kernel
- CVSS v3.1
- 4.1
CVSS:3.1/AV:L/AC:H/PR:H/UI:N/S:U/C:N/I:H/A:N - EPSS
- %0,19 (yüzdelik 8)
- CWE
- CWE-367
- Yama
- Mevcut
Etkilenen sürümler
| Ürün | Başlangıç | Bitiş | Düzeltildi |
|---|---|---|---|
| linux-linux-kernel | — | 5.15 | — |
| linux-linux-kernel | 5.16 | 5.16 | — |