CVEvulnerability

CVE-2021-38300

7.8 HIGH Published 2021-09-20 Modified 2026-06-17 Official page ↗
Status
Modified
Published
2021-09-20
Last modified
2026-06-17
Assigner
[email protected]
CVSS 3.1 ([email protected])
7.8 HIGH — CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
CVSS 2.0 ([email protected])
7.2 HIGH — AV:L/AC:L/Au:N/C:C/I:C/A:C

Description

arch/mips/net/bpf_jit.c in the Linux kernel before 5.4.10 can generate undesirable machine code when transforming unprivileged cBPF programs, allowing execution of arbitrary code within the kernel context. This occurs because conditional branches can exceed the 128 KB limit of the MIPS architecture.

Affected configurations

• linux linux kernel (>= 3.16 < 4.14.251) • linux linux kernel (>= 4.15 < 4.19.211) • linux linux kernel (>= 4.20 < 5.4.153) • linux linux kernel (>= 5.5 < 5.10.71) • linux linux kernel (>= 5.11 < 5.14.10) • netapp cloud backup • netapp h410c firmware • netapp h300s firmware • netapp h500s firmware • netapp h700s firmware • netapp h300e firmware • netapp h500e firmware • netapp h700e firmware • netapp h410s firmware • debian debian linux 9.0 • debian debian linux 10.0

References