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.
History

No history.

cve-icon MITRE

Status: PUBLISHED

Assigner: mitre

Published: 2021-09-20T05:25:30

Updated: 2024-08-04T01:37:16.284Z

Reserved: 2021-08-09T00:00:00

Link: CVE-2021-38300

cve-icon Vulnrichment

No data.

cve-icon NVD

Status : Analyzed

Published: 2021-09-20T06:15:06.623

Modified: 2023-03-01T20:15:51.363

Link: CVE-2021-38300

cve-icon Redhat

Severity : Important

Publid Date: 2021-09-14T00:00:00Z

Links: CVE-2021-38300 - Bugzilla