CVEvulnerability

CVE-2021-20320

5.5 MEDIUM Published 2022-02-18 Modified 2026-10-08 Official page ↗
Status
Modified
Published
2022-02-18
Last modified
2026-10-08
Assigner
[email protected]
CVSS 3.1 ([email protected])
5.5 MEDIUM — CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:N/A:N
CVSS 2.0 ([email protected])
2.1 LOW — AV:L/AC:L/Au:N/C:P/I:N/A:N
Weaknesses
CWE-200

Description

A flaw was found in s390 eBPF JIT in bpf_jit_insn in arch/s390/net/bpf_jit_comp.c in the Linux kernel. In this flaw, a local attacker with special user privilege can circumvent the verifier and may lead to a confidentiality problem.

Affected configurations

• linux linux kernel (< 5.15) • linux linux kernel 5.15 • fedoraproject fedora 34 • redhat enterprise linux 7.0 • redhat enterprise linux 8.0

Related

Weakness · CWE (1)

  • CWE-200 Exposure of Sensitive Information to an Unauthorized Actor weakness

References