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CVE-2021-20320

CVSS v3.1 5.5 (Medium)
55% Progress
CVSS v2.0 2.1 (Low)
21% Progress
EPSS 0.04 % (5th)
0.04% Progress
Affected Products 3
Advisories 3
Info CVSS EPSS CAPEC Affected Configurations References Security Advisories Packages & Software OVAL Tools, Exploits & PoC Graph Web & Social Timeline

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.

Weaknesses
CWE-200
Exposure of Sensitive Information to an Unauthorized Actor
CWE-NVD-Other
CVE Status
PUBLISHED
CNA
Red Hat, Inc.
Published Date
2022-02-18 18:15:08
(2 years ago)
Updated Date
2023-11-07 03:29:05
(10 months ago)

Affected Products

Fedoraproject

Linux

Redhat

Configuration #1

    CPE23 From Up To
  Linux Kernel prior 5.15 version cpe:2.3:o:linux:linux_kernel < 5.15
  Linux Kernel 5.15 cpe:2.3:o:linux:linux_kernel:5.15:-
  Linux Kernel 5.15 Rc1 cpe:2.3:o:linux:linux_kernel:5.15:rc1
  Linux Kernel 5.15 Rc2 cpe:2.3:o:linux:linux_kernel:5.15:rc2

Configuration #2

    CPE23 From Up To
  Fedoraproject Fedora 34 cpe:2.3:o:fedoraproject:fedora:34

Configuration #3

    CPE23 From Up To
  Redhat Enterprise Linux 7.0 cpe:2.3:o:redhat:enterprise_linux:7.0
  Redhat Enterprise Linux 8.0 cpe:2.3:o:redhat:enterprise_linux:8.0