CVE-2021-20320

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.
Configurations

Configuration 1 (hide)

OR cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*
cpe:2.3:o:linux:linux_kernel:5.15:-:*:*:*:*:*:*
cpe:2.3:o:linux:linux_kernel:5.15:rc1:*:*:*:*:*:*
cpe:2.3:o:linux:linux_kernel:5.15:rc2:*:*:*:*:*:*

Configuration 2 (hide)

cpe:2.3:o:fedoraproject:fedora:34:*:*:*:*:*:*:*

Configuration 3 (hide)

OR cpe:2.3:o:redhat:enterprise_linux:7.0:*:*:*:*:*:*:*
cpe:2.3:o:redhat:enterprise_linux:8.0:*:*:*:*:*:*:*

History

21 Nov 2024, 05:46

Type Values Removed Values Added
References () https://bugzilla.redhat.com/show_bug.cgi?id=2010090 - Issue Tracking, Third Party Advisory () https://bugzilla.redhat.com/show_bug.cgi?id=2010090 - Issue Tracking, Third Party Advisory
References () https://lore.kernel.org/bpf/20210902185229.1840281-1-johan.almbladh%40anyfinetworks.com/ - () https://lore.kernel.org/bpf/20210902185229.1840281-1-johan.almbladh%40anyfinetworks.com/ -

07 Nov 2023, 03:29

Type Values Removed Values Added
References
  • {'url': 'https://lore.kernel.org/bpf/20210902185229.1840281-1-johan.almbladh@anyfinetworks.com/', 'name': 'https://lore.kernel.org/bpf/20210902185229.1840281-1-johan.almbladh@anyfinetworks.com/', 'tags': ['Patch', 'Vendor Advisory'], 'refsource': 'MISC'}
  • () https://lore.kernel.org/bpf/20210902185229.1840281-1-johan.almbladh%40anyfinetworks.com/ -

30 Jun 2023, 16:57

Type Values Removed Values Added
CWE CWE-200 NVD-CWE-Other

Information

Published : 2022-02-18 18:15

Updated : 2024-11-21 05:46


NVD link : CVE-2021-20320

Mitre link : CVE-2021-20320

CVE.ORG link : CVE-2021-20320


JSON object : View

Products Affected

fedoraproject

  • fedora

linux

  • linux_kernel

redhat

  • enterprise_linux
CWE
CWE-200

Exposure of Sensitive Information to an Unauthorized Actor

NVD-CWE-Other