5.5

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.
Daten sind bereitgestellt durch National Vulnerability Database (NVD)
Linux ≫ Linux Kernel Version < 5.15
Linux ≫ Linux Kernel Version 5.15 Update -
Linux ≫ Linux Kernel Version 5.15 Update rc1
Linux ≫ Linux Kernel Version 5.15 Update rc2
Fedoraproject ≫ Fedora Version 34
Redhat ≫ Enterprise Linux Version 7.0
Redhat ≫ Enterprise Linux Version 8.0
VulnDex Vulnerability Enrichment
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Zu dieser CVE wurde keine Warnung gefunden.
EPSS Metriken
Typ Quelle Score Percentile
EPSS FIRST.org 0.25% 0.165
CVSS Metriken
Quelle Base Score Exploit Score Impact Score Vector String
NIST 5.5 1.8 3.6
CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:N/A:N
NIST 2.1 3.9 2.9
AV:L/AC:L/Au:N/C:P/I:N/A:N
CWE-200 Exposure of Sensitive Information to an Unauthorized Actor

The product exposes sensitive information to an actor that is not explicitly authorized to have access to that information.

https://bugzilla.redhat.com/show_bug.cgi?id=2010090
Third Party Advisory
Issue Tracking
https://lore.kernel.org/bpf/20210902185229.1840281-1-johan.almbladh%40anyfinetworks.com/