A memory leak vulnerability was found in the Linux kernel's eBPF for the Simulated networking device driver in the way user uses BPF for the device such that function nsim_map_alloc_elem being called. A local user could use this flaw to get unauthorized access to some data.
Published 2022-07-14 20:15:08
Updated 2022-07-20 14:05:54
Source Red Hat, Inc.
View at NVD,   CVE.org
Vulnerability category: BypassInformation leak

Exploit prediction scoring system (EPSS) score for CVE-2021-4135

0.04%
Probability of exploitation activity in the next 30 days EPSS Score History
~ 6 %
Percentile, the proportion of vulnerabilities that are scored at or less

CVSS scores for CVE-2021-4135

Base Score Base Severity CVSS Vector Exploitability Score Impact Score Score Source First Seen
5.5
MEDIUM CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:N/A:N
1.8
3.6
NIST

CWE ids for CVE-2021-4135

References for CVE-2021-4135

Products affected by CVE-2021-4135

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