CVE-2021-4135

Medium

Description

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.

SeverityMedium
CVSS5.5
Exploit probability—
ProductLinux Kernel
PublishedJul 14, 2022
First seenJul 14, 2022

How to fix

Update
  • linux linux_kernel5.16 or later

Affected products

ProductAffected versionsFixed in
linux linux_kernelv < 5.16, 5.165.16

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CVE-2021-4135 · Linux Kernel · Dark Radar