Linux Advisory Watch: April 29, 2022

Advisories

Linux Advisory Watch: April 29, 2022

Happy Friday fellow Linux geeks! This week, important updates have been issued for zlib, the Linux kernel and Bash. Read on to learn about these vulnerabilities and how to secure your system against them. 

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Yours in Open Source,

Brittany Signature 150

zlib

The Discovery 

A flaw was found in zlib v1.2.2.2 through zlib v1.2.11 when compressing certain inputs (CVE-2018-25032).

Zlib

The Impact

This vulnerability could allow for memory corruption when deflating (i.e., when compressing) if the input has many distant matches.

The Fix

A security update that mitigates this issue is now available. Update as soon as possible to protect the security and integrity of your systems.

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Linux Kernel

The Discovery 

Two important security vulnerabilities have been discovered in the Linux kernel (CVE-2022-27666 and CVE-2022-22942).
LinuxKernel

The Impact

These flaws could result in buffer overflow attacks and local privilege escalation.

The Fix

An update has been released that fixes these dangerous bugs. We recommend that you update promptly to protect against attacks and compromise.

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Bash

The Discovery

It was discovered that Bash did not properly drop privileges when the binary had the setuid bit enabled (CVE-2019-18276).

The ImpactBash

An attacker could potentially exploit this flaw to escalate privileges.

The Fix

A Bash security update that fixes this bug has been released. Update now to protect the security and integrity of your systems.

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