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Ubuntu 22.10: USN-5731-1 Critical: Multipath-Tools Access Control Issues

ubuntu
Calendar Grey November 17, 2022
Dist Ubuntu Esm H88
Numerous vulnerabilities resolved in network-manager impact Ubuntu versions 20.04 through 22.10, potentially increasing escalation hazards.
Several security issues were fixed in multipath-tools.

Summary

Several security issues were fixed in multipath-tools.

Software Description:

- multipath-tools: maintain multipath block device access

Details:

It was discovered that multipath-tools incorrectly handled symlinks. A

local attacker could possibly use this issue, in combination with other

issues, to escalate privileges. This issue only affected Ubuntu 20.04 LTS,

Ubuntu 22.04 LTS, and Ubuntu 22.10. (CVE-2022-41973)

It was discovered that multipath-tools incorrectly handled access controls.

A local attacker could possibly use this issue, in combination with other

issues, to escalate privileges. (CVE-2022-41974)

Topics%20covered

Topics Covered

security advisory privilege escalation access control Ubuntu update instructions multipath-tools November 2022

Update Instructions

The problem can be corrected by updating your system to the following
package versions:

Ubuntu 22.10:
   multipath-tools                 0.8.8-1ubuntu1.22.10.1

Ubuntu 22.04 LTS:
   multipath-tools                 0.8.8-1ubuntu1.22.04.1

Ubuntu 20.04 LTS:
   multipath-tools                 0.8.3-1ubuntu2.1

Ubuntu 18.04 LTS:
   multipath-tools                 0.7.4-2ubuntu3.2

In general, a standard system update will make all the necessary changes.

References

https://ubuntu.com/security/notices/USN-5731-1

CVE-2022-41973, CVE-2022-41974

Severity
critical
Lowest
Low
Medium
High
Critical

November 17, 2022

Topics%20covered

Topics Covered

security advisory privilege escalation access control Ubuntu update instructions multipath-tools November 2022

Package Information

https://launchpad.net/ubuntu/+source/multipath-tools/0.8.8-1ubuntu1.22.10.1
https://launchpad.net/ubuntu/+source/multipath-tools/0.8.3-1ubuntu2.1
https://launchpad.net/ubuntu/+source/multipath-tools/0.7.4-2ubuntu3.2

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