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CVE-2022-2929

Publication date 5 October 2022

Last updated 24 July 2024

Ubuntu priority

Medium

Why this priority?

Cvss 3 Severity Score

6.5 · Medium

Score breakdown

In ISC DHCP 1.0 -> 4.4.3, ISC DHCP 4.1-ESV-R1 -> 4.1-ESV-R16-P1 a system with access to a DHCP server, sending DHCP packets crafted to include fqdn labels longer than 63 bytes, could eventually cause the server to run out of memory.

Status

Package Ubuntu Release Status
isc-dhcp 22.10 kinetic
Fixed 4.4.3-2ubuntu4
22.04 LTS jammy
Fixed 4.4.1-2.3ubuntu2.3
20.04 LTS focal
Fixed 4.4.1-2.1ubuntu5.20.04.4
18.04 LTS bionic
Fixed 4.3.5-3ubuntu7.4
16.04 LTS xenial
14.04 LTS trusty

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Severity score breakdown

Parameter Value
Base score 6.5 · Medium
Attack vector Adjacent
Attack complexity Low
Privileges required None
User interaction None
Scope Unchanged
Confidentiality None
Integrity impact None
Availability impact High
Vector CVSS:3.1/AV:A/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H

References

Related Ubuntu Security Notices (USN)

Other references