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ubuntuUbuntuUSN-5583-2
HistorySep 14, 2022 - 12:00 a.m.

systemd regression

2022-09-1400:00:00
ubuntu.com
29
ubuntu
systemd
networking
regression
cve-2022-2526

9.8 High

CVSS3

Attack Vector

NETWORK

Attack Complexity

LOW

Privileges Required

NONE

User Interaction

NONE

Scope

UNCHANGED

Confidentiality Impact

HIGH

Integrity Impact

HIGH

Availability Impact

HIGH

CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H

10 High

AI Score

Confidence

High

0.002 Low

EPSS

Percentile

59.7%

Releases

  • Ubuntu 18.04 ESM

Packages

  • systemd - system and service manager

Details

USN-5583-1 fixed vulnerabilities in systemd. Unfortunately this caused a
regression by introducing networking problems for some users. This update fixes
the problem.

We apologize for the inconvenience.

Original advisory details:

It was discovered that systemd incorrectly handled certain DNS requests,
which leads to user-after-free vulnerability. An attacker could possibly use
this issue to cause a crash or execute arbitrary code. (CVE-2022-2526)

9.8 High

CVSS3

Attack Vector

NETWORK

Attack Complexity

LOW

Privileges Required

NONE

User Interaction

NONE

Scope

UNCHANGED

Confidentiality Impact

HIGH

Integrity Impact

HIGH

Availability Impact

HIGH

CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H

10 High

AI Score

Confidence

High

0.002 Low

EPSS

Percentile

59.7%