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
EPSS
Percentile
59.6%
Unknown
Canonical Ubuntu
USN-5583-1 fixed vulnerabilities in systemd. Unfortunately this caused a regression by introducing netowrking 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) Update Instructions: Run sudo ua fix USN-5583-2
to fix the vulnerability. The problem can be corrected by updating your system to the following package versions: systemd-tests – 237-3ubuntu10.56 systemd-coredump – 237-3ubuntu10.56 systemd – 237-3ubuntu10.56 libsystemd0 – 237-3ubuntu10.56 systemd-container – 237-3ubuntu10.56 libnss-myhostname – 237-3ubuntu10.56 libudev1 – 237-3ubuntu10.56 libsystemd-dev – 237-3ubuntu10.56 libnss-systemd – 237-3ubuntu10.56 systemd-journal-remote – 237-3ubuntu10.56 libpam-systemd – 237-3ubuntu10.56 libnss-mymachines – 237-3ubuntu10.56 libnss-resolve – 237-3ubuntu10.56 systemd-sysv – 237-3ubuntu10.56 udev – 237-3ubuntu10.56 libudev-dev – 237-3ubuntu10.56 No subscription required
Severity is unknown unless otherwise noted.
Users of affected products are strongly encouraged to follow the mitigations below. The Cloud Foundry project recommends upgrading the following releases:
2022-09-29: Initial vulnerability report published.
Vendor | Product | Version | CPE |
---|---|---|---|
cloudfoundry | bionic_stemcells | * | cpe:2.3:a:cloudfoundry:bionic_stemcells:*:*:*:*:*:*:*:* |
cloudfoundry | cflinuxfs3 | * | cpe:2.3:a:cloudfoundry:cflinuxfs3:*:*:*:*:*:*:*:* |
cloudfoundry | cf-deployment | * | cpe:2.3:a:cloudfoundry:cf-deployment:*:*:*:*:*:*:*:* |
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
EPSS
Percentile
59.6%