CVSS3
Attack Vector
NETWORK
Attack Complexity
LOW
Privileges Required
NONE
User Interaction
NONE
Scope
UNCHANGED
Confidentiality Impact
NONE
Integrity Impact
NONE
Availability Impact
HIGH
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
AI Score
Confidence
Low
EPSS
Percentile
40.0%
Unknown
Canonical Ubuntu
USN-6541-1 fixed vulnerabilities in the GNU C Library. Unfortunately, changes made to allow proper application of the fix for CVE-2023-4806 in Ubuntu 22.04 LTS introduced an issue in the NSCD service IPv6 processing functionalities. This update fixes the problem. We apologize for the inconvenience. Original advisory details: It was discovered that the GNU C Library was not properly handling certain memory operations. An attacker could possibly use this issue to cause a denial of service (application crash). (CVE-2023-4806, CVE-2023-4813) It was discovered that the GNU C library was not properly implementing a fix for CVE-2023-4806 in certain cases, which could lead to a memory leak. An attacker could possibly use this issue to cause a denial of service (application crash). This issue only affected Ubuntu 22.04 LTS and Ubuntu 23.04. (CVE-2023-5156) Update Instructions: Run sudo pro fix USN-6541-2
to fix the vulnerability. The problem can be corrected by updating your system to the following package versions: libc-bin – 2.35-0ubuntu3.6 glibc-doc – 2.35-0ubuntu3.6 locales-all – 2.35-0ubuntu3.6 libc6-i386 – 2.35-0ubuntu3.6 libc6-s390 – 2.35-0ubuntu3.6 libc6-dev-i386 – 2.35-0ubuntu3.6 nscd – 2.35-0ubuntu3.6 libc6-dev-x32 – 2.35-0ubuntu3.6 libc6-dev – 2.35-0ubuntu3.6 libc6-amd64 – 2.35-0ubuntu3.6 libc6-x32 – 2.35-0ubuntu3.6 libc6-dev-amd64 – 2.35-0ubuntu3.6 libc-dev-bin – 2.35-0ubuntu3.6 libc6 – 2.35-0ubuntu3.6 libc6-prof – 2.35-0ubuntu3.6 libc-devtools – 2.35-0ubuntu3.6 glibc-source – 2.35-0ubuntu3.6 libc6-dev-s390 – 2.35-0ubuntu3.6 locales – 2.35-0ubuntu3.6 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:
2024-02-29: Initial vulnerability report published.
Vendor | Product | Version | CPE |
---|---|---|---|
cloudfoundry | cflinuxfs4 | * | cpe:2.3:a:cloudfoundry:cflinuxfs4:*:*:*:*:*:*:*:* |
cloudfoundry | jammy_stemcells | * | cpe:2.3:a:cloudfoundry:jammy_stemcells:*:*:*:*:*:*:*:* |
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
NONE
Integrity Impact
NONE
Availability Impact
HIGH
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
AI Score
Confidence
Low
EPSS
Percentile
40.0%