USN-6541-2

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Source
https://ubuntu.com/security/notices/USN-6541-2
Import Source
https://github.com/canonical/ubuntu-security-notices/blob/main/osv/USN-6541-2.json
JSON Data
https://api.osv.dev/v1/vulns/USN-6541-2
Published
2024-01-10T13:10:15.919044Z
Modified
2024-01-10T13:10:15.919044Z
Summary
glibc regression
Details

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)

References

Affected packages

Ubuntu:22.04:LTS / glibc

Package

Name
glibc

Affected ranges

Type
ECOSYSTEM
Events
Introduced
0Unknown introduced version / All previous versions are affected
Fixed
2.35-0ubuntu3.6

Ecosystem specific

{
    "availability": "No subscription needed",
    "binaries": [
        {
            "libc6": "2.35-0ubuntu3.6",
            "libc6-dev": "2.35-0ubuntu3.6",
            "libc-bin": "2.35-0ubuntu3.6",
            "libc6-i386": "2.35-0ubuntu3.6",
            "libc6-dev-x32": "2.35-0ubuntu3.6",
            "libc6-dev-s390": "2.35-0ubuntu3.6",
            "libc6-dev-i386": "2.35-0ubuntu3.6",
            "libc6-amd64": "2.35-0ubuntu3.6",
            "locales-all": "2.35-0ubuntu3.6",
            "libc6-x32": "2.35-0ubuntu3.6",
            "libc6-prof": "2.35-0ubuntu3.6",
            "libc-dev-bin": "2.35-0ubuntu3.6",
            "glibc-source": "2.35-0ubuntu3.6",
            "libc6-s390": "2.35-0ubuntu3.6",
            "libc6-dev-amd64": "2.35-0ubuntu3.6",
            "libc-devtools": "2.35-0ubuntu3.6",
            "nscd": "2.35-0ubuntu3.6",
            "glibc-doc": "2.35-0ubuntu3.6",
            "locales": "2.35-0ubuntu3.6"
        }
    ]
}