USN-6541-2: GNU C Library regression
Severity
medium
Vendor
VMware Tanzu
Versions Affected
- Canonical Ubuntu 22.04
Description
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.
Fixed VMware Products and Versions
- Cflinuxfs4
- All+1.64.0 or greater
- Isolation Segment
- 4.0.15+LTS-T or greater
- 5.0.5 or greater
- Operations Manager
- 3.0.24+LTS-T or greater
- VMware Tanzu Application Service for VMs
- 4.0.15+LTS-T or greater
- 5.0.6 or greater
- Jammy Stemcells
- 1.351 or greater
References
https://ubuntu.com/security/notices/USN-6541-2
https://www.cloudfoundry.org/blog/usn-6541-2
https://cve.mitre.org/cgi-bin/cvename.cgi?name=usn-6541-2
History
2024-01-10: Initial vulnerability report published.