[USN-6620-1] GNU C Library vulnerabilities

Marc Deslauriers marc.deslauriers at canonical.com
Thu Feb 1 13:11:19 UTC 2024

Ubuntu Security Notice USN-6620-1
February 01, 2024

glibc vulnerabilities

A security issue affects these releases of Ubuntu and its derivatives:

- Ubuntu 23.10


GNU C Library could be made to crash or run programs as an administrator
if it handled a specially crafted request.

Software Description:
- glibc: GNU C Library


It was discovered that the GNU C Library incorrectly handled the syslog()
function call. A local attacker could use this issue to execute arbitrary
code and possibly escalate privileges.

Update instructions:

The problem can be corrected by updating your system to the following
package versions:

Ubuntu 23.10:
   libc6                           2.38-1ubuntu6.1

After a standard system update you need to reboot your computer to make all
the necessary changes.

   CVE-2023-6246, CVE-2023-6779, CVE-2023-6780

Package Information:

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