========================================================================== Ubuntu Security Notice USN-7541-1 May 28, 2025
glibc vulnerability
==========================================================================
A security issue affects these releases of Ubuntu and its derivatives:
- Ubuntu 22.04 LTS
- Ubuntu 20.04 LTS
- Ubuntu 18.04 LTS
Summary:
GNU C Library could be made to crash or run programs if it processed
specially crafted dynamically shared library.
Software Description:
- glibc: GNU C Library
Details:
It was discovered that the GNU C Library incorrectly search LD_LIBRARY_PATH
to determine which library to load when statically linked setuid binary
calls dlopen. A local attacker could possibly use this issue to cause a
denial of service or execute arbitrary code.
Update instructions:
The problem can be corrected by updating your system to the following
package versions:
Ubuntu 22.04 LTS
libc6 2.35-0ubuntu3.10
Ubuntu 20.04 LTS
libc6 2.31-0ubuntu9.18
Ubuntu 18.04 LTS
libc6 2.27-3ubuntu1.6+esm5
Available with Ubuntu Pro
In general, a standard system update will make all the necessary changes.
References:
https://ubuntu.com/security/notices/USN-7541-1
CVE-2025-4802
Package Information:
https://launchpad.net/ubuntu/+source/glibc/2.35-0ubuntu3.10
https://launchpad.net/ubuntu/+source/glibc/2.31-0ubuntu9.18
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