Alerts This Week
Warning Icon 1 1,394
Alerts This Week
Warning Icon 1 1,394

Critical DoS Vulnerability in glibc: Ubuntu 22.04 LTS USN-7541-1 Alert

ubuntu
Calendar Grey May 28, 2025
Dist Ubuntu Esm H88
Ubuntu Security Notice USN-7542-1 tackles a glibc flaw that could lead to system instability or unauthorized code execution in specific releases.
GNU C Library could be made to crash or run programs if it processed specially crafted dynamically shared library.

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.

Topics%20covered

Topics Covered

security advisory denial of service security issue Ubuntu glibc dynamic library

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

Severity
critical
Lowest
Low
Medium
High
Critical

Ubuntu Security Notice USN-7541-1

Topics%20covered

Topics Covered

security advisory denial of service security issue Ubuntu glibc dynamic library

Package Information

https://launchpad.net/ubuntu/+source/glibc/2.35-0ubuntu3.10
https://launchpad.net/ubuntu/+source/glibc/2.31-0ubuntu9.18

Get the latest News and Insights

Get the latest Linux and open source security news straight to your inbox.

Your message here