cve 2023 4911

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CVE-2023-4911, also known as Looney Tunables, is a critical buffer overflow vulnerability in the GNU C Library's dynamic loader (ld.so). It allows local attackers to escalate privileges to root by exploiting specially crafted GLIBC_TUNABLES environment variables. This flaw affects many mainstream Linux distributions and requires patching or mitigation to prevent exploitation. Discussions on WindowsForum cover the technical details of the vulnerability, its impact on Linux systems, and steps to secure affected environments.

  1. Looney Tunables CVE-2023-4911: Glibc ld.so Buffer Overflow Privilege Escalation

    A deep, exploitable buffer overflow in the GNU C Library’s dynamic loader — triggered by specially crafted GLIBC_TUNABLES environment values — lets local attackers escalate to root on many mainstream Linux distributions unless systems are patched or mitigated. Background / Overview The GNU C...
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