CVE-2012-6542: The llc_ui_getname function in net/llc/af_llc.c in the Linux kernel before 3.6 has an incorrect return valu...

Security readout for executives and security teams

CVE-2012-6542 is a Linux kernel information leak. A local user could run a crafted application that causes the kernel to expose data from stack memory. It does not describe remote access or direct system takeover, but leaked kernel memory can reduce defenses against other attacks. Exposure is most likely on legacy Linux systems running kernels before 3.6, or vendor backport kernels that have not received the referenced fixes. Systems with untrusted local users, shared hosting, CI runners, or application execution environments have higher practical exposure. Treat as a moderate legacy kernel risk. It is not evidenced as actively exploited, but it can expose sensitive kernel memory and may assist chained local attacks. Patch during kernel maintenance, faster for shared systems. Mitigation focus: Apply the relevant vendor kernel security update for affected systems.; Upgrade legacy kernels to a fixed release or supported vendor backport.; Prioritize shared or multi-user Linux hosts before single-user systems..

Prepared

Jun 24, 2026, 11:46 UTC (UTC+00:00)

Generated from the cited source records. This long-tail analysis has not been individually reviewed by a named human.