CVE-2013-7270: The packet_recvmsg function in net/packet/af_packet.c in the Linux kernel before 3.12.4 updates a certain l...

Security readout for executives and security teams

This is a Linux kernel information disclosure flaw. A local user could trigger certain receive system calls and read sensitive data from kernel memory. The source bundle does not show remote exploitation, privilege escalation, CVSS scoring, or active exploitation evidence. Exposure is most relevant on Linux systems with kernels before 3.12.4 or vendor kernels that had not backported the fix. Shared servers, multi-user systems, and environments allowing untrusted local code deserve priority review. Handle this as a routine but real kernel confidentiality risk. It is not presented as remotely exploitable or actively exploited in the supplied sources, but outdated shared Linux systems should be patched because kernel memory exposure can support broader compromise chains. Mitigation focus: Check vendor advisories for fixed kernel packages covering CVE-2013-7270.; Upgrade to a vendor-fixed kernel or a kernel containing the 3.12.4 fix.; Reboot systems so the fixed kernel is actually running..

Prepared

Jun 14, 2026, 14:50 UTC (UTC+00:00)

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