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MEDIUM

Kernel: net: leakage of uninitialized memory to user-space via recv syscalls

Published Jan 6, 2014

Description

The pn_recvmsg function in net/phonet/datagram.c in the Linux kernel before 3.12.4 updates a certain length value before ensuring that an associated data structure has been initialized, which allows local users to obtain sensitive information from kernel stack memory via a (1) recvfrom, (2) recvmmsg, or (3) recvmsg system call.

Affected products

Remediation

Red Hat statement

This issue does not affect the version of the kernel package as shipped with Red Hat Enterprise Linux 5.

Metrics

References (24)

Change history (0)

No recorded changes yet.

Sources
CVE.org / MITRE
Status PUBLISHED
Assigner mitre
Published Jan 6, 2014
Updated Aug 6, 2024
Reserved Jan 5, 2014
NVD
Status Modified
Modified Jun 17, 2026
Red Hat
Severity Low
Public date Nov 18, 2013