CVE Database›Document archive›CVE-2013-7263

CVE-2013-7263

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

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Severity

Low

Red Hat Product Security

2.1

CVSS 2.0

Review impact separately from score.

Published · November 18, 2013

Updated · November 21, 2025

Description

The Linux kernel before 3.12.4 updates certain length values before ensuring that associated data structures have 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, related to net/ipv4/ping.c, net/ipv4/raw.c, net/ipv4/udp.c, net/ipv6/raw.c, and net/ipv6/udp.c.

CVSS score applicability

The CVSS score(s) listed for this vulnerability do not reflect the associated product's status, and are included for informational purposes to better understand the severity of this vulnerability.

Mitigation

No mitigation is specified in collected source.

CVSS / CWE

CVSS 2.0 · 2.1
AV:L/AC:L/Au:N/C:P/I:N/A:N

CWE not specified