CVE-2013-7270

Kernel: net: information leak in recvmsg handler msg_name & msg_namelen logic

Published Jan 6, 2014 CVSS 2.0 · 4.9 Medium EPSS < 1% KEV · Not listed
Description
The packet_recvmsg function in net/packet/af_packet.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 memory via a (1) recvfrom, (2) recvmmsg, or (3) recvmsg system call.

Remediation

No solution or workaround provided in the CVE record

Tracking

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Advisories

Source ID Title
EUVD EUVD EUVD-2013-7048 The packet_recvmsg function in net/packet/af_packet.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 memory via a (1) recvfrom, (2) recvmmsg, or (3) recvmsg system call.
Ubuntu USN Ubuntu USN USN-2109-1 Linux kernel vulnerabilities
Ubuntu USN Ubuntu USN USN-2110-1 Linux kernel (OMAP4) vulnerabilities
Ubuntu USN Ubuntu USN USN-2113-1 Linux kernel (Saucy HWE) vulnerabilities
Ubuntu USN Ubuntu USN USN-2117-1 Linux kernel vulnerabilities
Ubuntu USN Ubuntu USN USN-2128-1 Linux kernel vulnerabilities
Ubuntu USN Ubuntu USN USN-2129-1 Linux kernel (EC2) vulnerabilities
Ubuntu USN Ubuntu USN USN-2135-1 Linux kernel (Quantal HWE) vulnerabilities
Ubuntu USN Ubuntu USN USN-2136-1 Linux kernel (Raring HWE) vulnerabilities
Ubuntu USN Ubuntu USN USN-2138-1 Linux kernel vulnerabilities
Ubuntu USN Ubuntu USN USN-2139-1 Linux kernel (OMAP4) vulnerabilities
Ubuntu USN Ubuntu USN USN-2141-1 Linux kernel (OMAP4) vulnerabilities
History

No history.

Weaknesses

Sources

Status
PUBLISHED
Assigner
mitre
Published
Updated
Aug 6, 2024, 6:01 PM
Reserved
Jan 5, 2014, 12:00 AM
Status
Modified
Published
Jan 6, 2014, 4:55 PM
Modified
Jun 17, 2026, 12:01 AM
Severity
Low
Public date
Nov 21, 2013, 12:00 AM