CVE-2013-7270 Information disclosure in n/a

What is CVE-2013-7270?

CVE-2013-7270 is a medium-severity vulnerability in Linux kernel, published on 6 Jan 2014. It can only be exploited from the same machine or local network, with no action from the victim.

Official 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.

Weakness: CWE-20

Which versions are affected by CVE-2013-7270?

It affects 1 product.

Products include Linux kernel.

How do I fix CVE-2013-7270?

Apply the vendor's patch.

Is CVE-2013-7270 being exploited?

There is no known exploitation of CVE-2013-7270 in the wild and no public exploit code.

Other vulnerabilities in Linux kernel

• CVE-2026-53266 Linux Kernel Out-of-Bounds Write Exploited High 8.8
• CVE-2013-6282 Linux Kernel Improper Input Validation Exploited High 8.8
• CVE-2022-0185 Linux Kernel Heap-Based Buffer Overflow Exploited High 8.4
• CVE-2013-2094 Linux Kernel Privilege Escalation Exploited High 8.4
• CVE-2026-53362 Linux Kernel Unspecified Exploited High 7.8

All Linux kernel vulnerabilities

Sources

• CVE record
• NVD
• OSV
• GitHub advisory
• How this page is made

Also known as DEBIAN-CVE-2013-7270, GHSA-hxfg-qj5j-8pf3.