CVE-2013-7263 Information disclosure in n/a

What is CVE-2013-7263?

CVE-2013-7263 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 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.

Weakness: CWE-20

Which versions are affected by CVE-2013-7263?

It affects 1 product.

Products include Linux kernel.

How do I fix CVE-2013-7263?

Apply the vendor's patch.

Is CVE-2013-7263 being exploited?

There is no known exploitation of CVE-2013-7263 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 CVE-2013-6405, DEBIAN-CVE-2013-7263, GHSA-fp24-vc7q-88fj.