What’s Vulnerable › Vulnerabilities

CVE-2013-3237

• Severity: medium (CVSS 4.9 v2.0)
• Exploited in the wild: not listed in CISA KEV
• EPSS: 0.4% probability of exploitation in the next 30 days
• Public exploit or detection template: none known
• Published: 2013-04-22 · updated 2026-06-16
• Weakness: CWE-200

Description

The vsock_stream_sendmsg function in net/vmw_vsock/af_vsock.c in the Linux kernel before 3.9-rc7 does not initialize a certain length variable, which allows local users to obtain sensitive information from kernel stack memory via a crafted recvmsg or recvfrom system call.

Affected products

• Linux kernel: through 3.9; 3.9-rc1, 3.9-rc2, 3.9-rc3, 3.9-rc4, 3.9-rc5

References

• http://git.kernel.org/?p=linux/kernel/git/torvalds/linux-2.6.git%3Ba=commit%3Bh=d5e0d0f607a7a029c6563a0470d88255c89a8d11
• http://www.openwall.com/lists/oss-security/2013/04/14/3
• https://github.com/torvalds/linux/commit/d5e0d0f607a7a029c6563a0470d88255c89a8d11
• https://lkml.org/lkml/2013/4/14/107
• http://git.kernel.org/?p=linux/kernel/git/torvalds/linux-2.6.git%3Ba=commit%3Bh=d5e0d0f607a7a029c6563a0470d88255c89a8d11
• http://www.openwall.com/lists/oss-security/2013/04/14/3
• https://github.com/torvalds/linux/commit/d5e0d0f607a7a029c6563a0470d88255c89a8d11
• https://lkml.org/lkml/2013/4/14/107

Get alerted when CVE-2013-3237 or the next vulnerability affects your stack