CVE-2013-4127

Severity: medium (CVSS 4.7 v2.0)
Exploited in the wild: not listed in CISA KEV
EPSS: 0.5% probability of exploitation in the next 30 days
Public exploit or detection template: yes
Published: 2013-07-29 · updated 2026-06-16
Weakness: CWE-399

Description

Use-after-free vulnerability in the vhost_net_set_backend function in drivers/vhost/net.c in the Linux kernel through 3.10.3 allows local users to cause a denial of service (OOPS and system crash) via vectors involving powering on a virtual machine.

Affected products

Linux kernel: through 3.10.3; 3.0-rc1, 3.0-rc2, 3.0-rc3, 3.0-rc4, 3.0-rc5, 3.0-rc6 (+241)

References

http://git.kernel.org/?p=linux/kernel/git/torvalds/linux-2.6.git%3Ba=commit%3Bh=dd7633ecd553a5e304d349aa6f8eb8a0417098c5
http://www.openwall.com/lists/oss-security/2013/07/15/7
https://bugzilla.redhat.com/show_bug.cgi?id=980643
https://bugzilla.redhat.com/show_bug.cgi?id=984722
https://github.com/torvalds/linux/commit/dd7633ecd553a5e304d349aa6f8eb8a0417098c5
http://git.kernel.org/?p=linux/kernel/git/torvalds/linux-2.6.git%3Ba=commit%3Bh=dd7633ecd553a5e304d349aa6f8eb8a0417098c5
http://www.openwall.com/lists/oss-security/2013/07/15/7
https://bugzilla.redhat.com/show_bug.cgi?id=980643
https://bugzilla.redhat.com/show_bug.cgi?id=984722
https://github.com/torvalds/linux/commit/dd7633ecd553a5e304d349aa6f8eb8a0417098c5

Get alerted when CVE-2013-4127 or the next vulnerability affects your stack