Vulnerability Description
In the Linux kernel before 5.5.8, get_raw_socket in drivers/vhost/net.c lacks validation of an sk_family field, which might allow attackers to trigger kernel stack corruption via crafted system calls.
CVSS Score
MEDIUM
Affected Products
| Vendor | Product | Versions |
|---|---|---|
| Linux | Linux Kernel | < 5.5.8 |
| Opensuse | Leap | 15.1 |
| Debian | Debian Linux | 8.0 |
| Canonical | Ubuntu Linux | 14.04 |
Related Weaknesses (CWE)
References
- http://lists.opensuse.org/opensuse-security-announce/2020-04/msg00035.htmlMailing ListThird Party Advisory
- http://www.openwall.com/lists/oss-security/2020/04/15/4Mailing ListThird Party Advisory
- https://cdn.kernel.org/pub/linux/kernel/v5.x/ChangeLog-5.5.8Release NotesVendor Advisory
- https://git.kernel.org/linus/42d84c8490f9f0931786f1623191fcab397c3d64PatchThird Party Advisory
- https://lists.debian.org/debian-lts-announce/2020/06/msg00011.htmlMailing ListThird Party Advisory
- https://lists.debian.org/debian-lts-announce/2020/06/msg00012.htmlMailing ListThird Party Advisory
- https://lists.debian.org/debian-lts-announce/2020/06/msg00013.htmlMailing ListThird Party Advisory
- https://lkml.org/lkml/2020/2/15/125ExploitPatchVendor Advisory
- https://security.netapp.com/advisory/ntap-20200403-0003/Third Party Advisory
- https://usn.ubuntu.com/4342-1/Third Party Advisory
- https://usn.ubuntu.com/4344-1/Third Party Advisory
- https://usn.ubuntu.com/4345-1/Third Party Advisory
- https://usn.ubuntu.com/4364-1/Third Party Advisory
- https://www.debian.org/security/2020/dsa-4667Third Party Advisory
- https://www.debian.org/security/2020/dsa-4698Third Party Advisory
FAQ
What is CVE-2020-10942?
CVE-2020-10942 is a vulnerability with a CVSS score of 5.3 (MEDIUM). In the Linux kernel before 5.5.8, get_raw_socket in drivers/vhost/net.c lacks validation of an sk_family field, which might allow attackers to trigger kernel stack corruption via crafted system calls.
How severe is CVE-2020-10942?
CVE-2020-10942 has been rated MEDIUM with a CVSS base score of 5.3/10. Review the CVSS metrics above for detailed severity breakdown.
Is there a patch for CVE-2020-10942?
Check the references section above for vendor advisories and patch information. Affected products include: Linux Linux Kernel, Opensuse Leap, Debian Debian Linux, Canonical Ubuntu Linux.