CVE-2020-10942
MEDIUMCVSS 5.3/10EPSS 0.96%
Last modified
CVE-2020-10942 is a medium-severity vulnerability rated 5.3/10 on the CVSS scale. 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.. EPSS estimates a 0.96% chance of exploitation in the next 30 days.
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.
Metrics
CVSS:3.1/AV:L/AC:H/PR:L/UI:N/S:U/C:N/I:L/A:H
Weakness Enumeration
Affected Software
| Vendor | Product | Versions |
|---|---|---|
| Linux | Linux Kernel | < 5.5.8 |
| Opensuse | Leap | 15.1 |
| Debian | Debian Linux | 8.0 |
| Debian | Debian Linux | 9.0 |
| Debian | Debian Linux | 10.0 |
| Canonical | Ubuntu Linux | 14.04 |
| Canonical | Ubuntu Linux | 16.04 |
| Canonical | Ubuntu Linux | 18.04 |
| Canonical | Ubuntu Linux | 19.10 |
References
- http://lists.opensuse.org/opensuse-security-announce/2020-04/msg00035.htmlMailing List, Third Party Advisory
- http://www.openwall.com/lists/oss-security/2020/04/15/4Mailing List, Third Party Advisory
- https://cdn.kernel.org/pub/linux/kernel/v5.x/ChangeLog-5.5.8Release Notes, Vendor Advisory
- https://git.kernel.org/linus/42d84c8490f9f0931786f1623191fcab397c3d64Patch, Third Party Advisory
- https://lists.debian.org/debian-lts-announce/2020/06/msg00011.htmlMailing List, Third Party Advisory
- https://lists.debian.org/debian-lts-announce/2020/06/msg00012.htmlMailing List, Third Party Advisory
- https://lists.debian.org/debian-lts-announce/2020/06/msg00013.htmlMailing List, Third Party Advisory
- https://lkml.org/lkml/2020/2/15/125Exploit, Patch, Vendor 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
- http://lists.opensuse.org/opensuse-security-announce/2020-04/msg00035.htmlMailing List, Third Party Advisory
- http://www.openwall.com/lists/oss-security/2020/04/15/4Mailing List, Third Party Advisory
- https://cdn.kernel.org/pub/linux/kernel/v5.x/ChangeLog-5.5.8Release Notes, Vendor Advisory
- https://git.kernel.org/linus/42d84c8490f9f0931786f1623191fcab397c3d64Patch, Third Party Advisory
- https://lists.debian.org/debian-lts-announce/2020/06/msg00011.htmlMailing List, Third Party Advisory
- https://lists.debian.org/debian-lts-announce/2020/06/msg00012.htmlMailing List, Third Party Advisory
- https://lists.debian.org/debian-lts-announce/2020/06/msg00013.htmlMailing List, Third Party Advisory
- https://lkml.org/lkml/2020/2/15/125Exploit, Patch, Vendor 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
Timeline
- Published
- Last Modified
- Status
- Modified
Frequently Asked Questions
What is CVE-2020-10942?
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 a CVSS score of 5.3/10 (MEDIUM severity). The EPSS model estimates a 0.96% probability of exploitation in the next 30 days.
How do I fix CVE-2020-10942?
Check the vendor references and advisories linked above for patched versions and mitigation guidance. You can also run a Strix scan to test if your systems are affected.
Are you affected by CVE-2020-10942?
Run a free Strix scan to check your systems for this vulnerability.
Scan your code nowSource: NVD / NIST