Vulnerability Details : CVE-2020-10942
Potential exploit
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.
Vulnerability category: Memory Corruption
Products affected by CVE-2020-10942
- cpe:2.3:o:debian:debian_linux:8.0:*:*:*:*:*:*:*
- cpe:2.3:o:debian:debian_linux:9.0:*:*:*:*:*:*:*
- cpe:2.3:o:debian:debian_linux:10.0:*:*:*:*:*:*:*
- cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*
- cpe:2.3:o:canonical:ubuntu_linux:14.04:*:*:*:esm:*:*:*
- cpe:2.3:o:canonical:ubuntu_linux:18.04:*:*:*:lts:*:*:*
- cpe:2.3:o:canonical:ubuntu_linux:19.10:*:*:*:*:*:*:*
- cpe:2.3:o:canonical:ubuntu_linux:16.04:*:*:*:esm:*:*:*
- cpe:2.3:o:opensuse:leap:15.1:*:*:*:*:*:*:*
Exploit prediction scoring system (EPSS) score for CVE-2020-10942
0.06%
Probability of exploitation activity in the next 30 days
EPSS Score History
~ 25 %
Percentile, the proportion of vulnerabilities that are scored at or less
CVSS scores for CVE-2020-10942
Base Score | Base Severity | CVSS Vector | Exploitability Score | Impact Score | Score Source | First Seen |
---|---|---|---|---|---|---|
5.4
|
MEDIUM | AV:L/AC:M/Au:N/C:N/I:P/A:C |
3.4
|
7.8
|
NIST | |
5.3
|
MEDIUM | CVSS:3.1/AV:L/AC:H/PR:L/UI:N/S:U/C:N/I:L/A:H |
1.0
|
4.2
|
NIST |
CWE ids for CVE-2020-10942
-
The product writes data past the end, or before the beginning, of the intended buffer.Assigned by: nvd@nist.gov (Primary)
References for CVE-2020-10942
-
https://lists.debian.org/debian-lts-announce/2020/06/msg00013.html
[SECURITY] [DLA 2241-2] linux security updateMailing List;Third Party Advisory
-
https://usn.ubuntu.com/4342-1/
USN-4342-1: Linux kernel vulnerabilities | Ubuntu security noticesThird Party Advisory
-
https://cdn.kernel.org/pub/linux/kernel/v5.x/ChangeLog-5.5.8
Release Notes;Vendor Advisory
-
https://lists.debian.org/debian-lts-announce/2020/06/msg00011.html
[SECURITY] [DLA 2241-1] linux security updateMailing List;Third Party Advisory
-
https://usn.ubuntu.com/4344-1/
USN-4344-1: Linux kernel vulnerabilities | Ubuntu security noticesThird Party Advisory
-
https://lkml.org/lkml/2020/2/15/125
LKML: syzbot: Re: kernel panic: stack is corrupted in vhost_net_ioctlExploit;Patch;Vendor Advisory
-
https://usn.ubuntu.com/4345-1/
USN-4345-1: Linux kernel vulnerabilities | Ubuntu security noticesThird Party Advisory
-
https://lists.debian.org/debian-lts-announce/2020/06/msg00012.html
[SECURITY] [DLA 2242-1] linux-4.9 security updateMailing List;Third Party Advisory
-
https://usn.ubuntu.com/4364-1/
USN-4364-1: Linux kernel vulnerabilities | Ubuntu security noticesThird Party Advisory
-
https://git.kernel.org/linus/42d84c8490f9f0931786f1623191fcab397c3d64
kernel/git/torvalds/linux.git - Linux kernel source treePatch;Third Party Advisory
-
https://security.netapp.com/advisory/ntap-20200403-0003/
CVE-2020-10942 Linux Kernel Vulnerability in NetApp Products | NetApp Product SecurityThird Party Advisory
-
http://lists.opensuse.org/opensuse-security-announce/2020-04/msg00035.html
[security-announce] openSUSE-SU-2020:0543-1: important: Security updateMailing List;Third Party Advisory
-
http://www.openwall.com/lists/oss-security/2020/04/15/4
oss-security - CVE-2020-10942 Kernel: vhost-net: stack overflow in get_raw_socket while checking sk_family fieldMailing List;Third Party Advisory
-
https://www.debian.org/security/2020/dsa-4667
Debian -- Security Information -- DSA-4667-1 linuxThird Party Advisory
-
https://www.debian.org/security/2020/dsa-4698
Debian -- Security Information -- DSA-4698-1 linuxThird Party Advisory
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