CVE-2020-25670high
New! CVE Severity Now Using CVSS v3
The calculated severity for CVEs has been updated to use CVSS v3 by default. CVEs that do not have a CVSS v3 score will fall back CVSS v2 for calculating severity. Severity display preferences can be toggled in the settings dropdown.
Description
A vulnerability was found in Linux Kernel where refcount leak in llcp_sock_bind() causing use-after-free which might lead to privilege escalations.
References
http://www.openwall.com/lists/oss-security/2020/11/01/1
http://www.openwall.com/lists/oss-security/2021/05/11/4
https://www.openwall.com/lists/oss-security/2020/11/01/1
https://lists.debian.org/debian-lts-announce/2021/06/msg00019.html
https://lists.debian.org/debian-lts-announce/2021/06/msg00020.html
Details
Source: MITRE
Published: 2021-05-26
Updated: 2021-07-02
Type: CWE-416
Risk Information
CVSS v2
Base Score: 7.2
Vector: AV:L/AC:L/Au:N/C:C/I:C/A:C
Impact Score: 10
Exploitability Score: 3.9
Severity: HIGH
CVSS v3
Base Score: 7.8
Vector: CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
Impact Score: 5.9
Exploitability Score: 1.8
Severity: HIGH
Vulnerable Software
Configuration 1
OR
Configuration 2
OR
cpe:2.3:o:fedoraproject:fedora:32:*:*:*:*:*:*:*
Tenable Plugins
| ID | Name | Product | Family | Severity |
|---|---|---|---|---|
| 154404 | EulerOS 2.0 SP3 : kernel (EulerOS-SA-2021-2588) | Nessus | Huawei Local Security Checks | high |
| 153271 | EulerOS 2.0 SP2 : kernel (EulerOS-SA-2021-2392) | Nessus | Huawei Local Security Checks | high |
| 153080 | EulerOS 2.0 SP5 : kernel (EulerOS-SA-2021-2336) | Nessus | Huawei Local Security Checks | high |
| 152465 | Oracle Linux 7 : Unbreakable Enterprise kernel-container (ELSA-2021-9410) | Nessus | Oracle Linux Local Security Checks | high |
| 152464 | Oracle Linux 7 : Unbreakable Enterprise kernel (ELSA-2021-9407) | Nessus | Oracle Linux Local Security Checks | high |
| 152313 | EulerOS 2.0 SP9 : kernel (EulerOS-SA-2021-2272) | Nessus | Huawei Local Security Checks | high |
| 152308 | EulerOS 2.0 SP9 : kernel (EulerOS-SA-2021-2246) | Nessus | Huawei Local Security Checks | high |
| 151897 | Slackware 14.2 : Slackware 14.2 kernel (SSA:2021-202-01) | Nessus | Slackware Local Security Checks | high |
| 151756 | openSUSE 15 Security Update : kernel (openSUSE-SU-2021:1977-1) | Nessus | SuSE Local Security Checks | critical |
| 151730 | openSUSE 15 Security Update : kernel (openSUSE-SU-2021:1975-1) | Nessus | SuSE Local Security Checks | critical |
| 151690 | Oracle Linux 7 / 8 : Unbreakable Enterprise kernel (ELSA-2021-9362) | Nessus | Oracle Linux Local Security Checks | high |
| 151689 | Oracle Linux 7 / 8 : Unbreakable Enterprise kernel-container (ELSA-2021-9363) | Nessus | Oracle Linux Local Security Checks | high |
| 151570 | EulerOS Virtualization 2.9.0 : kernel (EulerOS-SA-2021-2195) | Nessus | Huawei Local Security Checks | high |
| 151562 | EulerOS Virtualization 2.9.1 : kernel (EulerOS-SA-2021-2183) | Nessus | Huawei Local Security Checks | high |
| 150985 | Debian DLA-2689-1 : linux security update | Nessus | Debian Local Security Checks | high |
| 150984 | Debian DLA-2690-1 : linux-4.19 security update | Nessus | Debian Local Security Checks | high |
| 150954 | Ubuntu 20.04 LTS / 20.10 : Linux kernel vulnerabilities (USN-4999-1) | Nessus | Ubuntu Local Security Checks | high |
| 150927 | SUSE SLES15 Security Update : kernel (SUSE-SU-2021:1975-1) | Nessus | SuSE Local Security Checks | critical |
| 150901 | SUSE SLED15 / SLES15 Security Update : kernel (SUSE-SU-2021:1977-1) | Nessus | SuSE Local Security Checks | critical |
| 150233 | Ubuntu 18.04 LTS / 20.04 LTS : Linux kernel vulnerabilities (USN-4982-1) | Nessus | Ubuntu Local Security Checks | medium |
| 150155 | Ubuntu 16.04 LTS / 18.04 LTS : Linux kernel vulnerabilities (USN-4979-1) | Nessus | Ubuntu Local Security Checks | medium |
| 150151 | Ubuntu 21.04 : Linux kernel vulnerabilities (USN-4977-1) | Nessus | Ubuntu Local Security Checks | high |
| 149892 | openSUSE Security Update : the Linux Kernel (openSUSE-2021-758) | Nessus | SuSE Local Security Checks | critical |
| 149872 | Amazon Linux AMI : kernel (ALAS-2021-1503) | Nessus | Amazon Linux Local Security Checks | high |
| 149717 | SUSE SLES15 Security Update : kernel (SUSE-SU-2021:1624-1) | Nessus | SuSE Local Security Checks | high |
| 149716 | SUSE SLES12 Security Update : kernel (SUSE-SU-2021:1623-1) | Nessus | SuSE Local Security Checks | high |
| 149633 | SUSE SLES12 Security Update : kernel (SUSE-SU-2021:1617-1) | Nessus | SuSE Local Security Checks | high |
| 149605 | openSUSE Security Update : the Linux Kernel (openSUSE-2021-579) | Nessus | SuSE Local Security Checks | high |
| 149491 | SUSE SLES12 Security Update : kernel (SUSE-SU-2021:1596-1) | Nessus | SuSE Local Security Checks | high |
| 149462 | SUSE SLES15 Security Update : kernel (SUSE-SU-2021:1573-1) | Nessus | SuSE Local Security Checks | high |
| 149407 | Ubuntu 20.04 LTS : Linux kernel (OEM) vulnerabilities (USN-4948-1) | Nessus | Ubuntu Local Security Checks | high |
| 148919 | Amazon Linux 2 : kernel (ALAS-2021-1627) | Nessus | Amazon Linux Local Security Checks | high |
| 148753 | SUSE SLES12 Security Update : kernel (SUSE-SU-2021:1248-1) | Nessus | SuSE Local Security Checks | high |
| 148747 | SUSE SLED15 / SLES15 Security Update : kernel (SUSE-SU-2021:1238-1) | Nessus | SuSE Local Security Checks | critical |
| 148732 | Fedora 33 : kernel / kernel-headers / kernel-tools (2021-1c170a7c7c) | Nessus | Fedora Local Security Checks | critical |
| 148715 | Fedora 32 : kernel / kernel-headers / kernel-tools (2021-21360476b6) | Nessus | Fedora Local Security Checks | critical |
| 148700 | SUSE SLES12 Security Update : kernel (SUSE-SU-2021:1210-1) | Nessus | SuSE Local Security Checks | high |
| 148698 | SUSE SLES15 Security Update : kernel (SUSE-SU-2021:1211-1) | Nessus | SuSE Local Security Checks | critical |