CVE-2021-23134high
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
Use After Free vulnerability in nfc sockets in the Linux Kernel before 5.12.4 allows local attackers to elevate their privileges. In typical configurations, the issue can only be triggered by a privileged local user with the CAP_NET_RAW capability.
References
https://git.kernel.org/pub/scm/linux/kernel/git/netdev/net.git/commit/?id=c61760e6940d
https://www.openwall.com/lists/oss-security/2021/05/11/4
https://lists.debian.org/debian-lts-announce/2021/06/msg00020.html
https://lists.debian.org/debian-lts-announce/2021/06/msg00019.html
Details
Source: MITRE
Published: 2021-05-12
Updated: 2021-09-07
Type: CWE-416
Risk Information
CVSS v2
Base Score: 4.6
Vector: AV:L/AC:L/Au:N/C:P/I:P/A:P
Impact Score: 6.4
Exploitability Score: 3.9
Severity: MEDIUM
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
Configuration 3
OR
Tenable Plugins
| ID | Name | Product | Family | Severity |
|---|---|---|---|---|
| 153271 | EulerOS 2.0 SP2 : kernel (EulerOS-SA-2021-2392) | Nessus | Huawei Local Security Checks | high |
| 153131 | Ubuntu 20.04 LTS : Linux kernel (KVM) vulnerabilities (USN-5000-2) | Nessus | Ubuntu Local Security Checks | high |
| 153127 | Ubuntu 21.04 : Linux kernel (KVM) vulnerabilities (USN-4997-2) | Nessus | Ubuntu Local Security Checks | medium |
| 153080 | EulerOS 2.0 SP5 : kernel (EulerOS-SA-2021-2336) | Nessus | Huawei Local Security Checks | high |
| 152389 | Oracle Linux 7 / 8 : Unbreakable Enterprise kernel-container (ELSA-2021-9406) | Nessus | Oracle Linux Local Security Checks | high |
| 152382 | Oracle Linux 7 / 8 : Unbreakable Enterprise kernel (ELSA-2021-9404) | 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 |
| 152055 | SUSE SLES12 Security Update : kernel (SUSE-SU-2021:2451-1) | Nessus | SuSE Local Security Checks | high |
| 151986 | SUSE SLES15 Security Update : kernel (SUSE-SU-2021:2421-1) | Nessus | SuSE Local Security Checks | high |
| 151920 | Ubuntu 16.04 LTS / 18.04 LTS : Linux kernel vulnerabilities (USN-5018-1) | Nessus | Ubuntu Local Security Checks | high |
| 151907 | Ubuntu 20.04 LTS / 20.10 : Linux kernel vulnerabilities (USN-5016-1) | Nessus | Ubuntu Local Security Checks | high |
| 151878 | SUSE SLES12 Security Update : kernel (SUSE-SU-2021:2406-1) | Nessus | SuSE 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 |
| 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 |
| 151280 | openSUSE 15 Security Update : kernel (openSUSE-SU-2021:0947-1) | Nessus | SuSE Local Security Checks | high |
| 151205 | SUSE SLES15 Security Update : kernel (SUSE-SU-2021:2208-1) | Nessus | SuSE 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 |
| 150957 | Ubuntu 18.04 LTS / 20.04 LTS : Linux kernel vulnerabilities (USN-5000-1) | Nessus | Ubuntu Local Security Checks | high |
| 150955 | Ubuntu 20.04 LTS : Linux kernel (OEM) vulnerabilities (USN-5001-1) | Nessus | Ubuntu Local Security Checks | medium |
| 150953 | Ubuntu 21.04 : Linux kernel vulnerabilities (USN-4997-1) | Nessus | Ubuntu Local Security Checks | medium |
| 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 |
| 150883 | SUSE SLES15 Security Update : kernel (Live Patch 13 for SLE 15 SP2) (SUSE-SU-2021:2027-1) | Nessus | SuSE Local Security Checks | high |
| 150882 | SUSE SLES12 / SLES15 Security Update : kernel (Live Patch 18 for SLE 12 SP5) (SUSE-SU-2021:2020-1) | Nessus | SuSE Local Security Checks | high |
| 150879 | SUSE SLES12 / SLES15 Security Update : kernel (Live Patch 12 for SLE 15 SP2) (SUSE-SU-2021:2067-1) | Nessus | SuSE Local Security Checks | high |
| 150878 | SUSE SLES15 Security Update : kernel (Live Patch 24 for SLE 15) (SUSE-SU-2021:2057-1) | Nessus | SuSE Local Security Checks | high |
| 150696 | SUSE SLES15 Security Update : kernel (SUSE-SU-2021:1888-1) | Nessus | SuSE Local Security Checks | high |
| 150687 | SUSE SLES12 Security Update : kernel (SUSE-SU-2021:1899-1) | Nessus | SuSE Local Security Checks | high |
| 150472 | SUSE SLED12 / SLES12 Security Update : kernel (SUSE-SU-2021:1913-1) | Nessus | SuSE Local Security Checks | high |
| 150470 | SUSE SLES15 Security Update : kernel (SUSE-SU-2021:1912-1) | Nessus | SuSE Local Security Checks | high |
| 150413 | SUSE SLES12 Security Update : kernel (SUSE-SU-2021:1887-1) | Nessus | SuSE Local Security Checks | high |
| 150407 | SUSE SLED15 / SLES15 Security Update : kernel (SUSE-SU-2021:1890-1) | Nessus | SuSE Local Security Checks | high |
| 150401 | SUSE SLES15 Security Update : kernel (SUSE-SU-2021:1889-1) | Nessus | SuSE Local Security Checks | high |
| 150396 | SUSE SLES12 Security Update : kernel (SUSE-SU-2021:1891-1) | Nessus | SuSE Local Security Checks | high |
| 150315 | openSUSE Security Update : the Linux Kernel (openSUSE-2021-843) | Nessus | SuSE Local Security Checks | high |