A flaw was found in the Linux kernel’s futex implementation. This flaw allows a local attacker to corrupt system memory or escalate their privileges when creating a futex on a filesystem that is about to be unmounted. The highest threat from this vulnerability is to confidentiality, integrity, as well as system availability.
Source: MITRE
Published: 2020-12-03
Updated: 2020-12-08
Type: CWE-416
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
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
OR
cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*
cpe:2.3:o:linux:linux_kernel:5.6:-:*:*:*:*:*:*
cpe:2.3:o:linux:linux_kernel:5.6:rc1:*:*:*:*:*:*
cpe:2.3:o:linux:linux_kernel:5.6:rc2:*:*:*:*:*:*
cpe:2.3:o:linux:linux_kernel:5.6:rc3:*:*:*:*:*:*
ID | Name | Product | Family | Severity |
---|---|---|---|---|
147588 | EulerOS Virtualization for ARM 64 3.0.2.0 : kernel (EulerOS-SA-2021-1386) | Nessus | Huawei Local Security Checks | high |
145806 | CentOS 8 : kernel (CESA-2020:4431) | Nessus | CentOS Local Security Checks | high |
144907 | Oracle Linux 7 / 8 : Unbreakable Enterprise kernel (ELSA-2021-9006) | Nessus | Oracle Linux Local Security Checks | high |
144906 | Oracle Linux 7 / 8 : Unbreakable Enterprise kernel-container (ELSA-2021-9007) | Nessus | Oracle Linux Local Security Checks | high |
143875 | SUSE SLES15 Security Update : kernel (SUSE-SU-2020:3532-1) | Nessus | SuSE Local Security Checks | high |
143857 | SUSE SLES12 Security Update : kernel (SUSE-SU-2020:3544-1) | Nessus | SuSE Local Security Checks | high |
143844 | SUSE SLES12 Security Update : kernel (SUSE-SU-2020:3225-1) | Nessus | SuSE Local Security Checks | high |
143801 | SUSE SLED15 / SLES15 Security Update : kernel (SUSE-SU-2020:2905-1) | Nessus | SuSE Local Security Checks | high |
143784 | SUSE SLES15 Security Update : kernel (SUSE-SU-2020:3014-1) | Nessus | SuSE Local Security Checks | high |
143772 | SUSE SLES12 Security Update : kernel (SUSE-SU-2020:3219-1) | Nessus | SuSE Local Security Checks | medium |
143708 | SUSE SLES12 Security Update : kernel (SUSE-SU-2020:2904-1) | Nessus | SuSE Local Security Checks | high |
143699 | SUSE SLES12 Security Update : kernel (SUSE-SU-2020:2907-1) | Nessus | SuSE Local Security Checks | high |
143654 | SUSE SLES12 Security Update : kernel (SUSE-SU-2020:3501-1) | Nessus | SuSE Local Security Checks | high |
143639 | SUSE SLES12 Security Update : kernel (SUSE-SU-2020:3503-1) | Nessus | SuSE Local Security Checks | high |
142430 | RHEL 8 : kernel (RHSA-2020:4431) | Nessus | Red Hat Local Security Checks | high |
142382 | RHEL 8 : kernel-rt (RHSA-2020:4609) | Nessus | Red Hat Local Security Checks | high |
141388 | openSUSE Security Update : the Linux Kernel (openSUSE-2020-1655) | Nessus | SuSE Local Security Checks | high |