Vulnerability Details : CVE-2020-14356
A flaw null pointer dereference in the Linux kernel cgroupv2 subsystem in versions before 5.7.10 was found in the way when reboot the system. A local user could use this flaw to crash the system or escalate their privileges on the system.
Vulnerability category: Memory Corruption
Products affected by CVE-2020-14356
- cpe:2.3:o:debian:debian_linux:9.0:*:*:*:*:*:*:*
- cpe:2.3:o:redhat:enterprise_linux:8.0:*:*:*:*:*:*:*
- cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*
- cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*
- cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*
- cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*
- 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:16.04:*:*:*:esm:*:*:*
- cpe:2.3:o:canonical:ubuntu_linux:20.04:*:*:*:lts:*:*:*
- cpe:2.3:o:opensuse:leap:15.1:*:*:*:*:*:*:*
- cpe:2.3:o:opensuse:leap:15.2:*:*:*:*:*:*:*
- cpe:2.3:a:netapp:cloud_backup:-:*:*:*:*:*:*:*
- cpe:2.3:a:netapp:hci_management_node:-:*:*:*:*:*:*:*
- cpe:2.3:a:netapp:solidfire:-:*:*:*:*:*:*:*
- cpe:2.3:a:netapp:active_iq_unified_manager:-:*:*:*:*:vmware_vsphere:*:*
- cpe:2.3:o:netapp:solidfire_baseboard_management_controller_firmware:-:*:*:*:*:*:*:*
Exploit prediction scoring system (EPSS) score for CVE-2020-14356
0.04%
Probability of exploitation activity in the next 30 days
EPSS Score History
~ 6 %
Percentile, the proportion of vulnerabilities that are scored at or less
CVSS scores for CVE-2020-14356
| Base Score | Base Severity | CVSS Vector | Exploitability Score | Impact Score | Score Source | First Seen |
|---|---|---|---|---|---|---|
|
7.2
|
HIGH | AV:L/AC:L/Au:N/C:C/I:C/A:C |
3.9
|
10.0
|
NIST | |
|
7.8
|
HIGH | CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H |
1.8
|
5.9
|
NIST |
CWE ids for CVE-2020-14356
-
The product dereferences a pointer that it expects to be valid but is NULL.Assigned by: nvd@nist.gov (Primary)
References for CVE-2020-14356
-
https://usn.ubuntu.com/4526-1/
USN-4526-1: Linux kernel vulnerabilities | Ubuntu security notices | UbuntuThird Party Advisory
-
https://security.netapp.com/advisory/ntap-20200904-0002/
CVE-2020-14356 Linux Kernel Vulnerability in NetApp Products | NetApp Product SecurityThird Party Advisory
-
https://lists.debian.org/debian-lts-announce/2020/10/msg00034.html
[SECURITY] [DLA 2420-2] linux regression updateMailing List;Third Party Advisory
-
https://lore.kernel.org/netdev/CAM_iQpUKQJrj8wE+Qa8NGR3P0L+5Uz=qo-O5+k_P60HzTde6aw%40mail.gmail.com/t/
BUG: kernel NULL pointer dereference in __cgroup_bpf_run_filter_skbExploit;Vendor Advisory
-
https://usn.ubuntu.com/4483-1/
USN-4483-1: Linux kernel vulnerabilities | Ubuntu security notices | UbuntuThird Party Advisory
-
https://bugzilla.redhat.com/show_bug.cgi?id=1868453
1868453 – (CVE-2020-14356) CVE-2020-14356 kernel: Use After Free vulnerability in cgroup BPF componentIssue Tracking;Patch;Third Party Advisory
-
https://lists.debian.org/debian-lts-announce/2020/09/msg00025.html
[SECURITY] [DLA 2385-1] linux-4.19 security updateMailing List;Third Party Advisory
-
https://usn.ubuntu.com/4484-1/
USN-4484-1: Linux kernel vulnerability | Ubuntu security notices | UbuntuThird Party Advisory
-
https://bugzilla.kernel.org/show_bug.cgi?id=208003
208003 – kernel panic RIP: 0010:__cgroup_bpf_run_filter_skb+0xd9/0x230Exploit;Issue Tracking;Vendor Advisory
-
https://lists.debian.org/debian-lts-announce/2020/10/msg00032.html
[SECURITY] [DLA 2420-1] linux security updateMailing List;Third Party Advisory
-
http://lists.opensuse.org/opensuse-security-announce/2020-09/msg00007.html
[security-announce] openSUSE-SU-2020:1325-1: important: Security updateMailing List;Third Party Advisory
-
http://lists.opensuse.org/opensuse-security-announce/2020-08/msg00047.html
[security-announce] openSUSE-SU-2020:1236-1: important: Security updateMailing List;Third Party Advisory
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