CVE-2020-14356
Advisory lineage Upstream: 0 Downstream: 22
Modified
Published: 19 Aug 2020, 14:37
Last modified:04 Aug 2024, 12:39
Vulnerability Summary
Overall Risk (default)
medium
41/100 CVSS Score
7.8 HIGH
v3.1 (nvd)
EPSS Score
0.82% LOW
1% probability -0.03%
KEV
Not listed
Ransomware
No reports
Public exploits
2 found
Dark Web
Not detected
Timeline
19 Aug 2020, 14:37
Published
Vulnerability first disclosed
04 Aug 2024, 12:39
Last Modified
Vulnerability information updated
Description
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.
CVSS Metrics
- v3.1•HIGH•Score: 7.8CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
- v2.0•HIGH•Score: 7.2AV:L/AC:L/Au:N/C:C/I:C/A:C
EPSS Trends
Current EPSS score: 0.82%• Percentile: 75%
Techniques & Countermeasures
- CWE-476•NULL Pointer Dereference
The product dereferences a pointer that it expects to be valid but is NULL.
Affected Systems
- canonical•ubuntu_linux
14.04 | 16.04 | 18.04 | 20.04
- debian•debian_linux
9.0
- linux•linux_kernel
≥ 4.5, < 4.9.231 | ≥ 4.10, < 4.14.189 | ≥ 4.15, < 4.19.134 | ≥ 4.20, < 5.4.53 | ≥ 5.5, < 5.7.10
- netapp•active_iq_unified_manager
na
- netapp•cloud_backup
na
- netapp•hci_management_node
na
- netapp•solidfire
na
- netapp•solidfire_baseboard_management_controller_firmware
na
- opensuse•leap
15.1 | 15.2
- redhat•enterprise_linux
8.0
References (12)
- https://bugzilla.redhat.com/show_bug.cgi?id=1868453
- https://bugzilla.kernel.org/show_bug.cgi?id=208003
- https://lore.kernel.org/netdev/CAM_iQpUKQJrj8wE+Qa8NGR3P0L+5Uz=qo-O5+k_P60HzTde6aw%40mail.gmail.com/t/
- http://lists.opensuse.org/opensuse-security-announce/2020-08/msg00047.html
- http://lists.opensuse.org/opensuse-security-announce/2020-09/msg00007.html
- https://security.netapp.com/advisory/ntap-20200904-0002/
- https://usn.ubuntu.com/4484-1/
- https://usn.ubuntu.com/4483-1/
- https://usn.ubuntu.com/4526-1/
- https://lists.debian.org/debian-lts-announce/2020/09/msg00025.html
- https://lists.debian.org/debian-lts-announce/2020/10/msg00032.html
- https://lists.debian.org/debian-lts-announce/2020/10/msg00034.html