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CVE-2020-36385

Published: Jun 7, 2021Updated: Nov 21, 2024 Sources: CVE List NVD BDUCWE-416
NVD MITRE
7.8CVSSHIGH
EPSS Score
1.5%
Top 29.5%
CISA KEV
Not in KEV
Exploits
No Known Exploits
Remediation
Patch Available

Description

An issue was discovered in the Linux kernel before 5.10. drivers/infiniband/core/ucma.c has a use-after-free because the ctx is reached via the ctx_list in some ucma_migrate_id situations where ucma_close is called, aka CID-f5449e74802c.

CVSS Vector Breakdown

AV:LAC:LPR:NUI:RS:UC:HI:HA:H
Exploitability
AV:LAttack Vector
Local
AC:LAttack Complexity
Low
PR:NPrivileges Required
None
UI:RUser Interaction
Required
Scope
S:UScope
Unchanged
Impact
C:HConfidentiality
High
I:HIntegrity
High
A:HAvailability
High
Open in CVSS calculator →

Weaknesses

CWE-416

Affected Products

n/an/a
linux kernellinux
On-premOS
Operating Systems
h300s firmwarenetappHardware Firmware
h500s firmwarenetappHardware Firmware
h700s firmwarenetappHardware Firmware
linuxoss-projectOperating Systemsaka the linux kernel
netappcommercialUSHardware Firmware
and 10 more affected products View all →

Attack Graph

Products CVE Techniques Tactics

Click technique nodes to view MITRE ATT&CK details. Scroll to zoom, drag to pan.

Exploitability

Official Patch Available

MITRE ATT&CK

2 techniques
Initial Access
Privilege Escalation
View detailed technique mapping

References

https://syzkaller.appspot.com/bug?id=457491c4672d7b52c1007db213d93e47c711fae6
syzkaller.appspot.com
https://sites.google.com/view/syzscope/kasan-use-after-free-read-in-ucma_close-2
sites.google.com
https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git/commit/?id=f5449e74802c1112dea984aec8af7a33c4516af1
git.kernel.org
and 19 more references View all →

Timeline

Published
Jun 7, 2021
Last Updated
Nov 21, 2024

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