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CVE-2020-29369

Published: Nov 28, 2020Updated: Nov 21, 2024 Sources: CVE List NVD BDUCWE-362
NVD MITRE
7.0CVSSHIGH
EPSS Score
0.4%
Top 64.3%
CISA KEV
Not in KEV
Exploits
1 Known
Remediation
Patch Available

Description

An issue was discovered in mm/mmap.c in the Linux kernel before 5.7.11. There is a race condition between certain expand functions (expand_downwards and expand_upwards) and page-table free operations from an munmap call, aka CID-246c320a8cfe.

CVSS Vector Breakdown

AV:LAC:HPR:LUI:NS:UC:HI:HA:H
Exploitability
AV:LAttack Vector
Local
AC:HAttack Complexity
High
PR:LPrivileges Required
Low
UI:NUser Interaction
None
Scope
S:UScope
Unchanged
Impact
C:HConfidentiality
High
I:HIntegrity
High
A:HAvailability
High
Open in CVSS calculator →

Weaknesses

CWE-362

Affected Products

n/an/a
linux kernellinux
On-premOS
Operating Systems
hci management nodenetappHardware Firmware
solidfirenetappHardware Firmware
hci compute nodenetappHardware Firmware
linuxoss-projectOperating Systemsaka the linux kernel
netappcommercialUSHardware Firmware
and 4 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

1 exploit source identified

Exploit details including PoC links, Metasploit modules, and scanner templates are available after registration.

View exploit details
Official Patch Available

MITRE ATT&CK

1 technique
Privilege Escalation
View detailed technique mapping

References

https://cdn.kernel.org/pub/linux/kernel/v5.x/ChangeLog-5.7.11
cdn.kernel.org
https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git/commit/?id=246c320a8cfe0b11d81a4af38fa9985ef0cc9a4c
git.kernel.org
https://bugs.chromium.org/p/project-zero/issues/detail?id=2056
bugs.chromium.org
and 19 more references View all →

Timeline

Published
Nov 28, 2020
Last Updated
Nov 21, 2024

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