Detections
Analytics

CVE-2020-29369

high

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.

References

https://security.netapp.com/advisory/ntap-20210115-0001/

http://www.openwall.com/lists/oss-security/2021/02/19/8

http://www.openwall.com/lists/oss-security/2021/02/10/6

https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git/commit/?id=246c320a8cfe0b11d81a4af38fa9985ef0cc9a4c

https://cdn.kernel.org/pub/linux/kernel/v5.x/ChangeLog-5.7.11

https://bugs.chromium.org/p/project-zero/issues/detail?id=2056

Details

Source: Mitre, NVD

Published: 2020-11-28

Updated: 2023-07-28

Risk Information

CVSS v2

Base Score: 6.9

Vector: CVSS2#AV:L/AC:M/Au:N/C:C/I:C/A:C

Severity: Medium

CVSS v3

Base Score: 7

Vector: CVSS:3.0/AV:L/AC:H/PR:L/UI:N/S:U/C:H/I:H/A:H

Severity: High

EPSS

EPSS: 0.00079