CVE-2020-29369 — Race Condition in Kernel
Severity
7.0HIGHNVD
OSV5.4
EPSS
0.1%
top 76.63%
CISA KEV
Not in KEV
Exploit
No known exploits
Affected products
Timeline
PublishedNov 28
Latest updateSep 26
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
CVSS:3.1/AV:L/AC:H/PR:L/UI:N/S:U/C:H/I:H/A:HExploitability: 1.0 | Impact: 5.9
Affected Packages4 packages
Patches
🔴Vulnerability Details
3📋Vendor Advisories
4Microsoft▶
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 ↗2020-11-10
Red Hat▶
kernel: race condition between expand_downwards and expand_upwards and page-table free operations from an munmap call↗2020-07-24
Debian▶
CVE-2020-29369: linux - An issue was discovered in mm/mmap.c in the Linux kernel before 5.7.11. There is...↗2020