CVE ID:	CVE-2020-29369
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.
Test IDs:	None available
Cross References:	Common Vulnerability Exposure (CVE) ID: CVE-2020-29369 https://bugs.chromium.org/p/project-zero/issues/detail?id=2056 https://cdn.kernel.org/pub/linux/kernel/v5.x/ChangeLog-5.7.11 https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git/commit/?id=246c320a8cfe0b11d81a4af38fa9985ef0cc9a4c http://www.openwall.com/lists/oss-security/2021/02/10/6 http://www.openwall.com/lists/oss-security/2021/02/19/8