CVE-2020-29369 | BDVDB-2026-145231 Detail
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.
Impact#
No impact statement in the source data.
Weaknesses#
No weakness recorded in the source data.
References#
- 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
- https://bugs.chromium.org/p/project-zero/issues/detail?id=2056
- https://security.netapp.com/advisory/ntap-20210115-0001/
- http://www.openwall.com/lists/oss-security/2021/02/10/6
- http://www.openwall.com/lists/oss-security/2021/02/19/8
Exploit#
No public exploit known
History#
- Version 1Record published in the CVE List.
- Version 2Most recent update recorded in the CVE List.