CVE-2020-29369
- State
- Published
- Severity
- Not scored
- Published
- Nov 28, 2020
- Updated
- Aug 4, 2024
- Reserved
- Nov 28, 2020
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.
Scores
The record has no CVSS score.
Weaknesses
The record names no weakness.
Affected Products
| Product | Versions |
|---|---|
n/an/a |
|
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/
- [oss-security] 20210210 Re: CVE-2021-20200: Linux kernel: close race between munmap() and expand_upwards()/downwards()mailing-list
- [oss-security] 20210219 Re: CVE-2021-20200: Linux kernel: close race between munmap() and expand_upwards()/downwards()mailing-list
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