CVE-2020-29369: Race Condition
First published: Sat Nov 28 2020(Updated: )
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.
Credit: cve@mitre.org cve@mitre.org cve@mitre.org
| Affected Software | Affected Version | How to fix |
|---|---|---|
| Linux Kernel | >=4.20<5.4.54 | |
| Linux Kernel | >=5.5<5.7.11 | |
| netapp hci management node | ||
| netapp solidfire | ||
| netapp hci compute node | ||
| netapp hci storage node | ||
| debian/linux | 5.10.223-1 5.10.226-1 6.1.123-1 6.1.119-1 6.12.10-1 6.12.11-1 |
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Reference Links
- http://www.openwall.com/lists/oss-security/2021/02/10/6
- http://www.openwall.com/lists/oss-security/2021/02/19/8
- 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
- https://security.netapp.com/advisory/ntap-20210115-0001/
- https://launchpad.net/bugs/cve/CVE-2020-29369
- https://git.kernel.org/linus/246c320a8cfe0b11d81a4af38fa9985ef0cc9a4c
- https://security-tracker.debian.org/tracker/CVE-2020-29369
- https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2020-29369
- https://nvd.nist.gov/vuln/detail/CVE-2020-29369
- https://ubuntu.com/security/CVE-2020-29369
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