CVEvulnerability
CVE-2020-29369
7.0 HIGH
Official page ↗
- Status
- Modified
- Published
- 2020-11-28
- Last modified
- 2026-06-17
- Assigner
- [email protected]
- CVSS 3.1 ([email protected])
- 7.0 HIGH — CVSS:3.1/AV:L/AC:H/PR:L/UI:N/S:U/C:H/I:H/A:H
- CVSS 2.0 ([email protected])
- 6.9 MEDIUM — AV:L/AC:M/Au:N/C:C/I:C/A:C
- Weaknesses
- CWE-362
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.
Affected configurations
• linux linux kernel (>= 4.20 < 5.4.54)
• linux linux kernel (>= 5.5 < 5.7.11)
• netapp hci management node
• netapp solidfire
• netapp hci compute node
• netapp hci storage node
Related
Weakness · CWE (1)
- CWE-362 Concurrent Execution using Shared Resource with Improper Synchronization weakness
References
- http://www.openwall.com/lists/oss-security/2021/02/10/6 Mailing List, Patch, Third Party Advisory
- http://www.openwall.com/lists/oss-security/2021/02/19/8 Mailing List, Patch, Third Party Advisory
- https://bugs.chromium.org/p/project-zero/issues/detail?id=2056 Exploit, Issue Tracking, Patch, Third Party Advisory
- https://cdn.kernel.org/pub/linux/kernel/v5.x/ChangeLog-5.7.11 Release Notes, Vendor Advisory
- https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git/commit/?id=246c320a8cfe0b11d81a4af38fa9985ef0cc9a4c Patch, Vendor Advisory
- https://security.netapp.com/advisory/ntap-20210115-0001/ Third Party Advisory
- http://www.openwall.com/lists/oss-security/2021/02/10/6 Mailing List, Patch, Third Party Advisory
- http://www.openwall.com/lists/oss-security/2021/02/19/8 Mailing List, Patch, Third Party Advisory
- https://bugs.chromium.org/p/project-zero/issues/detail?id=2056 Exploit, Issue Tracking, Patch, Third Party Advisory
- https://cdn.kernel.org/pub/linux/kernel/v5.x/ChangeLog-5.7.11 Release Notes, Vendor Advisory
- https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git/commit/?id=246c320a8cfe0b11d81a4af38fa9985ef0cc9a4c Patch, Vendor Advisory
- https://security.netapp.com/advisory/ntap-20210115-0001/ Third Party Advisory