CVE - CVE-2020-29369

CVE-ID
CVE-2020-29369	Learn more at National Vulnerability Database (NVD) • CVSS Severity Rating • Fix Information • Vulnerable Software Versions • SCAP Mappings • CPE Information
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.
References
Note: References are provided for the convenience of the reader to help distinguish between vulnerabilities. The list is not intended to be complete.
CONFIRM:https://security.netapp.com/advisory/ntap-20210115-0001/ MISC:https://bugs.chromium.org/p/project-zero/issues/detail?id=2056 MISC:https://cdn.kernel.org/pub/linux/kernel/v5.x/ChangeLog-5.7.11 MISC:https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git/commit/?id=246c320a8cfe0b11d81a4af38fa9985ef0cc9a4c MLIST:[oss-security] 20210210 Re: CVE-2021-20200: Linux kernel: close race between munmap() and expand_upwards()/downwards() URL:http://www.openwall.com/lists/oss-security/2021/02/10/6 MLIST:[oss-security] 20210219 Re: CVE-2021-20200: Linux kernel: close race between munmap() and expand_upwards()/downwards() URL:http://www.openwall.com/lists/oss-security/2021/02/19/8
Assigning CNA
MITRE Corporation
Date Record Created
20201128	Disclaimer: The record creation date may reflect when the CVE ID was allocated or reserved, and does not necessarily indicate when this vulnerability was discovered, shared with the affected vendor, publicly disclosed, or updated in CVE.
Phase (Legacy)
Assigned (20201128)
Votes (Legacy)

Comments (Legacy)

Proposed (Legacy)
N/A
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