Published: 28/11/2020 Updated: 28/07/2023

CVSS v2 Base Score: 6.9 | Impact Score: 10 | Exploitability Score: 3.4

CVSS v3 Base Score: 7 | Impact Score: 5.9 | Exploitability Score: 1

VMScore: 614

Vector: AV:L/AC:M/Au:N/C:C/I:C/A:C

An issue exists in mm/mmap.c in the Linux kernel prior to 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.

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Hi, is the information listed here correct? Especially the CVE-2021-20200 assignment In project-zero reference at the last comment CVE-2020-29369 is mentioned Best regards, Alexandros On 2/10/21 4:04 PM, Rohit Keshri wrote: -- Alexandros Toptsoglou <atoptsoglou () suse de> Security Engineer OpenPGP fingerprint: C270 3848 AA4A 783A 9 ...

Hello Alexandros, CVE-2021-20200 is a duplicate of CVE-2020-29369, and we are revoking this Regards, Rohit Keshri / Red Hat Product Security Team PGP: OX01BC 858A 07B7 15C8 EF33 BFE2 2EEB 0CBC 84A4 4C2D secalert () redhat com for urgent response On Wed, Feb 10, 2021 at 9:03 PM Alexandros Toptsoglou <atoptsoglou () suse de> wrote: ...

CWE-362 https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git/commit/?id=246c320a8cfe0b11d81a4af38fa9985ef0cc9a4c https://cdn.kernel.org/pub/linux/kernel/v5.x/ChangeLog-5.7.11 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 https://nvd.nist.gov http://seclists.org/oss-sec/2021/q1/137

CVE-2020-29369

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