CVE-2020-29369

Published: Nov 28, 2020

Modified: Aug 4, 2024

PUBLISHED

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.

Vendor	Product	Versions
n/a	n/a	affected `n/a`

References

https://cdn.kernel.org/pub/linux/kernel/v5.x/ChangeLog-5.7.11

x_refsource_MISC

https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git/commit/?id=246c320a8cfe0b11d81a4af38fa9985ef0cc9a4c

x_refsource_MISC

https://bugs.chromium.org/p/project-zero/issues/detail?id=2056

x_refsource_MISC

https://security.netapp.com/advisory/ntap-20210115-0001/

x_refsource_CONFIRM

[oss-security] 20210210 Re: CVE-2021-20200: Linux kernel: close race between munmap() and expand_upwards()/downwards()

mailing-list

x_refsource_MLIST

[oss-security] 20210219 Re: CVE-2021-20200: Linux kernel: close race between munmap() and expand_upwards()/downwards()

mailing-list

x_refsource_MLIST

Security Training

Train your team to recognize and prevent security threats with our comprehensive security awareness program.

Start Training

Vulnerability Scanning

Discover vulnerabilities in your applications and infrastructure before attackers do.

Scan Now

CVE-2020-29369

Description

Affected Products

References