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Ubuntu: USN-4752-1 (CVE-2020-29369): Linux kernel (OEM) vulnerabilities

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Ubuntu: USN-4752-1 (CVE-2020-29369): Linux kernel (OEM) vulnerabilities

Severity
7
CVSS
(AV:L/AC:M/Au:N/C:C/I:C/A:C)
Published
11/28/2020
Created
03/02/2021
Added
02/26/2021
Modified
03/22/2023

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.

Solution(s)

  • ubuntu-upgrade-linux-image-5-6-0-1048-oem
  • ubuntu-upgrade-linux-image-oem-20-04

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