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Ubuntu: (Multiple Advisories) (CVE-2021-44879): Linux kernel (OEM) vulnerabilities

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Ubuntu: (Multiple Advisories) (CVE-2021-44879): Linux kernel (OEM) vulnerabilities

Severity

CVSS

(AV:N/AC:M/Au:N/C:N/I:N/A:P)

Published

02/14/2022

Created

03/24/2022

Added

02/23/2022

Modified

03/22/2023

Description

In gc_data_segment in fs/f2fs/gc.c in the Linux kernel before 5.16.3, special files are not considered, leading to a move_data_page NULL pointer dereference.

Solution(s)

ubuntu-upgrade-linux-image-5-13-0-1011-intel
ubuntu-upgrade-linux-image-5-13-0-1021-kvm
ubuntu-upgrade-linux-image-5-13-0-1022-aws
ubuntu-upgrade-linux-image-5-13-0-1022-azure
ubuntu-upgrade-linux-image-5-13-0-1024-gcp
ubuntu-upgrade-linux-image-5-13-0-1025-raspi
ubuntu-upgrade-linux-image-5-13-0-1025-raspi-nolpae
ubuntu-upgrade-linux-image-5-13-0-1027-oracle
ubuntu-upgrade-linux-image-5-13-0-40-generic
ubuntu-upgrade-linux-image-5-13-0-40-generic-64k
ubuntu-upgrade-linux-image-5-13-0-40-generic-lpae
ubuntu-upgrade-linux-image-5-13-0-40-lowlatency
ubuntu-upgrade-linux-image-5-14-0-1024-oem
ubuntu-upgrade-linux-image-aws
ubuntu-upgrade-linux-image-azure
ubuntu-upgrade-linux-image-gcp
ubuntu-upgrade-linux-image-generic
ubuntu-upgrade-linux-image-generic-64k
ubuntu-upgrade-linux-image-generic-64k-hwe-20-04
ubuntu-upgrade-linux-image-generic-hwe-20-04
ubuntu-upgrade-linux-image-generic-lpae
ubuntu-upgrade-linux-image-generic-lpae-hwe-20-04
ubuntu-upgrade-linux-image-gke
ubuntu-upgrade-linux-image-intel
ubuntu-upgrade-linux-image-kvm
ubuntu-upgrade-linux-image-lowlatency
ubuntu-upgrade-linux-image-lowlatency-hwe-20-04
ubuntu-upgrade-linux-image-oem-20-04
ubuntu-upgrade-linux-image-oem-20-04b
ubuntu-upgrade-linux-image-oem-20-04c
ubuntu-upgrade-linux-image-oem-20-04d
ubuntu-upgrade-linux-image-oracle
ubuntu-upgrade-linux-image-raspi
ubuntu-upgrade-linux-image-raspi-nolpae
ubuntu-upgrade-linux-image-virtual
ubuntu-upgrade-linux-image-virtual-hwe-20-04

References

https://attackerkb.com/topics/cve-2021-44879
CVE - 2021-44879
CVE-2021-44879
USN-5302-1
USN-5338-1
USN-5339-1
USN-5361-1
USN-5377-1
USN-5381-1
USN-5383-1
USN-5384-1
USN-5385-1
USN-5390-1
USN-5390-2
USN-5415-1
USN-5466-1

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