Rapid7 Vulnerability & Exploit Database

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

Back to Search

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

Severity
4
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
05/12/2022

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

With Rapid7 live dashboards, I have a clear view of all the assets on my network, which ones can be exploited, and what I need to do in order to reduce the risk in my environment in real-time. No other tool gives us that kind of value and insight.

– Scott Cheney, Manager of Information Security, Sierra View Medical Center

;