CVE-2021-44879

Published on: Not Yet Published

Last Modified on: 02/22/2022 06:26:00 PM UTC

CVE-2021-44879

Source: Mitre Source: NIST CVE.ORG Print: PDF PDF
CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:H

Certain versions of Linux Kernel from Linux contain the following vulnerability:

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.

  • CVE-2021-44879 has been assigned by URL Logo [email protected] to track the vulnerability - currently rated as MEDIUM severity.

CVSS3 Score: 5.5 - MEDIUM

Attack
Vector ⓘ		 Attack
Complexity		 Privileges
Required		 User
Interaction
LOCAL LOW NONE REQUIRED
Scope Confidentiality
Impact		 Integrity
Impact		 Availability
Impact
UNCHANGED NONE NONE HIGH

CVSS2 Score: 4.3 - MEDIUM

Access
Vector ⓘ		 Access
Complexity		 Authentication
NETWORK MEDIUM NONE
Confidentiality
Impact		 Integrity
Impact		 Availability
Impact
NONE NONE PARTIAL

CVE References

Description Tags ⓘ Link
cdn.kernel.org
text/plain
 URL Logo CONFIRM cdn.kernel.org/pub/linux/kernel/v5.x/ChangeLog-5.16.3
[f2fs-dev] [PATCH 1/3] f2fs: fix to do sanity check on inode type during garbage collection lore.kernel.org
text/html
 URL Logo MISC lore.kernel.org/linux-f2fs-devel/[email protected]/T/
215231 – kernel NULL pointer dereference triggered in folio_mark_dirty() when mount and operate on a crafted f2fs image bugzilla.kernel.org
text/html
 URL Logo MISC bugzilla.kernel.org/show_bug.cgi?id=215231
kernel/git/torvalds/linux.git - Linux kernel source tree git.kernel.org
text/html
 URL Logo MISC git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git/commit/?id=9056d6489f5a41cfbb67f719d2c0ce61ead72d9f
By selecting these links, you may be leaving CVEreport webspace. We have provided these links to other websites because they may have information that would be of interest to you. No inferences should be drawn on account of other sites being referenced, or not, from this page. There may be other websites that are more appropriate for your purpose. CVEreport does not necessarily endorse the views expressed, or concur with the facts presented on these sites. Further, CVEreport does not endorse any commercial products that may be mentioned on these sites. Please address comments about any linked pages to [email protected].

Related QID Numbers

  • 198672 Ubuntu Security Notification for Linux kernel (OEM) Vulnerabilities (USN-5302-1)
  • 198745 Ubuntu Security Notification for Linux kernel Vulnerabilities (USN-5383-1)
  • 377124 Alibaba Cloud Linux Security Update for cloud-kernel (ALINUX3-SA-2022:0029)
  • 377181 Alibaba Cloud Linux Security Update for cloud-kernel (ALINUX2-SA-2022:0022)
  • 671703 EulerOS Security Update for kernel (EulerOS-SA-2022-1735)
  • 671804 EulerOS Security Update for kernel (EulerOS-SA-2022-1844)
  • 751831 SUSE Enterprise Linux Security Update for the Linux Kernel (SUSE-SU-2022:0768-1)
  • 751832 SUSE Enterprise Linux Security Update for the Linux Kernel (SUSE-SU-2022:0765-1)
  • 751833 SUSE Enterprise Linux Security Update for the Linux Kernel (SUSE-SU-2022:0757-1)
  • 751835 SUSE Enterprise Linux Security Update for the Linux Kernel (SUSE-SU-2022:0767-1)
  • 751836 SUSE Enterprise Linux Security Update for the Linux Kernel (SUSE-SU-2022:0759-1)
  • 751838 SUSE Enterprise Linux Security Update for the Linux Kernel (SUSE-SU-2022:0766-1)
  • 751851 OpenSUSE Security Update for the Linux Kernel (openSUSE-SU-2022:0768-1)
  • 751952 OpenSUSE Security Update for Linux Kernel (openSUSE-SU-2022:1039-1)
  • 751956 OpenSUSE Security Update for the Linux Kernel (openSUSE-SU-2022:1037-1)
  • 752016 SUSE Enterprise Linux Security Update for the Linux Kernel (SUSE-SU-2022:1039-1)
  • 752370 SUSE Enterprise Linux Security Update for the Linux Kernel (SUSE-SU-2022:2520-1)
  • 753148 SUSE Enterprise Linux Security Update for the Linux Kernel (SUSE-SU-2022:2615-1)
  • 753348 SUSE Enterprise Linux Security Update for the Linux Kernel (SUSE-SU-2022:1038-1)
  • 753373 SUSE Enterprise Linux Security Update for the Linux Kernel (SUSE-SU-2022:1257-1)
  • 753422 SUSE Enterprise Linux Security Update for the Linux Kernel (SUSE-SU-2022:1037-1)
  • 900712 Common Base Linux Mariner (CBL-Mariner) Security Update for kernel (8569)
  • 900904 Common Base Linux Mariner (CBL-Mariner) Security Update for kernel (8577-1)
  • 901357 Common Base Linux Mariner (CBL-Mariner) Security Update for kernel (8569-1)
  • 905879 Common Base Linux Mariner (CBL-Mariner) Security Update for kernel (8569-2)
  • 906279 Common Base Linux Mariner (CBL-Mariner) Security Update for kernel (8577-2)

Known Affected Configurations (CPE V2.3)

Type Vendor Product Version Update Edition Language
Operating
System		LinuxLinux KernelAllAllAllAll
  • cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*:

Social Mentions

Source Title Posted (UTC)
Twitter Icon @CVEreport CVE-2021-44879 : In gc_data_segment in fs/f2fs/gc.c in the #Linux #kernel before 5.16.3, special files are not cons… twitter.com/i/web/status/1… 2022-02-13 07:04:02
Twitter Icon @Har_sia CVE-2021-44879 har-sia.info/CVE-2021-44879… #HarsiaInfo 2022-02-14 07:01:04
Reddit Logo Icon /r/netcve CVE-2021-44879 2022-02-13 07:38:38
© CVE.report 2023 Twitter Nitter Twitter Viewer |

Use of this information constitutes acceptance for use in an AS IS condition. There are NO warranties, implied or otherwise, with regard to this information or its use. Any use of this information is at the user's risk. It is the responsibility of user to evaluate the accuracy, completeness or usefulness of any information, opinion, advice or other content. EACH USER WILL BE SOLELY RESPONSIBLE FOR ANY consequences of his or her direct or indirect use of this web site. ALL WARRANTIES OF ANY KIND ARE EXPRESSLY DISCLAIMED. This site will NOT BE LIABLE FOR ANY DIRECT, INDIRECT or any other kind of loss.

CVE, CWE, and OVAL are registred trademarks of The MITRE Corporation and the authoritative source of CVE content is MITRE's CVE web site. This site includes MITRE data granted under the following license.

CVE.report and Source URL Uptime Status status.cve.report