Linux Kernel nilfs2 inode.c nilfs_bmap_lookup_at_level null pointer dereference

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Summary

CVECVE-2022-3621
StatePUBLISHED
AssignerVulDB
Source PriorityCVE Program / NVD first with legacy fallback
Published2022-10-20 20:15:09 UTC
Updated2026-10-14 14:17:25 UTC
DescriptionA vulnerability was found in Linux Kernel. It has been classified as problematic. Affected is the function nilfs_bmap_lookup_at_level of the file fs/nilfs2/inode.c of the component nilfs2. The manipulation leads to null pointer dereference. It is possible to launch the attack remotely. It is recommended to apply a patch to fix this issue. The identifier of this vulnerability is VDB-211920.

Risk And Classification

Primary CVSS: v3.1 6.5 MEDIUM from [email protected]

CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H

Problem Types: CWE-404 | CWE-476 | CWE-404 CWE-404 Denial of Service -> CWE-476 NULL Pointer Dereference

VersionSourceTypeScoreSeverityVector
3.1[email protected]Primary6.5MEDIUMCVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H
3.1[email protected]Secondary4.3MEDIUMCVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:L
3.1CNADECLARED4.3MEDIUMCVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:L

CVSS v3.1 Breakdown

Attack Vector
Network
Attack Complexity
Low
Privileges Required
Low
User Interaction
None
Scope
Unchanged
Confidentiality
None
Integrity
None
Availability
High

CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H

NVD Known Affected Configurations (CPE 2.3)

TypeVendorProductVersionUpdateEditionLanguage
Operating System Debian Debian Linux 10.0 All All All
Operating System Linux Linux Kernel - All All All

Vendor Declared Affected Products

SourceVendorProductVersionPlatforms
CNA Linux Kernel affected n/a Not specified
ADP Siemens SIMATIC S7-1500 TM MFP - GNU/Linux Subsystem affected V1.1 custom Not specified

References

ReferenceSourceLinkTags
kernel/git/bpf/bpf-next.git - BPF next kernel tree af854a3a-2127-422b-91ae-364da2661108 git.kernel.org Mailing List, Patch, Vendor Advisory
[SECURITY] [DLA 3173-1] linux-5.10 security update af854a3a-2127-422b-91ae-364da2661108 lists.debian.org Mailing List, Third Party Advisory
Login required af854a3a-2127-422b-91ae-364da2661108 vuldb.com Third Party Advisory
cert-portal.siemens.com/productcert/html/ssa-794697.html 0b142b55-0307-4c5a-b3c9-f314f3fb7c5e cert-portal.siemens.com
[SECURITY] [DLA 3245-1] linux security update af854a3a-2127-422b-91ae-364da2661108 lists.debian.org Mailing List, Third Party Advisory
CVE Program record CVE.ORG www.cve.org canonical
NVD vulnerability detail NVD nvd.nist.gov canonical, analysis

Legacy QID Mappings

  • 181158 Debian Security Update for linux (CVE-2022-3621)
  • 181190 Debian Security Update for linux-5.10 (DLA 3173-1)
  • 181565 Debian Security Update for linux (DLA 3245-1)
  • 199055 Ubuntu Security Notification for Linux kernel Vulnerabilities (USN-5754-1)
  • 199056 Ubuntu Security Notification for Linux kernel Vulnerabilities (USN-5757-1)
  • 199057 Ubuntu Security Notification for Linux kernel Vulnerabilities (USN-5755-1)
  • 199059 Ubuntu Security Notification for Linux kernel Vulnerabilities (USN-5756-1)
  • 199060 Ubuntu Security Notification for Linux kernel (GKE) Vulnerabilities (USN-5756-2)
  • 199061 Ubuntu Security Notification for Linux kernel Vulnerabilities (USN-5755-2)
  • 199070 Ubuntu Security Notification for Linux kernel (Azure) Vulnerabilities (USN-5756-3)
  • 199071 Ubuntu Security Notification for Linux kernel (Azure) Vulnerabilities (USN-5754-2)
  • 199072 Ubuntu Security Notification for Linux kernel (Azure) Vulnerabilities (USN-5774-1)
  • 199073 Ubuntu Security Notification for Linux kernel (OEM) Vulnerabilities (USN-5773-1)
  • 199078 Ubuntu Security Notification for Linux kernel (Azure) Vulnerabilities (USN-5779-1)
  • 199084 Ubuntu Security Notification for Linux kernel (OEM) Vulnerabilities (USN-5789-1)
  • 354107 Amazon Linux Security Advisory for kernel : ALAS2KERNEL-5.4-2022-038
  • 354110 Amazon Linux Security Advisory for kernel : ALAS2KERNEL-5.10-2022-022
  • 354114 Amazon Linux Security Advisory for kernel : ALAS2-2022-1876
  • 354251 Amazon Linux Security Advisory for kernel : ALAS-2022-1645
  • 354665 Amazon Linux Security Advisory for kernel-livepatch : ALAS2LIVEPATCH-2023-095
  • 354666 Amazon Linux Security Advisory for kernel-livepatch : ALAS2LIVEPATCH-2023-098
  • 354667 Amazon Linux Security Advisory for kernel-livepatch : ALAS2LIVEPATCH-2023-097
  • 354740 Amazon Linux Security Advisory for kernel-livepatch : ALAS2LIVEPATCH-2023-103
  • 354743 Amazon Linux Security Advisory for kernel-livepatch : ALAS2LIVEPATCH-2023-104
  • 377891 Alibaba Cloud Linux Security Update for cloud-kernel (ALINUX3-SA-2023:0002)
  • 6140046 AWS Bottlerocket Security Update for kernel (GHSA-7cmf-567h-qj76)
  • 752813 SUSE Enterprise Linux Security Update for the Linux Kernel (SUSE-SU-2022:3930-1)
  • 752839 SUSE Enterprise Linux Security Update for the Linux Kernel (SUSE-SU-2022:3929-1)
  • 752880 SUSE Enterprise Linux Security Update for the Linux Kernel (SUSE-SU-2022:4053-1)
  • 752889 SUSE Enterprise Linux Security Update for the Linux Kernel (SUSE-SU-2022:3897-1)
  • 752911 SUSE Enterprise Linux Security Update for the Linux Kernel (SUSE-SU-2022:3998-1)
  • 752913 SUSE Enterprise Linux Security Update for the Linux Kernel (SUSE-SU-2022:4072-1)
  • 752944 SUSE Enterprise Linux Security Update for the Linux Kernel (SUSE-SU-2022:4273-1)
  • 752959 SUSE Enterprise Linux Security Update for the Linux Kernel (SUSE-SU-2022:4272-1)
  • 753038 SUSE Enterprise Linux Security Update for the Linux Kernel (SUSE-SU-2022:4573-1)
  • 753039 SUSE Enterprise Linux Security Update for the Linux Kernel (SUSE-SU-2022:4574-1)
  • 753051 SUSE Enterprise Linux Security Update for the Linux Kernel (SUSE-SU-2022:4589-1)
  • 753060 SUSE Enterprise Linux Security Update for the Linux Kernel (SUSE-SU-2022:4615-1)
  • 753063 SUSE Enterprise Linux Security Update for the Linux Kernel (SUSE-SU-2022:4617-1)
  • 753703 SUSE Enterprise Linux Security Update for the Linux Kernel (SUSE-SU-2023:0416-1)
  • 753707 SUSE Enterprise Linux Security Update for the Linux Kernel (SUSE-SU-2023:0416-1)
  • 753727 SUSE Enterprise Linux Security Update for the Linux Kernel (SUSE-SU-2023:0416-1)

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