Linux Kernel BPF segment.c nilfs_attach_log_writer memory leak
Summary
| CVE | CVE-2022-3646 |
|---|---|
| State | PUBLISHED |
| Assigner | VulDB |
| Source Priority | CVE Program / NVD first with legacy fallback |
| Published | 2022-10-21 18:15:10 UTC |
| Updated | 2026-10-14 14:17:27 UTC |
| Description | A vulnerability, which was classified as problematic, has been found in Linux Kernel. This issue affects the function nilfs_attach_log_writer of the file fs/nilfs2/segment.c of the component BPF. The manipulation leads to memory leak. The attack may be initiated remotely. It is recommended to apply a patch to fix this issue. The identifier VDB-211961 was assigned to this vulnerability. |
Risk And Classification
Primary CVSS: v3.1 4.3 MEDIUM from [email protected]
CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:L
Problem Types: CWE-404 | CWE-401 | CWE-404 CWE-404 Denial of Service -> CWE-401 Memory Leak
| Version | Source | Type | Score | Severity | Vector |
|---|---|---|---|---|---|
| 3.1 | [email protected] | Primary | 4.3 | MEDIUM | CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:L |
| 3.1 | [email protected] | Secondary | 3.1 | LOW | CVSS:3.1/AV:N/AC:H/PR:L/UI:N/S:U/C:N/I:N/A:L |
| 3.1 | CNA | DECLARED | 3.1 | LOW | CVSS:3.1/AV:N/AC:H/PR:L/UI:N/S:U/C:N/I:N/A:L |
CVSS v3.1 Breakdown
Attack Vector
NetworkAttack Complexity
LowPrivileges Required
LowUser Interaction
NoneScope
UnchangedConfidentiality
NoneIntegrity
NoneAvailability
LowCVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:L
NVD Known Affected Configurations (CPE 2.3)
| Type | Vendor | Product | Version | Update | Edition | Language |
|---|---|---|---|---|---|---|
| Operating System | Debian | Debian Linux | 10.0 | All | All | All |
| Operating System | Linux | Linux Kernel | - | All | All | All |
Vendor Declared Affected Products
| Source | Vendor | Product | Version | Platforms |
|---|---|---|---|---|
| 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
| Reference | Source | Link | Tags |
|---|---|---|---|
| [SECURITY] [DLA 3173-1] linux-5.10 security update | af854a3a-2127-422b-91ae-364da2661108 | lists.debian.org | Mailing List, Third Party Advisory |
| CVE-2022-3646 | Linux Kernel BPF segment.c nilfs_attach_log_writer memory leak | 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 | |
| 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 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 |
No vendor comments have been submitted for this CVE.
Legacy QID Mappings
- 181151 Debian Security Update for linux (CVE-2022-3646)
- 181190 Debian Security Update for linux-5.10 (DLA 3173-1)
- 181565 Debian Security Update for linux (DLA 3245-1)
- 199087 Ubuntu Security Notification for Linux kernel Vulnerabilities (USN-5792-1)
- 199088 Ubuntu Security Notification for Linux kernel Vulnerabilities (USN-5791-1)
- 199089 Ubuntu Security Notification for Linux kernel Vulnerabilities (USN-5793-1)
- 199091 Ubuntu Security Notification for Linux kernel (Azure) Vulnerabilities (USN-5791-2)
- 199094 Ubuntu Security Notification for Linux kernel Vulnerabilities (USN-5792-2)
- 199096 Ubuntu Security Notification for Linux kernel (Azure) Vulnerabilities (USN-5793-2)
- 199098 Ubuntu Security Notification for Linux kernel (IBM) Vulnerabilities (USN-5793-4)
- 199099 Ubuntu Security Notification for Linux kernel Vulnerabilities (USN-5793-3)
- 199100 Ubuntu Security Notification for Linux kernel (Azure) Vulnerabilities (USN-5791-3)
- 199119 Ubuntu Security Notification for Linux kernel (BlueField) Vulnerabilities (USN-5815-1)
- 199155 Ubuntu Security Notification for Linux kernel Vulnerabilities (USN-5854-1)
- 199164 Ubuntu Security Notification for Linux kernel (Qualcomm Snapdragon) Vulnerabilities (USN-5862-1)
- 199165 Ubuntu Security Notification for Linux kernel (Dell300x) Vulnerabilities (USN-5861-1)
- 199169 Ubuntu Security Notification for Linux kernel (Azure) Vulnerabilities (USN-5865-1)
- 199179 Ubuntu Security Notification for Linux kernel (GKE) Vulnerabilities (USN-5877-1)
- 199255 Ubuntu Security Notification for Linux kernel (OEM) Vulnerabilities (USN-5976-1)
- 199502 Ubuntu Security Notification for Linux kernel Vulnerabilities (USN-5975-1)
- 199541 Ubuntu Security Notification for Linux kernel (Azure) Vulnerabilities (USN-5924-1)
- 199560 Ubuntu Security Notification for Linux kernel (AWS) Vulnerabilities (USN-6001-1)
- 199566 Ubuntu Security Notification for Linux kernel (GCP) Vulnerabilities (USN-6007-1)
- 199567 Ubuntu Security Notification for Linux kernel (HWE) Vulnerabilities (USN-5883-1)
- 199568 Ubuntu Security Notification for Linux kernel (AWS) Vulnerabilities (USN-6013-1)
- 199577 Ubuntu Security Notification for Linux kernel Vulnerabilities (USN-6014-1)
- 199581 Ubuntu Security Notification for Linux kernel Vulnerabilities (USN-5919-1)
- 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
- 377891 Alibaba Cloud Linux Security Update for cloud-kernel (ALINUX3-SA-2023:0002)
- 6140113 AWS Bottlerocket Security Update for kernel (GHSA-fjm5-j4xf-hvmv)
- 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)