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Vulnerability · Published Feb 26, 2025 · Assigned by Linux

CVE-2022-49657usbnet: fix memory leak in error case

Medium 5.5

In plain English

A medium-severity memory leak in Linux from Linux. There are no confirmed reports of exploitation so far. The chance it is exploited in the next 30 days is estimated at 0.3% (higher than 21% of all known vulnerabilities). Fixed versions are available - upgrade the affected package.

Severity (CVSS 3.1)5.5Medium
Exploit odds (30 days)0.3%top 79.4% of all CVEs
Exploited in the wildNo reportsCISA SSVC: none
Attack toolingNoneno public tooling known

Official description

In the Linux kernel, the following vulnerability has been resolved: usbnet: fix memory leak in error case usbnet_write_cmd_async() mixed up which buffers need to be freed in which error case. v2: add Fixes tag v3: fix uninitialized buf pointer

Affected packages & fixed versions

EcosystemPackageFixed inAdvisory
AlmaLinux:9kernel5.14.0-611.5.1.el9_7ALSA-2025:20518
AlmaLinux:9kernel-64k5.14.0-611.5.1.el9_7ALSA-2025:20518
AlmaLinux:9kernel-64k-core5.14.0-611.5.1.el9_7ALSA-2025:20518
AlmaLinux:9kernel-64k-debug5.14.0-611.5.1.el9_7ALSA-2025:20518
AlmaLinux:9kernel-64k-debug-core5.14.0-611.5.1.el9_7ALSA-2025:20518
AlmaLinux:9kernel-64k-debug-devel5.14.0-611.5.1.el9_7ALSA-2025:20518
AlmaLinux:9kernel-64k-debug-devel-matched5.14.0-611.5.1.el9_7ALSA-2025:20518
AlmaLinux:9kernel-64k-debug-modules5.14.0-611.5.1.el9_7ALSA-2025:20518
AlmaLinux:9kernel-64k-debug-modules-core5.14.0-611.5.1.el9_7ALSA-2025:20518
AlmaLinux:9kernel-64k-debug-modules-extra5.14.0-611.5.1.el9_7ALSA-2025:20518
AlmaLinux:9kernel-64k-devel5.14.0-611.5.1.el9_7ALSA-2025:20518
AlmaLinux:9kernel-64k-devel-matched5.14.0-611.5.1.el9_7ALSA-2025:20518
AlmaLinux:9kernel-64k-modules5.14.0-611.5.1.el9_7ALSA-2025:20518
AlmaLinux:9kernel-64k-modules-core5.14.0-611.5.1.el9_7ALSA-2025:20518
AlmaLinux:9kernel-64k-modules-extra5.14.0-611.5.1.el9_7ALSA-2025:20518
AlmaLinux:9kernel-abi-stablelists5.14.0-611.5.1.el9_7ALSA-2025:20518
AlmaLinux:9kernel-core5.14.0-611.5.1.el9_7ALSA-2025:20518
AlmaLinux:9kernel-cross-headers5.14.0-611.5.1.el9_7ALSA-2025:20518
AlmaLinux:9kernel-debug5.14.0-611.5.1.el9_7ALSA-2025:20518
AlmaLinux:9kernel-debug-core5.14.0-611.5.1.el9_7ALSA-2025:20518
AlmaLinux:9kernel-debug-devel5.14.0-611.5.1.el9_7ALSA-2025:20518
AlmaLinux:9kernel-debug-devel-matched5.14.0-611.5.1.el9_7ALSA-2025:20518
AlmaLinux:9kernel-debug-modules5.14.0-611.5.1.el9_7ALSA-2025:20518
AlmaLinux:9kernel-debug-modules-core5.14.0-611.5.1.el9_7ALSA-2025:20518
AlmaLinux:9kernel-debug-modules-extra5.14.0-611.5.1.el9_7ALSA-2025:20518
AlmaLinux:9kernel-debug-uki-virt5.14.0-611.5.1.el9_7ALSA-2025:20518
AlmaLinux:9kernel-devel5.14.0-611.5.1.el9_7ALSA-2025:20518
AlmaLinux:9kernel-devel-matched5.14.0-611.5.1.el9_7ALSA-2025:20518
AlmaLinux:9kernel-doc5.14.0-611.5.1.el9_7ALSA-2025:20518
AlmaLinux:9kernel-headers5.14.0-611.5.1.el9_7ALSA-2025:20518
AlmaLinux:9kernel-modules5.14.0-611.5.1.el9_7ALSA-2025:20518
AlmaLinux:9kernel-modules-core5.14.0-611.5.1.el9_7ALSA-2025:20518
AlmaLinux:9kernel-modules-extra5.14.0-611.5.1.el9_7ALSA-2025:20518
AlmaLinux:9kernel-rt5.14.0-611.5.1.el9_7ALSA-2025:20518
AlmaLinux:9kernel-rt-64k5.14.0-611.5.1.el9_7ALSA-2025:20518
AlmaLinux:9kernel-rt-64k-core5.14.0-611.5.1.el9_7ALSA-2025:20518
AlmaLinux:9kernel-rt-64k-debug5.14.0-611.5.1.el9_7ALSA-2025:20518
AlmaLinux:9kernel-rt-64k-debug-core5.14.0-611.5.1.el9_7ALSA-2025:20518
AlmaLinux:9kernel-rt-64k-debug-devel5.14.0-611.5.1.el9_7ALSA-2025:20518
AlmaLinux:9kernel-rt-64k-debug-modules5.14.0-611.5.1.el9_7ALSA-2025:20518
AlmaLinux:9kernel-rt-64k-debug-modules-core5.14.0-611.5.1.el9_7ALSA-2025:20518
AlmaLinux:9kernel-rt-64k-debug-modules-extra5.14.0-611.5.1.el9_7ALSA-2025:20518
AlmaLinux:9kernel-rt-64k-devel5.14.0-611.5.1.el9_7ALSA-2025:20518
AlmaLinux:9kernel-rt-64k-modules5.14.0-611.5.1.el9_7ALSA-2025:20518
AlmaLinux:9kernel-rt-64k-modules-core5.14.0-611.5.1.el9_7ALSA-2025:20518
AlmaLinux:9kernel-rt-64k-modules-extra5.14.0-611.5.1.el9_7ALSA-2025:20518
AlmaLinux:9kernel-rt-core5.14.0-611.5.1.el9_7ALSA-2025:20518
AlmaLinux:9kernel-rt-debug5.14.0-611.5.1.el9_7ALSA-2025:20518
AlmaLinux:9kernel-rt-debug-core5.14.0-611.5.1.el9_7ALSA-2025:20518
AlmaLinux:9kernel-rt-debug-devel5.14.0-611.5.1.el9_7ALSA-2025:20518
AlmaLinux:9kernel-rt-debug-modules5.14.0-611.5.1.el9_7ALSA-2025:20518
AlmaLinux:9kernel-rt-debug-modules-core5.14.0-611.5.1.el9_7ALSA-2025:20518
AlmaLinux:9kernel-rt-debug-modules-extra5.14.0-611.5.1.el9_7ALSA-2025:20518
AlmaLinux:9kernel-rt-devel5.14.0-611.5.1.el9_7ALSA-2025:20518
AlmaLinux:9kernel-rt-modules5.14.0-611.5.1.el9_7ALSA-2025:20518
AlmaLinux:9kernel-rt-modules-core5.14.0-611.5.1.el9_7ALSA-2025:20518
AlmaLinux:9kernel-rt-modules-extra5.14.0-611.5.1.el9_7ALSA-2025:20518
AlmaLinux:9kernel-tools5.14.0-611.5.1.el9_7ALSA-2025:20518
AlmaLinux:9kernel-tools-libs5.14.0-611.5.1.el9_7ALSA-2025:20518
AlmaLinux:9kernel-tools-libs-devel5.14.0-611.5.1.el9_7ALSA-2025:20518
AlmaLinux:9kernel-uki-virt5.14.0-611.5.1.el9_7ALSA-2025:20518
AlmaLinux:9kernel-uki-virt-addons5.14.0-611.5.1.el9_7ALSA-2025:20518
AlmaLinux:9kernel-zfcpdump5.14.0-611.5.1.el9_7ALSA-2025:20518
AlmaLinux:9kernel-zfcpdump-core5.14.0-611.5.1.el9_7ALSA-2025:20518
AlmaLinux:9kernel-zfcpdump-devel5.14.0-611.5.1.el9_7ALSA-2025:20518
AlmaLinux:9kernel-zfcpdump-devel-matched5.14.0-611.5.1.el9_7ALSA-2025:20518
AlmaLinux:9kernel-zfcpdump-modules5.14.0-611.5.1.el9_7ALSA-2025:20518
AlmaLinux:9kernel-zfcpdump-modules-core5.14.0-611.5.1.el9_7ALSA-2025:20518
AlmaLinux:9kernel-zfcpdump-modules-extra5.14.0-611.5.1.el9_7ALSA-2025:20518
AlmaLinux:9libperf5.14.0-611.5.1.el9_7ALSA-2025:20518
AlmaLinux:9perf5.14.0-611.5.1.el9_7ALSA-2025:20518
AlmaLinux:9python3-perf5.14.0-611.5.1.el9_7ALSA-2025:20518
AlmaLinux:9rtla5.14.0-611.5.1.el9_7ALSA-2025:20518
AlmaLinux:9rv5.14.0-611.5.1.el9_7ALSA-2025:20518
Debian:12linux5.18.14-1DEBIAN-CVE-2022-49657
Debian:13linux5.18.14-1DEBIAN-CVE-2022-49657
Debian:14linux5.18.14-1DEBIAN-CVE-2022-49657
Rocky Linux:9kernel0:5.14.0-611.5.1.el9_7RLSA-2025:20518
Ubuntu:22.04:LTSlinux5.15.0-50.56UBUNTU-CVE-2022-49657
Ubuntu:22.04:LTSlinux-allwinner-5.19no fix listedUBUNTU-CVE-2022-49657
Ubuntu:22.04:LTSlinux-aws5.15.0-1021.25UBUNTU-CVE-2022-49657
Ubuntu:22.04:LTSlinux-aws-5.19no fix listedUBUNTU-CVE-2022-49657
Ubuntu:22.04:LTSlinux-aws-6.2no fix listedUBUNTU-CVE-2022-49657
Ubuntu:22.04:LTSlinux-aws-6.5no fix listedUBUNTU-CVE-2022-49657
Ubuntu:22.04:LTSlinux-azure5.15.0-1021.26UBUNTU-CVE-2022-49657
Ubuntu:22.04:LTSlinux-azure-5.19no fix listedUBUNTU-CVE-2022-49657
Ubuntu:22.04:LTSlinux-azure-6.2no fix listedUBUNTU-CVE-2022-49657
Ubuntu:22.04:LTSlinux-azure-6.5no fix listedUBUNTU-CVE-2022-49657
Ubuntu:22.04:LTSlinux-azure-fde5.15.0-1024.30.1UBUNTU-CVE-2022-49657
Ubuntu:22.04:LTSlinux-azure-fde-5.19no fix listedUBUNTU-CVE-2022-49657
Ubuntu:22.04:LTSlinux-azure-fde-6.2no fix listedUBUNTU-CVE-2022-49657
Ubuntu:22.04:LTSlinux-gcp5.15.0-1019.25UBUNTU-CVE-2022-49657
Ubuntu:22.04:LTSlinux-gcp-5.19no fix listedUBUNTU-CVE-2022-49657
Ubuntu:22.04:LTSlinux-gcp-6.2no fix listedUBUNTU-CVE-2022-49657
Ubuntu:22.04:LTSlinux-gcp-6.5no fix listedUBUNTU-CVE-2022-49657
Ubuntu:22.04:LTSlinux-gke5.15.0-1017.20UBUNTU-CVE-2022-49657
Ubuntu:22.04:LTSlinux-gkeop5.15.0-1004.6UBUNTU-CVE-2022-49657
Ubuntu:22.04:LTSlinux-hwe-5.19no fix listedUBUNTU-CVE-2022-49657
Ubuntu:22.04:LTSlinux-hwe-6.2no fix listedUBUNTU-CVE-2022-49657
Ubuntu:22.04:LTSlinux-hwe-6.5no fix listedUBUNTU-CVE-2022-49657
Ubuntu:22.04:LTSlinux-ibm5.15.0-1015.17UBUNTU-CVE-2022-49657
Ubuntu:22.04:LTSlinux-intel-iot-realtimeno fix listedUBUNTU-CVE-2022-49657
Ubuntu:22.04:LTSlinux-intel-iotg5.15.0-1017.22UBUNTU-CVE-2022-49657
Ubuntu:22.04:LTSlinux-kvm5.15.0-1019.23UBUNTU-CVE-2022-49657
Ubuntu:22.04:LTSlinux-lowlatency5.15.0-50.56UBUNTU-CVE-2022-49657
Ubuntu:22.04:LTSlinux-lowlatency-hwe-5.19no fix listedUBUNTU-CVE-2022-49657
Ubuntu:22.04:LTSlinux-lowlatency-hwe-6.2no fix listedUBUNTU-CVE-2022-49657
Ubuntu:22.04:LTSlinux-lowlatency-hwe-6.5no fix listedUBUNTU-CVE-2022-49657
Ubuntu:22.04:LTSlinux-nvidia5.15.0-1015.15UBUNTU-CVE-2022-49657
Ubuntu:22.04:LTSlinux-nvidia-6.2no fix listedUBUNTU-CVE-2022-49657
Ubuntu:22.04:LTSlinux-nvidia-6.5no fix listedUBUNTU-CVE-2022-49657
Ubuntu:22.04:LTSlinux-oem-5.17no fix listedUBUNTU-CVE-2022-49657
Ubuntu:22.04:LTSlinux-oem-6.0no fix listedUBUNTU-CVE-2022-49657
Ubuntu:22.04:LTSlinux-oem-6.1no fix listedUBUNTU-CVE-2022-49657
Ubuntu:22.04:LTSlinux-oem-6.5no fix listedUBUNTU-CVE-2022-49657
Ubuntu:22.04:LTSlinux-oracle5.15.0-1019.24UBUNTU-CVE-2022-49657
Ubuntu:22.04:LTSlinux-oracle-6.5no fix listedUBUNTU-CVE-2022-49657
Ubuntu:22.04:LTSlinux-raspi5.15.0-1016.18UBUNTU-CVE-2022-49657
Ubuntu:24.04:LTSlinux-raspi-realtimeno fix listedUBUNTU-CVE-2022-49657
Ubuntu:22.04:LTSlinux-realtimeno fix listedUBUNTU-CVE-2022-49657
Ubuntu:22.04:LTSlinux-riscvno fix listedUBUNTU-CVE-2022-49657
Ubuntu:22.04:LTSlinux-riscv-5.19no fix listedUBUNTU-CVE-2022-49657
Ubuntu:22.04:LTSlinux-riscv-6.5no fix listedUBUNTU-CVE-2022-49657
Ubuntu:22.04:LTSlinux-starfive-5.19no fix listedUBUNTU-CVE-2022-49657
Ubuntu:22.04:LTSlinux-starfive-6.2no fix listedUBUNTU-CVE-2022-49657
Ubuntu:22.04:LTSlinux-starfive-6.5no fix listedUBUNTU-CVE-2022-49657

Affected products (as reported)

VendorProductVersions
Linux Linux 877bd862f32b815d54ab5fc10a4fd903d7bf3012 – before 3eed421ca5c809da93456f69203d164d5220be3d877bd862f32b815d54ab5fc10a4fd903d7bf3012 – before 5269209f54dd8dfd15f9383f3a3a1fe8370764f8877bd862f32b815d54ab5fc10a4fd903d7bf3012 – before d5165e657987ff4ba0ace896d4376a3718a9fbc3877bd862f32b815d54ab5fc10a4fd903d7bf3012 – before 04894ab34faf40ab72a8a5ab5b404bb0606bbbff877bd862f32b815d54ab5fc10a4fd903d7bf3012 – before 0085da9df3dced730027923a6b48f58e9016af91877bd862f32b815d54ab5fc10a4fd903d7bf3012 – before db89582ff330556188da856e01382ccbf3a5e706877bd862f32b815d54ab5fc10a4fd903d7bf3012 – before e7b4f69946a38209b4a4f660bf0e4cbed94f9b4b877bd862f32b815d54ab5fc10a4fd903d7bf3012 – before b55a21b764c1e182014630fa5486d717484ac58f
Linux Linux 3.8

Weakness: CWE-401 · Vector: CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H

References