Skip to content
OpenAdvisories
Unscored CVE-2022-49199 EUVD-2022-55027GHSA-4gx4-w2xq-pwmj

RDMA/nldev: Prevent underflow in nldev_stat_set_counter_dynamic_doit()

Published Feb 26, 2025 · Updated May 11, 2026 · Assigned by Linux

Vendor: Linux Product: Linux Package: linux Package: linux-allwinner-5.19 Package: linux-aws-5.0 Package: linux-aws-5.11 Package: linux-aws-5.13 Package: linux-aws-5.19 Package: linux-aws-5.3 Package: linux-aws-5.8 Package: linux-aws-6.2 Package: linux-aws-6.5 Package: linux-azure Package: linux-azure-5.11 Package: linux-azure-5.13 Package: linux-azure-5.19 Package: linux-azure-5.3 Package: linux-azure-5.8 Package: linux-azure-6.2 Package: linux-azure-6.5 Package: linux-azure-edge Package: linux-azure-fde Package: linux-azure-fde-5.19 Package: linux-azure-fde-6.2 Package: linux-gcp Package: linux-gcp-5.11 Package: linux-gcp-5.13 Package: linux-gcp-5.19 Package: linux-gcp-5.3 Package: linux-gcp-5.8 Package: linux-gcp-6.2 Package: linux-gcp-6.5 Package: linux-gke Package: linux-gke-4.15 Package: linux-gke-5.15 Package: linux-gke-5.4 Package: linux-gkeop Package: linux-gkeop-5.15 Package: linux-gkeop-5.4 Package: linux-hwe Package: linux-hwe-5.11 Package: linux-hwe-5.13 Package: linux-hwe-5.19 Package: linux-hwe-5.8 Package: linux-hwe-6.2 Package: linux-hwe-6.5 Package: linux-hwe-edge Package: linux-intel-5.13 Package: linux-intel-iot-realtime Package: linux-lowlatency-hwe-5.19 Package: linux-lowlatency-hwe-6.2 Package: linux-lowlatency-hwe-6.5 Package: linux-nvidia-6.2 Package: linux-nvidia-6.5 Package: linux-oem Package: linux-oem-5.10 Package: linux-oem-5.13 Package: linux-oem-5.14 Package: linux-oem-5.17 Package: linux-oem-5.6 Package: linux-oem-6.0 Package: linux-oem-6.1 Package: linux-oem-6.5 Package: linux-oracle-5.0 Package: linux-oracle-5.11 Package: linux-oracle-5.13 Package: linux-oracle-5.3 Package: linux-oracle-5.8 Package: linux-oracle-6.5 Package: linux-raspi-realtime Package: linux-raspi2 Package: linux-realtime Package: linux-riscv Package: linux-riscv-5.11 Package: linux-riscv-5.19 Package: linux-riscv-5.8 Package: linux-riscv-6.5 Package: linux-starfive-5.19 Package: linux-starfive-6.2 Package: linux-starfive-6.5 Platform: Linux Ecosystem: Debian Ecosystem: Ubuntu

Description

In the Linux kernel, the following vulnerability has been resolved:

RDMA/nldev: Prevent underflow in nldev_stat_set_counter_dynamic_doit()

This code checks "index" for an upper bound but it does not check for
negatives. Change the type to unsigned to prevent underflows.

Affected products

VendorProductAffectedFixed
Linux Linux 5.16 5.16.19

Fixed in Linux distributions

Distributions backport fixes, so the version that fixes this vulnerability differs per release — upgrade to at least the version shown. From the distributions' security trackers and advisories.

Debian

Security tracker ↗
ReleasePackageFixed inAdvisory
Debian 14 linux 5.17.3-1 —
Debian 13 linux 5.17.3-1 —
Debian 12 linux 5.17.3-1 —

Ubuntu

Security tracker ↗
ReleasePackageFixed inAdvisory
Ubuntu 24.04 LTS linux-raspi-realtime No fix yet —
Ubuntu 22.04 LTS linux-riscv +32 No fix yet —
Ubuntu 20.04 LTS linux-gke +28 No fix yet —
Ubuntu 18.04 LTS linux-gcp +14 No fix yet —
Ubuntu 16.04 LTS linux-hwe-edge No fix yet —

Red Hat

Security tracker ↗
ReleasePackageFixed inAdvisory
RHEL 9 perf +29 5.14.0-162.6.1.el9_1 RHSA-2022:8267
RHEL 8 perf +26 4.18.0-425.3.1.el8 RHSA-2022:7683

SUSE

Security tracker ↗
ReleasePackageFixed inAdvisory
SLES 15 SP5 kernel-64kb +6 5.14.21-150500.55.100.1 SUSE-SU-2025:1241-1
SLES 15 SP5 kernel-default-base 5.14.21-150500.55.100.1.150500.6.47.1 SUSE-SU-2025:1241-1
SLES 15 SP4 kernel-64kb +6 5.14.21-150400.24.158.1 SUSE-SU-2025:1027-1
SLES 15 SP4 kernel-default-base 5.14.21-150400.24.158.1.150400.24.78.1 SUSE-SU-2025:1027-1
Show 11 more (older releases, extended support, other products)
ReleasePackageFixed inAdvisory
SLES for SAP 15 SP5 kernel-default-base 5.14.21-150500.55.100.1.150500.6.47.1 SUSE-SU-2025:1241-1
SLES for SAP 15 SP5 kernel-docs +4 5.14.21-150500.55.100.1 SUSE-SU-2025:1241-1
SLES for SAP 15 SP4 kernel-default-base 5.14.21-150400.24.158.1.150400.24.78.1 SUSE-SU-2025:1027-1
SLES for SAP 15 SP4 kernel-docs +4 5.14.21-150400.24.158.1 SUSE-SU-2025:1027-1
SLE Micro 5.5 kernel-default-base 5.14.21-150500.55.100.1.150500.6.47.1 SUSE-SU-2025:1241-1
SLE Micro 5.5 kernel-rt +1 5.14.21-150500.13.91.1 SUSE-SU-2025:1176-1
SLE Micro 5.5 kernel-source +1 5.14.21-150500.55.100.1 SUSE-SU-2025:1241-1
SLE Micro 5.4 kernel-default 5.14.21-150400.24.158.1 SUSE-SU-2025:1027-1
SLE Micro 5.4 kernel-default-base 5.14.21-150400.24.158.1.150400.24.78.1 SUSE-SU-2025:1027-1
SLE Micro 5.4 kernel-rt +1 5.14.21-150400.15.115.1 SUSE-SU-2025:1183-1
SLE Micro 5.3 kernel-default 5.14.21-150400.24.158.1 SUSE-SU-2025:1027-1
SLE Micro 5.3 kernel-default-base 5.14.21-150400.24.158.1.150400.24.78.1 SUSE-SU-2025:1027-1
SLE Micro 5.3 kernel-rt +1 5.14.21-150400.15.115.1 SUSE-SU-2025:1183-1
SLE Live Patching 15 SP5 kernel-default 5.14.21-150500.55.100.1 SUSE-SU-2025:1241-1
SLE Live Patching 15 SP5 kernel-livepatch-SLE15-SP5_Update_25 1-150500.11.3.1 SUSE-SU-2025:1241-1
SLE Live Patching 15 SP4 kernel-default 5.14.21-150400.24.158.1 SUSE-SU-2025:1027-1
SLE Live Patching 15 SP4 kernel-livepatch-SLE15-SP4_Update_38 1-150400.9.3.1 SUSE-SU-2025:1027-1
SLE HPC 15 SP5 kernel-64kb +5 5.14.21-150500.55.100.1 SUSE-SU-2025:1241-1
SLE HPC 15 SP5 kernel-default-base 5.14.21-150500.55.100.1.150500.6.47.1 SUSE-SU-2025:1241-1
SLE HPC 15 SP4 kernel-64kb +5 5.14.21-150400.24.158.1 SUSE-SU-2025:1027-1
SLE HPC 15 SP4 kernel-default-base 5.14.21-150400.24.158.1.150400.24.78.1 SUSE-SU-2025:1027-1
SUSE Manager Server 4.3 kernel-default-base 5.14.21-150400.24.158.1.150400.24.78.1 SUSE-SU-2025:1027-1
SUSE Manager Server 4.3 kernel-syms +3 5.14.21-150400.24.158.1 SUSE-SU-2025:1027-1
SUSE Manager Proxy 4.3 kernel-default-base 5.14.21-150400.24.158.1.150400.24.78.1 SUSE-SU-2025:1027-1
SUSE Manager Proxy 4.3 kernel-syms +2 5.14.21-150400.24.158.1 SUSE-SU-2025:1027-1

Advisories 6

References