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Critical · 9.8 CVE-2026-53215 EUVD-2026-39306GHSA-37pv-m98r-vgm8

net: mvpp2: refill RX buffers before XDP or skb use

Published Jun 25, 2026 · Updated Oct 19, 2026 · Assigned by Linux

Vendor: Linux Product: Linux Package: linux Package: linux Package: linux-allwinner-5.19 Package: linux-aws Package: linux-aws-5.0 Package: linux-aws-5.11 Package: linux-aws-5.13 Package: linux-aws-5.15 Package: linux-aws-5.19 Package: linux-aws-5.3 Package: linux-aws-5.8 Package: linux-aws-6.14 Package: linux-aws-6.17 Package: linux-aws-6.2 Package: linux-aws-6.5 Package: linux-aws-6.8 Package: linux-aws-7.0 Package: linux-aws-fips Package: linux-azure Package: linux-azure-5.11 Package: linux-azure-5.13 Package: linux-azure-5.15 Package: linux-azure-5.19 Package: linux-azure-5.3 Package: linux-azure-5.8 Package: linux-azure-6.11 Package: linux-azure-6.14 Package: linux-azure-6.17 Package: linux-azure-6.2 Package: linux-azure-6.5 Package: linux-azure-6.8 Package: linux-azure-7.0 Package: linux-azure-edge Package: linux-azure-fde Package: linux-azure-fde-5.15 Package: linux-azure-fde-5.19 Package: linux-azure-fde-6.14 Package: linux-azure-fde-6.17 Package: linux-azure-fde-6.2 Package: linux-azure-fde-6.8 Package: linux-azure-fde-7.0 Package: linux-azure-fips Package: linux-azure-nvidia Package: linux-azure-nvidia-6.14 Package: linux-bluefield Package: linux-fips Package: linux-gcp Package: linux-gcp-5.11 Package: linux-gcp-5.13 Package: linux-gcp-5.15 Package: linux-gcp-5.19 Package: linux-gcp-5.3 Package: linux-gcp-5.8 Package: linux-gcp-6.11 Package: linux-gcp-6.14 Package: linux-gcp-6.17 Package: linux-gcp-6.2 Package: linux-gcp-6.5 Package: linux-gcp-6.8 Package: linux-gcp-7.0 Package: linux-gcp-fips 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-5.15 Package: linux-hwe-5.19 Package: linux-hwe-5.8 Package: linux-hwe-6.11 Package: linux-hwe-6.14 Package: linux-hwe-6.17 Package: linux-hwe-6.2 Package: linux-hwe-6.5 Package: linux-hwe-6.8 Package: linux-hwe-7.0 Package: linux-hwe-edge Package: linux-ibm Package: linux-ibm-5.15 Package: linux-ibm-6.8 Package: linux-intel-5.13 Package: linux-intel-iot-realtime Package: linux-intel-iotg Package: linux-intel-iotg-5.15 Package: linux-kvm Package: linux-lowlatency Package: linux-lowlatency-hwe-5.15 Package: linux-lowlatency-hwe-5.19 Package: linux-lowlatency-hwe-6.11 Package: linux-lowlatency-hwe-6.2 Package: linux-lowlatency-hwe-6.5 Package: linux-lowlatency-hwe-6.8 Package: linux-nvidia Package: linux-nvidia-6.11 Package: linux-nvidia-6.17 Package: linux-nvidia-6.2 Package: linux-nvidia-6.5 Package: linux-nvidia-6.8 Package: linux-nvidia-7.0 Package: linux-nvidia-bos Package: linux-nvidia-lowlatency Package: linux-nvidia-tegra Package: linux-nvidia-tegra-5.15 Package: linux-nvidia-tegra-igx 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-6.11 Package: linux-oem-6.14 Package: linux-oem-6.17 Package: linux-oem-6.5 Package: linux-oem-6.8 Package: linux-oem-7.0 Package: linux-oracle Package: linux-oracle-5.0 Package: linux-oracle-5.11 Package: linux-oracle-5.13 Package: linux-oracle-5.15 Package: linux-oracle-5.3 Package: linux-oracle-5.8 Package: linux-oracle-6.14 Package: linux-oracle-6.17 Package: linux-oracle-6.5 Package: linux-oracle-6.8 Package: linux-oracle-7.0 Package: linux-raspi Package: linux-raspi-realtime Package: linux-raspi2 Package: linux-realtime Package: linux-realtime-6.14 Package: linux-realtime-6.17 Package: linux-realtime-6.8 Package: linux-riscv Package: linux-riscv-5.11 Package: linux-riscv-5.15 Package: linux-riscv-5.19 Package: linux-riscv-5.8 Package: linux-riscv-6.14 Package: linux-riscv-6.17 Package: linux-riscv-6.5 Package: linux-riscv-6.8 Package: linux-riscv-7.0 Package: linux-starfive-5.19 Package: linux-starfive-6.2 Package: linux-starfive-6.5 Package: linux-vmware Package: linux-xilinx Package: linux-xilinx-zynqmp Platform: Linux Ecosystem: Debian Ecosystem: Ubuntu

Description

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

net: mvpp2: refill RX buffers before XDP or skb use

The RX error path returns the current descriptor buffer to the hardware
BM pool. That is only valid while the driver still owns the buffer.

mvpp2_rx_refill() can fail after the current buffer has been handed to
XDP or attached to an skb. In those cases mvpp2_run_xdp() may have
recycled, redirected, or queued the page for XDP_TX, and an skb free also
retires the data buffer. Returning such a buffer to BM lets hardware DMA
into memory that is no longer owned by the RX ring.

Refill the BM pool before handing the current buffer to XDP or to the
skb. If the allocation fails there, drop the packet and return the
still-owned current buffer to BM, preserving the pool depth. Once the
refill succeeds, later local drops retire/free the current buffer instead
of returning it to BM.

Affected products

VendorProductAffectedFixed
Linux Linux 5.7.15 – < 5.8, 5.8.2 – < 5.9, 5.9 5.8

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.

ReleasePackageFixed inAdvisory
Debian 14 linux 7.0.13-1 —
Debian 13 linux 6.12.94-1 —
Debian 12 linux 6.1.176-1 —
ReleasePackageFixed inAdvisory
Ubuntu Nvidia-BlueField 24.04 LTS linux-bluefield 6.8.0-1028.33 —
Ubuntu Nvidia-BlueField 22.04 LTS linux-bluefield 5.15.0-1097.99 —
Ubuntu 26.04 LTS linux 7.0.0-29.29 USN-8629-1
Ubuntu 26.04 LTS linux-aws +3 7.0.0-1010.10 USN-8660-1, USN-8637-1, USN-8629-1
Ubuntu 26.04 LTS linux-gke 7.0.0-1005.6 USN-8660-1
Ubuntu 26.04 LTS linux-ibm +1 7.0.0-1011.11 USN-8629-1
Ubuntu 26.04 LTS linux-nvidia-bos 7.0.0-2016.16 USN-8664-1
Ubuntu 26.04 LTS linux-oracle 7.0.0-1009.9 USN-8629-1
Ubuntu 26.04 LTS linux-raspi +1 7.0.0-1016.16 USN-8663-1, USN-8629-1
Ubuntu 26.04 LTS linux-riscv +1 7.0.0-29.29.1 USN-8629-1
Ubuntu 25.10 linux +8 No fix yet —
Ubuntu 24.04 LTS linux 6.8.0-137.137 USN-8630-1
Ubuntu 24.04 LTS linux-aws 6.8.0-1062.65 USN-8630-1
Ubuntu 24.04 LTS linux-aws-7.0 7.0.0-1010.10~24.04.1 USN-8629-2
Ubuntu 24.04 LTS linux-azure 6.8.0-1064.72 USN-8630-1
Ubuntu 24.04 LTS linux-azure-7.0 7.0.0-1014.14~24.04.1 USN-8728-2
Ubuntu 24.04 LTS linux-azure-fde 6.8.0-1063.70 USN-8630-1
Ubuntu 24.04 LTS linux-azure-fde-7.0 7.0.0-1013.13~24.04.1 —
Ubuntu 24.04 LTS linux-gcp 6.8.0-1065.73 USN-8630-1
Ubuntu 24.04 LTS linux-gcp-7.0 +1 7.0.0-1011.11~24.04.1 USN-8728-3, USN-8728-1
Ubuntu 24.04 LTS linux-gke 6.8.0-1060.68 USN-8630-1
Ubuntu 24.04 LTS linux-gkeop 6.8.0-1047.51 USN-8630-1
Ubuntu 24.04 LTS linux-hwe-7.0 7.0.0-29.29~24.04.2 USN-8629-3
Ubuntu 24.04 LTS linux-ibm 6.8.0-1062.63 USN-8630-1
Ubuntu 24.04 LTS linux-lowlatency 6.8.0-137.137.1 USN-8630-2
Ubuntu 24.04 LTS linux-nvidia 6.8.0-1060.63 USN-8630-1
Ubuntu 24.04 LTS linux-nvidia-6.17 6.17.0-1032.32 USN-8748-1
Ubuntu 24.04 LTS linux-nvidia-7.0 7.0.0-1016.16~24.04.1 USN-8663-1
Ubuntu 24.04 LTS linux-nvidia-lowlatency 6.8.0-1060.63.1 USN-8630-1
Ubuntu 24.04 LTS linux-nvidia-tegra 6.8.0-1031.32 USN-8630-2
Ubuntu 24.04 LTS linux-oem-6.17 6.17.0-1033.33 USN-8911-1
Ubuntu 24.04 LTS linux-oracle 6.8.0-1059.62 USN-8630-2
Ubuntu 24.04 LTS linux-raspi 6.8.0-1062.66 USN-8630-5
Ubuntu 24.04 LTS linux-riscv +26 No fix yet —
Ubuntu 24.04 LTS linux-riscv-7.0 7.0.0-30.30.1~24.04.1 —
Ubuntu 24.04 LTS linux-vmware 6.8.0-1008.8 —
Ubuntu 24.04 LTS linux-xilinx 6.8.0-1034.35 USN-8630-1
Show 15 more (older releases, extended support, other products)
ReleasePackageFixed inAdvisory
Ubuntu 22.04 LTS linux 5.15.0-187.197 USN-8631-1
Ubuntu 22.04 LTS linux-aws 5.15.0-1113.120 USN-8631-1
Ubuntu 22.04 LTS linux-aws-6.8 6.8.0-1062.65~22.04.2 USN-8630-4
Ubuntu 22.04 LTS linux-azure +1 5.15.0-1118.127 USN-8631-1
Ubuntu 22.04 LTS linux-azure-6.8 6.8.0-1064.72~22.04.1 USN-8630-1
Ubuntu 22.04 LTS linux-azure-fde-6.8 6.8.0-1063.70~22.04.1 USN-8630-1
Ubuntu 22.04 LTS linux-gcp 5.15.0-1114.124 USN-8661-1
Ubuntu 22.04 LTS linux-gcp-6.8 6.8.0-1065.73~22.04.1 USN-8630-1
Ubuntu 22.04 LTS linux-gke +1 5.15.0-1110.116 USN-8661-3, USN-8631-2
Ubuntu 22.04 LTS linux-gkeop 5.15.0-1096.104 USN-8631-1
Ubuntu 22.04 LTS linux-hwe-6.8 6.8.0-138.138~22.04.1 USN-8656-1
Ubuntu 22.04 LTS linux-ibm 5.15.0-1107.111 USN-8631-1
Ubuntu 22.04 LTS linux-ibm-6.8 6.8.0-1062.63~22.04.1 USN-8630-1
Ubuntu 22.04 LTS linux-intel-iotg 5.15.0-1108.114 USN-8631-1
Ubuntu 22.04 LTS linux-kvm 5.15.0-1105.110 USN-8631-1
Ubuntu 22.04 LTS linux-lowlatency 5.15.0-190.200 USN-8661-2
Ubuntu 22.04 LTS linux-lowlatency-hwe-6.8 6.8.0-137.137.1~22.04.1 USN-8630-2
Ubuntu 22.04 LTS linux-nvidia 5.15.0-1108.109 USN-8631-1
Ubuntu 22.04 LTS linux-nvidia-6.8 6.8.0-1060.63~22.04.1 USN-8630-1
Ubuntu 22.04 LTS linux-nvidia-tegra 5.15.0-1065.67 USN-8631-1
Ubuntu 22.04 LTS linux-nvidia-tegra-igx 5.15.0-1054.54 USN-8631-3
Ubuntu 22.04 LTS linux-oracle-6.8 6.8.0-1059.62~22.04.1 USN-8630-3
Ubuntu 22.04 LTS linux-raspi 5.15.0-1108.111 USN-8661-5
Ubuntu 22.04 LTS linux-riscv +32 No fix yet —
Ubuntu 22.04 LTS linux-riscv-6.8 6.8.0-137.137~22.04.1 —
Ubuntu 22.04 LTS linux-xilinx-zynqmp 5.15.0-1076.80 USN-8631-1
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 —
Ubuntu Pro Realtime 24.04 LTS linux-raspi-realtime 6.8.0-2051.53 USN-8630-5
Ubuntu Pro Realtime 24.04 LTS linux-realtime 6.8.1-1057.58 USN-8630-1
Ubuntu Pro Realtime 24.04 LTS linux-realtime-6.14 +1 No fix yet —
Ubuntu Pro Realtime 22.04 LTS linux-intel-iot-realtime 5.15.0-1105.107 USN-8631-1
Ubuntu Pro Realtime 22.04 LTS linux-realtime 5.15.0-1112.121 USN-8631-1
Ubuntu Pro Realtime 22.04 LTS linux-realtime-6.8 6.8.1-1057.58~22.04.1 USN-8630-1
Ubuntu Pro FIPS-updates 24.04 LTS linux-aws-fips 6.8.0-1062.65+fips1 USN-8630-1
Ubuntu Pro FIPS-updates 24.04 LTS linux-azure-fips 6.8.0-1064.72+fips1 USN-8630-1
Ubuntu Pro FIPS-updates 24.04 LTS linux-fips 6.8.0-137.137+fips1 USN-8630-1
Ubuntu Pro FIPS-updates 24.04 LTS linux-gcp-fips 6.8.0-1065.73+fips1 USN-8630-1
Ubuntu Pro FIPS-updates 22.04 LTS linux-aws-fips 5.15.0-1113.120+fips1 USN-8631-1
Ubuntu Pro FIPS-updates 22.04 LTS linux-azure-fips 5.15.0-1118.127+fips1 USN-8631-1
Ubuntu Pro FIPS-updates 22.04 LTS linux-fips 5.15.0-190.200+fips1 USN-8661-3
Ubuntu Pro FIPS-updates 22.04 LTS linux-gcp-fips 5.15.0-1114.124+fips1 USN-8661-1
Ubuntu Pro FIPS-preview 22.04 LTS linux-fips +3 No fix yet —
Ubuntu Pro 26.04 LTS linux 7.0.0-30.30 LSN-0122-1
Ubuntu Pro 26.04 LTS linux-aws 7.0.0-1011.11 LSN-0122-1
Ubuntu Pro 26.04 LTS linux-azure 7.0.0-1012.12 LSN-0122-1
Ubuntu Pro 26.04 LTS linux-gcp 7.0.0-1010.10 LSN-0122-1
Ubuntu Pro 24.04 LTS linux 6.8.0-142.142 LSN-0122-1
Ubuntu Pro 24.04 LTS linux-aws 6.8.0-1065.68 LSN-0122-1
Ubuntu Pro 24.04 LTS linux-azure 6.8.0-1068.76 LSN-0122-1
Ubuntu Pro 24.04 LTS linux-gcp 6.8.0-1069.77 LSN-0122-1
Ubuntu Pro 24.04 LTS linux-gke 6.8.0-1064.72 LSN-0122-1
Ubuntu Pro 24.04 LTS linux-ibm 6.8.0-1065.66 LSN-0122-1
Ubuntu Pro 24.04 LTS linux-oracle 6.8.0-1062.65 LSN-0122-1
Ubuntu Pro 22.04 LTS linux 5.15.0-202.212 LSN-0122-1
Ubuntu Pro 22.04 LTS linux-aws 5.15.0-1119.126 LSN-0122-1
Ubuntu Pro 22.04 LTS linux-aws-6.8 6.8.0-1065.68~22.04.1 LSN-0122-1
Ubuntu Pro 22.04 LTS linux-azure 5.15.0-1125.134 LSN-0122-1
Ubuntu Pro 22.04 LTS linux-gcp 5.15.0-1120.130 LSN-0122-1
Ubuntu Pro 22.04 LTS linux-gcp-6.8 6.8.0-1069.77~22.04.1 LSN-0122-1
Ubuntu Pro 22.04 LTS linux-gke 5.15.0-1115.121 LSN-0122-1
Ubuntu Pro 22.04 LTS linux-hwe-6.8 6.8.0-149.149~22.04.1 LSN-0122-1
Ubuntu Pro 22.04 LTS linux-ibm 5.15.0-1113.117 LSN-0122-1
Ubuntu Pro 22.04 LTS linux-ibm-6.8 6.8.0-1066.67~22.04.1 LSN-0122-1
Ubuntu Pro 22.04 LTS linux-lowlatency 5.15.0-197.207 LSN-0122-1
Ubuntu Pro 20.04 LTS linux 5.4.0-245.265 LSN-0122-1
Ubuntu Pro 20.04 LTS linux-aws-5.15 5.15.0-1114.121~20.04.1 USN-8661-4
Ubuntu Pro 20.04 LTS linux-azure-5.15 5.15.0-1119.128~20.04.1 USN-8661-1
Ubuntu Pro 20.04 LTS linux-azure-fde-5.15 5.15.0-1118.127~20.04.1 USN-8631-4
Ubuntu Pro 20.04 LTS linux-gcp-5.15 5.15.0-1114.124~20.04.1 USN-8661-4
Ubuntu Pro 20.04 LTS linux-hwe-5.15 +1 5.15.0-190.200~20.04.1 USN-8661-1
Ubuntu Pro 20.04 LTS linux-ibm-5.15 +1 5.15.0-1107.111~20.04.1 USN-8631-1
Ubuntu Pro 20.04 LTS linux-intel-iotg-5.15 5.15.0-1108.114~20.04.1 USN-8631-1
Ubuntu Pro 20.04 LTS linux-nvidia-tegra-5.15 5.15.0-1065.67~20.04.1 USN-8631-1
Ubuntu Pro 20.04 LTS linux-oracle-5.15 5.15.0-1110.116~20.04.1 USN-8631-1
Ubuntu Pro 18.04 LTS linux 4.15.0-260.272 LSN-0122-1
Ubuntu Pro 18.04 LTS linux-aws 4.15.0-1197.210 LSN-0122-1
Ubuntu Pro 18.04 LTS linux-azure-4.15 4.15.0-1207.222 LSN-0122-1
Ubuntu Pro 18.04 LTS linux-gcp-4.15 4.15.0-1190.207 LSN-0122-1
Ubuntu Pro 18.04 LTS linux-hwe-5.4 5.4.0-245.265~18.04.1 LSN-0122-1
Ubuntu Pro 18.04 LTS linux-oracle 4.15.0-1160.171 LSN-0122-1
Ubuntu Pro 16.04 LTS linux 4.4.0-291.325 LSN-0122-1
Ubuntu Pro 16.04 LTS linux-aws 4.4.0-1200.215 LSN-0122-1
Ubuntu Pro 16.04 LTS linux-aws-hwe 4.15.0-1197.210~16.04.1 LSN-0122-1
Ubuntu Pro 16.04 LTS linux-azure 4.15.0-1208.223~16.04.1 LSN-0122-1
Ubuntu Pro 16.04 LTS linux-gcp 4.15.0-1190.207~16.04.1 LSN-0122-1
Ubuntu Pro 16.04 LTS linux-hwe 4.15.0-260.272~16.04.2 LSN-0122-1
ReleasePackageFixed inAdvisory
SLES 15 SP7 kernel-64kb +4 6.4.0-150700.53.73.2 SUSE-SU-2026:3166-1
SLES 15 SP7 kernel-default-base 6.4.0-150700.53.73.2.150700.17.41.4 SUSE-SU-2026:3166-1
SLES 15 SP7 kernel-docs +2 6.4.0-150700.53.73.1 SUSE-SU-2026:3166-1
Show 7 more (older releases, extended support, other products)
ReleasePackageFixed inAdvisory
SLES for SAP 16.0 kernel-64kb +8 6.12.0-160000.36.1 SUSE-SU-2026:22835-1
SLES for SAP 16.0 kernel-default-base 6.12.0-160000.36.1.160000.2.17 SUSE-SU-2026:22835-1
SLES 16.0 kernel-64kb +8 6.12.0-160000.36.1 SUSE-SU-2026:22835-1, SUSE-SU-2026:22812-1
SLES 16.0 kernel-default-base 6.12.0-160000.36.1.160000.2.17 SUSE-SU-2026:22835-1
SLE Micro 6.2 kernel-default-base 6.12.0-160000.36.1.160000.2.17 SUSE-SU-2026:22769-1
SLE Micro 6.2 kernel-rt +5 6.12.0-160000.36.1 SUSE-SU-2026:22769-1, SUSE-SU-2026:22742-1
SLE Micro 6.1 kernel-rt +2 6.4.0-50.1 SUSE-SU-2026:22904-1, SUSE-SU-2026:22903-1
SLE Micro 6.1 kernel-source +1 6.4.0-50.2 SUSE-SU-2026:22904-1, SUSE-SU-2026:22903-1
SLE Micro 6.0 kernel-rt +2 6.4.0-50.1 SUSE-SU-2026:22810-1, SUSE-SU-2026:22809-1
SLE Micro 6.0 kernel-source +1 6.4.0-50.2 SUSE-SU-2026:22810-1, SUSE-SU-2026:22809-1
SLE Live Patching 15 SP7 kernel-default 6.4.0-150700.53.73.2 SUSE-SU-2026:3166-1
SLE Live Patching 15 SP7 kernel-livepatch-SLE15-SP7-RT_Update_18 1-150700.1.5.1 SUSE-SU-2026:3130-1
SLE Live Patching 15 SP7 kernel-livepatch-SLE15-SP7_Update_19 1-150700.15.3.4 SUSE-SU-2026:3166-1
SUSE Real Time Module 15 SP7 kernel-rt +2 6.4.0-150700.7.67.1 SUSE-SU-2026:3130-1
ReleasePackageFixed inAdvisory
openSUSE Leap 16.0 kernel-default-base 6.12.0-160000.36.1.160000.2.17 openSUSE-SU-2026:21388-1
openSUSE Leap 16.0 kernel-rt +11 6.12.0-160000.36.1 openSUSE-SU-2026:21388-1

Oracle Linux

ReleasePackageFixed inAdvisory
Oracle Linux 9 kernel-uek +34 6.12.0-206.104.3.3.el10uek ELSA-2026-500248

Advisories 41

References