CVE-2021-47367
Fixed in a distro release EPSS <1%CVSS 5.5
In the Linux kernel, the following vulnerability has been resolved: virtio-net: fix pages leaking when building skb in big mode We try to use build_skb() if we had sufficient tailroom. But we forget to release the unused pages chained via private in big mode which will leak pages. Fixing this by release the pages after building the skb in big mode.
Products: Linux, linux_kernel
Distro releases
| Release | Package | Fixed in |
|---|---|---|
| Debian 12 | linux | 5.14.9-1 |
| Debian 13 | linux | 5.14.9-1 |
| Debian 14 | linux | 5.14.9-1 |
| SUSE Linux Enterprise High Availability Extension 15 SP4 | kernel-default | 5.14.21-150400.24.122.2 |
| SUSE Linux Enterprise High Availability Extension 15 SP5 | kernel-default | 5.14.21-150500.55.68.1 |
| SUSE Linux Enterprise High Performance Computing 15 SP4-ESPOS | kernel-64kb | 5.14.21-150400.24.122.2 |
| SUSE Linux Enterprise High Performance Computing 15 SP4-ESPOS | kernel-default | 5.14.21-150400.24.122.2 |
| SUSE Linux Enterprise High Performance Computing 15 SP4-ESPOS | kernel-default-base | 5.14.21-150400.24.122.2.150400.24.58.2 |
| SUSE Linux Enterprise High Performance Computing 15 SP4-ESPOS | kernel-docs | 5.14.21-150400.24.122.2 |
| SUSE Linux Enterprise High Performance Computing 15 SP4-ESPOS | kernel-obs-build | 5.14.21-150400.24.122.2 |
| SUSE Linux Enterprise High Performance Computing 15 SP4-ESPOS | kernel-source | 5.14.21-150400.24.122.1 |
| SUSE Linux Enterprise High Performance Computing 15 SP4-ESPOS | kernel-syms | 5.14.21-150400.24.122.1 |
| SUSE Linux Enterprise High Performance Computing 15 SP4-LTSS | kernel-64kb | 5.14.21-150400.24.122.2 |
| SUSE Linux Enterprise High Performance Computing 15 SP4-LTSS | kernel-default | 5.14.21-150400.24.122.2 |
| SUSE Linux Enterprise High Performance Computing 15 SP4-LTSS | kernel-default-base | 5.14.21-150400.24.122.2.150400.24.58.2 |
| SUSE Linux Enterprise High Performance Computing 15 SP4-LTSS | kernel-docs | 5.14.21-150400.24.122.2 |
| SUSE Linux Enterprise High Performance Computing 15 SP4-LTSS | kernel-obs-build | 5.14.21-150400.24.122.2 |
| SUSE Linux Enterprise High Performance Computing 15 SP4-LTSS | kernel-source | 5.14.21-150400.24.122.1 |
| SUSE Linux Enterprise High Performance Computing 15 SP4-LTSS | kernel-syms | 5.14.21-150400.24.122.1 |
| SUSE Linux Enterprise Live Patching 15 SP4 | kernel-default | 5.14.21-150400.24.122.2 |
| SUSE Linux Enterprise Live Patching 15 SP4 | kernel-livepatch-SLE15-SP4_Update_27 | 1-150400.9.3.2 |
| SUSE Linux Enterprise Live Patching 15 SP5 | kernel-default | 5.14.21-150500.55.68.1 |
| SUSE Linux Enterprise Live Patching 15 SP5 | kernel-livepatch-SLE15-SP5-RT_Update_16 | 1-150500.11.3.1 |
| SUSE Linux Enterprise Live Patching 15 SP5 | kernel-livepatch-SLE15-SP5_Update_15 | 1-150500.11.3.1 |
| SUSE Linux Enterprise Micro 5.3 | kernel-default | 5.14.21-150400.24.122.2 |
| SUSE Linux Enterprise Micro 5.3 | kernel-default-base | 5.14.21-150400.24.122.2.150400.24.58.2 |
| SUSE Linux Enterprise Micro 5.3 | kernel-rt | 5.14.21-150400.15.82.1 |
| SUSE Linux Enterprise Micro 5.3 | kernel-source-rt | 5.14.21-150400.15.82.1 |
| SUSE Linux Enterprise Micro 5.4 | kernel-default | 5.14.21-150400.24.122.2 |
| SUSE Linux Enterprise Micro 5.4 | kernel-default-base | 5.14.21-150400.24.122.2.150400.24.58.2 |
| SUSE Linux Enterprise Micro 5.4 | kernel-rt | 5.14.21-150400.15.82.1 |
| SUSE Linux Enterprise Micro 5.4 | kernel-source-rt | 5.14.21-150400.15.82.1 |
| SUSE Linux Enterprise Micro 5.5 | kernel-default | 5.14.21-150500.55.68.1 |
| SUSE Linux Enterprise Micro 5.5 | kernel-default-base | 5.14.21-150500.55.68.1.150500.6.31.1 |
| SUSE Linux Enterprise Micro 5.5 | kernel-rt | 5.14.21-150500.13.58.1 |
| SUSE Linux Enterprise Micro 5.5 | kernel-source-rt | 5.14.21-150500.13.58.1 |
| SUSE Linux Enterprise Module for Basesystem 15 SP5 | kernel-64kb | 5.14.21-150500.55.68.1 |
| SUSE Linux Enterprise Module for Basesystem 15 SP5 | kernel-default | 5.14.21-150500.55.68.1 |
| SUSE Linux Enterprise Module for Basesystem 15 SP5 | kernel-default-base | 5.14.21-150500.55.68.1.150500.6.31.1 |
| SUSE Linux Enterprise Module for Basesystem 15 SP5 | kernel-source | 5.14.21-150500.55.68.1 |
| SUSE Linux Enterprise Module for Basesystem 15 SP5 | kernel-zfcpdump | 5.14.21-150500.55.68.1 |
| SUSE Linux Enterprise Module for Development Tools 15 SP5 | kernel-docs | 5.14.21-150500.55.68.1 |
| SUSE Linux Enterprise Module for Development Tools 15 SP5 | kernel-obs-build | 5.14.21-150500.55.68.1 |
| SUSE Linux Enterprise Module for Development Tools 15 SP5 | kernel-source | 5.14.21-150500.55.68.1 |
| SUSE Linux Enterprise Module for Development Tools 15 SP5 | kernel-syms | 5.14.21-150500.55.68.1 |
| SUSE Linux Enterprise Module for Legacy 15 SP5 | kernel-default | 5.14.21-150500.55.68.1 |
| SUSE Linux Enterprise Module for Public Cloud 15 SP5 | kernel-azure | 5.14.21-150500.33.57.1 |
| SUSE Linux Enterprise Module for Public Cloud 15 SP5 | kernel-source-azure | 5.14.21-150500.33.57.1 |
| SUSE Linux Enterprise Module for Public Cloud 15 SP5 | kernel-syms-azure | 5.14.21-150500.33.57.1 |
| SUSE Linux Enterprise Server 15 SP4-LTSS | kernel-64kb | 5.14.21-150400.24.122.2 |
| SUSE Linux Enterprise Server 15 SP4-LTSS | kernel-default | 5.14.21-150400.24.122.2 |
| SUSE Linux Enterprise Server 15 SP4-LTSS | kernel-default-base | 5.14.21-150400.24.122.2.150400.24.58.2 |
| SUSE Linux Enterprise Server 15 SP4-LTSS | kernel-docs | 5.14.21-150400.24.122.2 |
| SUSE Linux Enterprise Server 15 SP4-LTSS | kernel-obs-build | 5.14.21-150400.24.122.2 |
| SUSE Linux Enterprise Server 15 SP4-LTSS | kernel-source | 5.14.21-150400.24.122.1 |
| SUSE Linux Enterprise Server 15 SP4-LTSS | kernel-syms | 5.14.21-150400.24.122.1 |
| SUSE Linux Enterprise Server 15 SP4-LTSS | kernel-zfcpdump | 5.14.21-150400.24.122.2 |
| SUSE Linux Enterprise Server for SAP Applications 15 SP4 | kernel-default | 5.14.21-150400.24.122.2 |
| SUSE Linux Enterprise Server for SAP Applications 15 SP4 | kernel-default-base | 5.14.21-150400.24.122.2.150400.24.58.2 |
| SUSE Linux Enterprise Server for SAP Applications 15 SP4 | kernel-docs | 5.14.21-150400.24.122.2 |
| SUSE Linux Enterprise Server for SAP Applications 15 SP4 | kernel-obs-build | 5.14.21-150400.24.122.2 |
| SUSE Linux Enterprise Server for SAP Applications 15 SP4 | kernel-source | 5.14.21-150400.24.122.1 |
| SUSE Linux Enterprise Server for SAP Applications 15 SP4 | kernel-syms | 5.14.21-150400.24.122.1 |
| SUSE Linux Enterprise Workstation Extension 15 SP5 | kernel-default | 5.14.21-150500.55.68.1 |
| SUSE Manager Proxy 4.3 | kernel-default | 5.14.21-150400.24.122.2 |
| SUSE Manager Proxy 4.3 | kernel-default-base | 5.14.21-150400.24.122.2.150400.24.58.2 |
| SUSE Manager Proxy 4.3 | kernel-source | 5.14.21-150400.24.122.1 |
| SUSE Manager Proxy 4.3 | kernel-syms | 5.14.21-150400.24.122.1 |
| SUSE Manager Server 4.3 | kernel-default | 5.14.21-150400.24.122.2 |
| SUSE Manager Server 4.3 | kernel-default-base | 5.14.21-150400.24.122.2.150400.24.58.2 |
| SUSE Manager Server 4.3 | kernel-source | 5.14.21-150400.24.122.1 |
| SUSE Manager Server 4.3 | kernel-syms | 5.14.21-150400.24.122.1 |
| SUSE Manager Server 4.3 | kernel-zfcpdump | 5.14.21-150400.24.122.2 |
| SUSE Real Time Module 15 SP5 | kernel-rt | 5.14.21-150500.13.58.1 |
| SUSE Real Time Module 15 SP5 | kernel-rt_debug | 5.14.21-150500.13.58.1 |
| SUSE Real Time Module 15 SP5 | kernel-source-rt | 5.14.21-150500.13.58.1 |
| SUSE Real Time Module 15 SP5 | kernel-syms-rt | 5.14.21-150500.13.58.1 |
| Ubuntu 16.04 LTS | linux-hwe-edge | no fix |
| Ubuntu 18.04 LTS | linux-aws-5.0 | no fix |
| Ubuntu 18.04 LTS | linux-aws-5.3 | no fix |
| Ubuntu 18.04 LTS | linux-azure | no fix |
| Ubuntu 18.04 LTS | linux-azure-5.3 | no fix |
| Ubuntu 18.04 LTS | linux-azure-edge | no fix |
| Ubuntu 18.04 LTS | linux-gcp | no fix |
| Ubuntu 18.04 LTS | linux-gcp-5.3 | no fix |
| Ubuntu 18.04 LTS | linux-gke-4.15 | no fix |
| Ubuntu 18.04 LTS | linux-gke-5.4 | no fix |
| Ubuntu 18.04 LTS | linux-gkeop-5.4 | no fix |
| Ubuntu 18.04 LTS | linux-hwe | no fix |
| Ubuntu 18.04 LTS | linux-hwe-edge | no fix |
| Ubuntu 18.04 LTS | linux-oem | no fix |
| Ubuntu 18.04 LTS | linux-oracle-5.0 | no fix |
| Ubuntu 18.04 LTS | linux-oracle-5.3 | no fix |
| Ubuntu 20.04 LTS | linux-aws-5.11 | no fix |
| Ubuntu 20.04 LTS | linux-aws-5.13 | no fix |
| Ubuntu 20.04 LTS | linux-aws-5.8 | no fix |
| Ubuntu 20.04 LTS | linux-azure-5.11 | no fix |
| Ubuntu 20.04 LTS | linux-azure-5.13 | no fix |
| Ubuntu 20.04 LTS | linux-azure-5.8 | no fix |
| Ubuntu 20.04 LTS | linux-azure-fde | no fix |
| Ubuntu 20.04 LTS | linux-gcp-5.11 | no fix |
| Ubuntu 20.04 LTS | linux-gcp-5.13 | no fix |
| Ubuntu 20.04 LTS | linux-gcp-5.8 | no fix |
| Ubuntu 20.04 LTS | linux-gke | no fix |
| Ubuntu 20.04 LTS | linux-gke-5.15 | no fix |
| Ubuntu 20.04 LTS | linux-hwe-5.11 | no fix |
| Ubuntu 20.04 LTS | linux-hwe-5.13 | no fix |
| Ubuntu 20.04 LTS | linux-hwe-5.8 | no fix |
| Ubuntu 20.04 LTS | linux-intel-5.13 | no fix |
| Ubuntu 20.04 LTS | linux-oem-5.10 | no fix |
| Ubuntu 20.04 LTS | linux-oem-5.13 | no fix |
| Ubuntu 20.04 LTS | linux-oem-5.14 | no fix |
| Ubuntu 20.04 LTS | linux-oem-5.6 | no fix |
| Ubuntu 20.04 LTS | linux-oracle-5.11 | no fix |
| Ubuntu 20.04 LTS | linux-oracle-5.13 | no fix |
| Ubuntu 20.04 LTS | linux-oracle-5.8 | no fix |
| Ubuntu 20.04 LTS | linux-raspi2 | no fix |
| Ubuntu 20.04 LTS | linux-riscv | no fix |
| Ubuntu 20.04 LTS | linux-riscv-5.11 | no fix |
| Ubuntu 20.04 LTS | linux-riscv-5.8 | no fix |
| Ubuntu 22.04 LTS | linux-allwinner-5.19 | no fix |
| Ubuntu 22.04 LTS | linux-aws-5.19 | no fix |
| Ubuntu 22.04 LTS | linux-aws-6.2 | no fix |
| Ubuntu 22.04 LTS | linux-azure-5.19 | no fix |
| Ubuntu 22.04 LTS | linux-azure-6.2 | no fix |
| Ubuntu 22.04 LTS | linux-azure-fde-5.19 | no fix |
| Ubuntu 22.04 LTS | linux-azure-fde-6.2 | no fix |
| Ubuntu 22.04 LTS | linux-gcp-5.19 | no fix |
| Ubuntu 22.04 LTS | linux-gcp-6.2 | no fix |
| Ubuntu 22.04 LTS | linux-hwe-5.19 | no fix |
| Ubuntu 22.04 LTS | linux-hwe-6.2 | no fix |
| Ubuntu 22.04 LTS | linux-lowlatency-hwe-5.19 | no fix |
| Ubuntu 22.04 LTS | linux-lowlatency-hwe-6.2 | no fix |
| Ubuntu 22.04 LTS | linux-nvidia-6.2 | no fix |
| Ubuntu 22.04 LTS | linux-oem-5.17 | no fix |
| Ubuntu 22.04 LTS | linux-oem-6.0 | no fix |
| Ubuntu 22.04 LTS | linux-oem-6.1 | no fix |
| Ubuntu 22.04 LTS | linux-riscv | no fix |
| Ubuntu 22.04 LTS | linux-riscv-5.19 | no fix |
| Ubuntu 22.04 LTS | linux-starfive-5.19 | no fix |
| Ubuntu 22.04 LTS | linux-starfive-6.2 | no fix |
| openSUSE Leap 15.5 | dtb-aarch64 | 5.14.21-150500.55.68.1 |
| openSUSE Leap 15.5 | kernel-64kb | 5.14.21-150500.55.68.1 |
| openSUSE Leap 15.5 | kernel-azure | 5.14.21-150500.33.57.1 |
| openSUSE Leap 15.5 | kernel-debug | 5.14.21-150500.55.68.1 |
| openSUSE Leap 15.5 | kernel-default | 5.14.21-150500.55.68.1 |
| openSUSE Leap 15.5 | kernel-default-base | 5.14.21-150500.55.68.1.150500.6.31.1 |
| openSUSE Leap 15.5 | kernel-docs | 5.14.21-150500.55.68.1 |
| openSUSE Leap 15.5 | kernel-kvmsmall | 5.14.21-150500.55.68.1 |
| openSUSE Leap 15.5 | kernel-obs-build | 5.14.21-150500.55.68.1 |
| openSUSE Leap 15.5 | kernel-obs-qa | 5.14.21-150500.55.68.1 |
| openSUSE Leap 15.5 | kernel-rt | 5.14.21-150500.13.58.1 |
| openSUSE Leap 15.5 | kernel-rt_debug | 5.14.21-150500.13.58.1 |
| openSUSE Leap 15.5 | kernel-source | 5.14.21-150500.55.68.1 |
| openSUSE Leap 15.5 | kernel-source-azure | 5.14.21-150500.33.57.1 |
| openSUSE Leap 15.5 | kernel-source-rt | 5.14.21-150500.13.58.1 |
| openSUSE Leap 15.5 | kernel-syms | 5.14.21-150500.55.68.1 |
| openSUSE Leap 15.5 | kernel-syms-azure | 5.14.21-150500.33.57.1 |
| openSUSE Leap 15.5 | kernel-syms-rt | 5.14.21-150500.13.58.1 |
| openSUSE Leap 15.5 | kernel-zfcpdump | 5.14.21-150500.55.68.1 |
| openSUSE Leap Micro 5.3 | kernel-default | 5.14.21-150400.24.122.2 |
| openSUSE Leap Micro 5.3 | kernel-default-base | 5.14.21-150400.24.122.2.150400.24.58.2 |
| openSUSE Leap Micro 5.3 | kernel-rt | 5.14.21-150400.15.82.1 |
| openSUSE Leap Micro 5.4 | kernel-default | 5.14.21-150400.24.122.2 |
| openSUSE Leap Micro 5.4 | kernel-default-base | 5.14.21-150400.24.122.2.150400.24.58.2 |
| openSUSE Leap Micro 5.4 | kernel-rt | 5.14.21-150400.15.82.1 |