Description
An issue was discovered in the Linux kernel through 5.16-rc6. netvsc_get_ethtool_stats in drivers/net/hyperv/netvsc_drv.c lacks check of the return value of kvmalloc_array() and will cause the null pointer dereference.
Affected products
| Vendor | Product | Affected | Fixed |
|---|---|---|---|
| — | Kernel | Linux 5.16-rc6 | — |
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 ↗| Release | Package | Fixed in | Advisory |
|---|---|---|---|
| Debian 14 | linux | 5.16.18-1 | — |
| Debian 13 | linux | 5.16.18-1 | — |
| Debian 12 | linux | 5.16.18-1 | — |
Ubuntu
Security tracker ↗| Release | Package | Fixed in | Advisory |
|---|---|---|---|
| Ubuntu 24.04 LTS | linux-raspi-realtime | No fix yet | — |
| Ubuntu 22.04 LTS | linux +1 | 5.15.0-37.39 | — |
| Ubuntu 22.04 LTS | linux-aws | 5.15.0-1011.14 | — |
| Ubuntu 22.04 LTS | linux-azure | 5.15.0-1010.12 | — |
| Ubuntu 22.04 LTS | linux-gcp | 5.15.0-1008.12 | — |
| Ubuntu 22.04 LTS | linux-gke | 5.15.0-1008.10 | — |
| Ubuntu 22.04 LTS | linux-ibm | 5.15.0-1007.8 | — |
| Ubuntu 22.04 LTS | linux-intel-iotg | 5.15.0-1008.11 | — |
| Ubuntu 22.04 LTS | linux-kvm | 5.15.0-1010.11 | — |
| Ubuntu 22.04 LTS | linux-oracle | 5.15.0-1009.12 | — |
| Ubuntu 22.04 LTS | linux-raspi | 5.15.0-1011.13 | — |
| Ubuntu 22.04 LTS | linux-riscv +2 | No fix yet | — |
| Ubuntu 20.04 LTS | linux | 5.4.0-117.132 | — |
| Ubuntu 20.04 LTS | linux-aws +1 | 5.4.0-1078.84 | — |
| Ubuntu 20.04 LTS | linux-azure | 5.4.0-1083.87 | — |
| Ubuntu 20.04 LTS | linux-azure-5.15 | 5.15.0-1008.9~20.04.1 | — |
| Ubuntu 20.04 LTS | linux-bluefield | 5.4.0-1040.44 | — |
| Ubuntu 20.04 LTS | linux-gke | 5.4.0-1074.79 | — |
| Ubuntu 20.04 LTS | linux-gkeop | 5.4.0-1046.48 | — |
| Ubuntu 20.04 LTS | linux-hwe-5.15 | 5.15.0-41.44~20.04.1 | — |
| Ubuntu 20.04 LTS | linux-ibm | 5.4.0-1026.29 | — |
| Ubuntu 20.04 LTS | linux-intel-iotg-5.15 | 5.15.0-1008.11~20.04.1 | — |
| Ubuntu 20.04 LTS | linux-iot | 5.4.0-1004.6 | — |
| Ubuntu 20.04 LTS | linux-kvm | 5.4.0-1068.72 | — |
| Ubuntu 20.04 LTS | linux-lowlatency-hwe-5.15 | 5.15.0-42.45~20.04.1 | — |
| Ubuntu 20.04 LTS | linux-oem-5.14 | 5.14.0-1033.36 | — |
| Ubuntu 20.04 LTS | linux-oracle | 5.4.0-1076.83 | — |
| Ubuntu 20.04 LTS | linux-raspi | 5.4.0-1065.75 | — |
| Ubuntu 20.04 LTS | linux-riscv +22 | No fix yet | — |
| Ubuntu 18.04 LTS | linux-aws-5.4 +1 | 5.4.0-1078.84~18.04.1 | — |
| Ubuntu 18.04 LTS | linux-azure-5.4 | 5.4.0-1083.87~18.04.1 | — |
| Ubuntu 18.04 LTS | linux-gcp +14 | No fix yet | — |
| Ubuntu 18.04 LTS | linux-hwe-5.4 | 5.4.0-117.132~18.04.1 | — |
| Ubuntu 18.04 LTS | linux-ibm-5.4 | 5.4.0-1028.32~18.04.1 | — |
| Ubuntu 18.04 LTS | linux-oracle-5.4 | 5.4.0-1076.83~18.04.1 | — |
| Ubuntu 18.04 LTS | linux-raspi-5.4 | 5.4.0-1065.75~18.04.1 | — |
| Ubuntu 16.04 LTS | linux-hwe-edge | No fix yet | — |
Show 3 more (older releases, extended support, other products)Fewer releases
| Release | Package | Fixed in | Advisory |
|---|---|---|---|
| Ubuntu Pro Realtime 22.04 LTS | linux-realtime | 5.15.0-1014.14 | — |
| Ubuntu Pro FIPS 20.04 LTS | linux-fips +3 | No fix yet | — |
| Ubuntu Pro FIPS-updates 20.04 LTS | linux-aws-fips +1 | 5.4.0-1078.84+fips1 | — |
| Ubuntu Pro FIPS-updates 20.04 LTS | linux-azure-fips | 5.4.0-1083.87+fips1 | — |
| Ubuntu Pro FIPS-updates 20.04 LTS | linux-fips | 5.4.0-1054.61 | — |
Red Hat
Security tracker ↗| Release | Package | Fixed in | Advisory |
|---|---|---|---|
| RHEL 9 | kernel-rt +12 | 5.14.0-162.6.1.rt21.168.el9_1 | RHSA-2022:7933 |
| RHEL 9 | perf +29 | 5.14.0-162.6.1.el9_1 | RHSA-2022:8267 |
| RHEL 8 | kernel-rt +12 | 4.18.0-425.3.1.rt7.213.el8 | RHSA-2022:7444 |
| RHEL 8 | perf +26 | 4.18.0-425.3.1.el8 | RHSA-2022:7683 |
SUSE
Security tracker ↗| Release | Package | Fixed in | Advisory |
|---|---|---|---|
| SLES 15 SP4 | kernel-64kb +6 | 5.14.21-150400.24.41.1 | SUSE-SU-2023:0149-1 |
| SLES 15 SP4 | kernel-azure +2 | 5.14.21-150400.14.31.1 | SUSE-SU-2023:0146-1 |
| SLES 15 SP4 | kernel-default-base | 5.14.21-150400.24.41.1.150400.24.15.1 | SUSE-SU-2023:0149-1 |
| SLES 15 SP3 | kernel-64kb +7 | 5.3.18-150300.59.109.1 | SUSE-SU-2023:0152-1 |
| SLES 15 SP3 | kernel-default-base | 5.3.18-150300.59.109.1.150300.18.62.1 | SUSE-SU-2023:0152-1 |
| SLES 15 SP2 | kernel-default-base | 5.3.18-150200.24.142.1.150200.9.67.1 | SUSE-SU-2023:0406-1 |
| SLES 15 SP2 | kernel-docs +5 | 5.3.18-150200.24.142.1 | SUSE-SU-2023:0406-1 |
| SLES 15 SP1 | kernel-docs +5 | 4.12.14-150100.197.134.1 | SUSE-SU-2023:0410-1 |
| SLES 12 SP5 | kernel-azure +2 | 4.12.14-16.124.1 | SUSE-SU-2023:0618-1 |
| SLES 12 SP5 | kernel-docs +4 | 4.12.14-122.147.1 | SUSE-SU-2023:0145-1 |
Show 24 more (older releases, extended support, other products)Fewer releases
| Release | Package | Fixed in | Advisory |
|---|---|---|---|
| SLES for SAP 15 SP3 | kernel-default-base | 5.3.18-150300.59.109.1.150300.18.62.1 | SUSE-SU-2023:0152-1 |
| SLES for SAP 15 SP3 | kernel-docs +5 | 5.3.18-150300.59.109.1 | SUSE-SU-2023:0152-1 |
| SLES for SAP 15 SP2 | kernel-default-base | 5.3.18-150200.24.142.1.150200.9.67.1 | SUSE-SU-2023:0406-1 |
| SLES for SAP 15 SP2 | kernel-docs +5 | 5.3.18-150200.24.142.1 | SUSE-SU-2023:0406-1 |
| SLES for SAP 15 SP1 | kernel-docs +4 | 4.12.14-150100.197.134.1 | SUSE-SU-2023:0410-1 |
| SLES for SAP 12 SP5 | kernel-azure +2 | 4.12.14-16.124.1 | SUSE-SU-2023:0618-1 |
| SLES for SAP 12 SP5 | kernel-syms +2 | 4.12.14-122.147.1 | SUSE-SU-2023:0145-1 |
| SLE Real Time 15 SP3 | kernel-default-base | 5.3.18-150300.59.109.1.150300.18.62.1 | SUSE-SU-2023:0152-1 |
| SLE Real Time 15 SP3 | kernel-docs +5 | 5.3.18-150300.59.109.1 | SUSE-SU-2023:0152-1 |
| SLE Real Time 12 SP5 | kernel-rt +3 | 4.12.14-10.112.1 | SUSE-SU-2023:0148-1 |
| SLE Micro 5.3 | kernel-default | 5.14.21-150400.24.41.1 | SUSE-SU-2023:0149-1 |
| SLE Micro 5.3 | kernel-default-base | 5.14.21-150400.24.41.1.150400.24.15.1 | SUSE-SU-2023:0149-1 |
| SLE Micro 5.3 | kernel-rt | 5.14.21-150400.15.8.1 | SUSE-SU-2023:0147-1 |
| SLE Micro 5.2 | kernel-default | 5.3.18-150300.59.109.1 | SUSE-SU-2023:0152-1 |
| SLE Micro 5.2 | kernel-default-base | 5.3.18-150300.59.109.1.150300.18.62.1 | SUSE-SU-2023:0152-1 |
| SLE Micro 5.2 | kernel-rt | 5.3.18-150300.115.1 | SUSE-SU-2023:0134-1 |
| SLE Micro 5.1 | kernel-default | 5.3.18-150300.59.109.1 | SUSE-SU-2023:0152-1 |
| SLE Micro 5.1 | kernel-default-base | 5.3.18-150300.59.109.1.150300.18.62.1 | SUSE-SU-2023:0152-1 |
| SLE Micro 5.1 | kernel-rt | 5.3.18-150300.115.1 | SUSE-SU-2023:0134-1 |
| SLE Live Patching 15 SP4 | kernel-default | 5.14.21-150400.24.41.1 | SUSE-SU-2023:0149-1 |
| SLE Live Patching 15 SP4 | kernel-livepatch-SLE15-SP4-RT_Update_2 | 1-150400.1.3.1 | SUSE-SU-2023:0147-1 |
| SLE Live Patching 15 SP4 | kernel-livepatch-SLE15-SP4_Update_7 | 1-150400.9.3.1 | SUSE-SU-2023:0149-1 |
| SLE Live Patching 15 SP3 | kernel-default | 5.3.18-150300.59.109.1 | SUSE-SU-2023:0152-1 |
| SLE Live Patching 15 SP3 | kernel-livepatch-SLE15-SP3_Update_28 | 1-150300.7.3.1 | SUSE-SU-2023:0152-1 |
| SLE Live Patching 15 SP2 | kernel-default | 5.3.18-150200.24.142.1 | SUSE-SU-2023:0406-1 |
| SLE Live Patching 15 SP2 | kernel-livepatch-SLE15-SP2_Update_33 | 1-150200.5.3.1 | SUSE-SU-2023:0406-1 |
| SLE Live Patching 15 SP1 | kernel-default | 4.12.14-150100.197.134.1 | SUSE-SU-2023:0410-1 |
| SLE Live Patching 15 SP1 | kernel-livepatch-SLE15-SP1_Update_37 | 1-150100.3.3.1 | SUSE-SU-2023:0410-1 |
| SLE Live Patching 12 SP5 | kernel-default | 4.12.14-122.147.1 | SUSE-SU-2023:0145-1 |
| SLE Live Patching 12 SP5 | kgraft-patch-SLE12-SP5_Update_39 | 1-8.3.1 | SUSE-SU-2023:0145-1 |
| SLE HPC 15 SP3 | kernel-64kb +6 | 5.3.18-150300.59.109.1 | SUSE-SU-2023:0152-1 |
| SLE HPC 15 SP3 | kernel-default-base | 5.3.18-150300.59.109.1.150300.18.62.1 | SUSE-SU-2023:0152-1 |
| SLE HPC 15 SP2 | kernel-default-base | 5.3.18-150200.24.142.1.150200.9.67.1 | SUSE-SU-2023:0406-1 |
| SLE HPC 15 SP2 | kernel-docs +5 | 5.3.18-150200.24.142.1 | SUSE-SU-2023:0406-1 |
| SLE HPC 15 SP1 | kernel-docs +4 | 4.12.14-150100.197.134.1 | SUSE-SU-2023:0410-1 |
| SUSE Real Time Module 15 SP4 | kernel-rt +3 | 5.14.21-150400.15.8.1 | SUSE-SU-2023:0147-1 |
| SUSE Real Time Module 15 SP3 | kernel-rt +3 | 5.3.18-150300.115.1 | SUSE-SU-2023:0134-1 |
| SUSE Manager Server 4.2 | kernel-default-base | 5.3.18-150300.59.109.1.150300.18.62.1 | SUSE-SU-2023:0152-1 |
| SUSE Manager Server 4.2 | kernel-source +3 | 5.3.18-150300.59.109.1 | SUSE-SU-2023:0152-1 |
| SUSE Manager Retail Branch Server 4.2 | kernel-default-base | 5.3.18-150300.59.109.1.150300.18.62.1 | SUSE-SU-2023:0152-1 |
| SUSE Manager Retail Branch Server 4.2 | kernel-source +2 | 5.3.18-150300.59.109.1 | SUSE-SU-2023:0152-1 |
| SUSE Manager Proxy 4.2 | kernel-default-base | 5.3.18-150300.59.109.1.150300.18.62.1 | SUSE-SU-2023:0152-1 |
| SUSE Manager Proxy 4.2 | kernel-source +2 | 5.3.18-150300.59.109.1 | SUSE-SU-2023:0152-1 |
| SUSE Enterprise Storage 7.1 | kernel-64kb +6 | 5.3.18-150300.59.109.1 | SUSE-SU-2023:0152-1 |
| SUSE Enterprise Storage 7.1 | kernel-default-base | 5.3.18-150300.59.109.1.150300.18.62.1 | SUSE-SU-2023:0152-1 |
| SUSE Enterprise Storage 7 | kernel-default-base | 5.3.18-150200.24.142.1.150200.9.67.1 | SUSE-SU-2023:0406-1 |
| SUSE Enterprise Storage 7 | kernel-docs +5 | 5.3.18-150200.24.142.1 | SUSE-SU-2023:0406-1 |
openSUSE
Security tracker ↗| Release | Package | Fixed in | Advisory |
|---|---|---|---|
| openSUSE Leap 15.4 | dtb-aarch64 | 5.3.18-150300.59.109.1 | SUSE-SU-2023:0152-1, SUSE-SU-2023:0149-1 |
| openSUSE Leap 15.4 | kernel-64kb +5 | 5.14.21-150400.24.41.1 | SUSE-SU-2023:0149-1 |
| openSUSE Leap 15.4 | kernel-azure +2 | 5.14.21-150400.14.31.1 | SUSE-SU-2023:0146-1 |
| openSUSE Leap 15.4 | kernel-debug +4 | 4.12.14-150100.197.134.1 | SUSE-SU-2023:0410-1, SUSE-SU-2023:0149-1 |
| openSUSE Leap 15.4 | kernel-default-base | 5.14.21-150400.24.41.1.150400.24.15.1 | SUSE-SU-2023:0149-1 |
| openSUSE Leap 15.4 | kernel-rt +3 | 5.14.21-150400.15.8.1 | SUSE-SU-2023:0147-1 |
Show 2 more (older releases, extended support, other products)Fewer releases
| Release | Package | Fixed in | Advisory |
|---|---|---|---|
| openSUSE Leap Micro 5.3 | kernel-default | 5.14.21-150400.24.41.1 | SUSE-SU-2023:0149-1 |
| openSUSE Leap Micro 5.3 | kernel-default-base | 5.14.21-150400.24.41.1.150400.24.15.1 | SUSE-SU-2023:0149-1 |
| openSUSE Leap Micro 5.3 | kernel-rt | 5.14.21-150400.15.8.1 | SUSE-SU-2023:0147-1 |
| openSUSE Leap Micro 5.2 | kernel-default | 5.3.18-150300.59.109.1 | SUSE-SU-2023:0152-1 |
| openSUSE Leap Micro 5.2 | kernel-default-base | 5.3.18-150300.59.109.1.150300.18.62.1 | SUSE-SU-2023:0152-1 |
| openSUSE Leap Micro 5.2 | kernel-rt | 5.3.18-150300.115.1 | SUSE-SU-2023:0134-1 |
Azure Linux
| Release | Package | Fixed in | Advisory |
|---|---|---|---|
| Azure Linux 2 (CBL-Mariner) | kernel | 5.15.86.1-1 | — |
Oracle Linux
| Release | Package | Fixed in | Advisory |
|---|---|---|---|
| Oracle Linux 7 | kernel-uek-container | 4.14.35-2047.524.5.el7 | ELSA-2023-12243 |
| Oracle Linux 7 | perf +10 | 4.14.35-2047.524.5.el7uek | ELSA-2023-12242 |
Advisories 17
- WID-SEC-2022-2322 Linux Kernel: Mehrere Schwachstellen ermöglichen nicht spezifizierten Angriff BSI CERT-Bund (WID) · Nov 9, 2026
- RHSA-2022:8267 Red Hat Security Advisory: kernel security, bug fix, and enhancement update Red Hat Security Advisories (RHSA) · Oct 17, 2026
- RHSA-2022:7683 Red Hat Security Advisory: kernel security, bug fix, and enhancement update Red Hat Security Advisories (RHSA) · Oct 17, 2026
- RHSA-2022:7933 Red Hat Security Advisory: kernel-rt security and bug fix update Red Hat Security Advisories (RHSA) · Oct 15, 2026
- RHSA-2022:7444 Red Hat Security Advisory: kernel-rt security and bug fix update Red Hat Security Advisories (RHSA) · Oct 15, 2026
- SUSE-SU-2023:0146-1 Security update for the Linux Kernel SUSE / openSUSE Security Updates · Feb 4, 2026
- SUSE-SU-2023:0149-1 Security update for the Linux Kernel SUSE / openSUSE Security Updates · Feb 4, 2026
- SUSE-SU-2023:0148-1 Security update for the Linux Kernel SUSE / openSUSE Security Updates · Feb 4, 2026
- SUSE-SU-2023:0147-1 Security update for the Linux Kernel SUSE / openSUSE Security Updates · Feb 4, 2026
- SUSE-SU-2023:0152-1 Security update for the Linux Kernel SUSE / openSUSE Security Updates · Feb 4, 2026
- SUSE-SU-2023:0618-1 Security update for the Linux Kernel SUSE / openSUSE Security Updates · Feb 4, 2026
- SUSE-SU-2023:0134-1 Security update for the Linux Kernel SUSE / openSUSE Security Updates · Feb 4, 2026
- SUSE-SU-2023:0406-1 Security update for the Linux Kernel SUSE / openSUSE Security Updates · Feb 4, 2026
- SUSE-SU-2023:0145-1 Security update for the Linux Kernel SUSE / openSUSE Security Updates · Feb 4, 2026
- SUSE-SU-2023:0410-1 Security update for the Linux Kernel SUSE / openSUSE Security Updates · Feb 4, 2026
- ELSA-2023-12243 Important: Unbreakable Enterprise kernel-container security update (Oracle Linux 7) Oracle Linux Security Advisories (ELSA) · Apr 10, 2023
- ELSA-2023-12242 Important: Unbreakable Enterprise kernel security update (Oracle Linux 7) Oracle Linux Security Advisories (ELSA) · Apr 10, 2023