Description
A use-after-free flaw was found in lan78xx_disconnect in drivers/net/usb/lan78xx.c in the network sub-component, net/usb/lan78xx in the Linux Kernel. This flaw allows a local attacker to crash the system when the LAN78XX USB device detaches.
Affected products
| Vendor | Product | Affected | Fixed |
|---|---|---|---|
| — | Kernel | — | 6.5-rc5 |
| Red Hat | Red Hat Enterprise Linux 6 | — | — |
| Red Hat | Red Hat Enterprise Linux 7 | — | — |
| Red Hat | Red Hat Enterprise Linux 8 | — | — |
| Red Hat | Red Hat Enterprise Linux 9 | — | — |
| Fedora | Fedora | — | — |
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 | 6.4.11-1 | — |
| Debian 13 | linux | 6.4.11-1 | — |
| Debian 12 | linux | No fix yet | — |
Ubuntu
Security tracker ↗| Release | Package | Fixed in | Advisory |
|---|---|---|---|
| Ubuntu Nvidia-BlueField 22.04 LTS | linux-bluefield | 5.15.0-1035.37 | — |
| Ubuntu 24.04 LTS | linux-raspi-realtime | No fix yet | — |
| Ubuntu 22.04 LTS | linux +1 | 5.15.0-94.104 | USN-6626-2, USN-6626-1 |
| Ubuntu 22.04 LTS | linux-aws | 5.15.0-1053.58 | USN-6626-1 |
| Ubuntu 22.04 LTS | linux-aws-6.2 | 6.2.0-1017.17~22.04.1 | USN-6534-1 |
| Ubuntu 22.04 LTS | linux-azure | 5.15.0-1056.64 | USN-6626-3 |
| Ubuntu 22.04 LTS | linux-azure-6.2 +1 | 6.2.0-1018.18~22.04.1 | USN-6534-3, USN-6534-1 |
| Ubuntu 22.04 LTS | linux-azure-fde | 5.15.0-1056.64.1 | USN-6626-3 |
| Ubuntu 22.04 LTS | linux-azure-fde-6.2 | 6.2.0-1018.18~22.04.1.1 | USN-6534-1 |
| Ubuntu 22.04 LTS | linux-gcp | 5.15.0-1051.59 | USN-6626-1 |
| Ubuntu 22.04 LTS | linux-gke +1 | 5.15.0-1050.55 | USN-6626-1 |
| Ubuntu 22.04 LTS | linux-gkeop | 5.15.0-1036.42 | USN-6626-1 |
| Ubuntu 22.04 LTS | linux-hwe-6.2 | 6.2.0-39.40~22.04.1 | USN-6534-3 |
| Ubuntu 22.04 LTS | linux-ibm +1 | 5.15.0-1046.49 | USN-6626-2, USN-6626-1 |
| Ubuntu 22.04 LTS | linux-intel-iotg | 5.15.0-1047.53 | USN-6628-1 |
| Ubuntu 22.04 LTS | linux-nvidia | 5.15.0-1044.44 | USN-6626-1 |
| Ubuntu 22.04 LTS | linux-nvidia-6.2 | 6.2.0-1013.13 | USN-6534-3 |
| Ubuntu 22.04 LTS | linux-nvidia-tegra | 5.15.0-1022.22 | — |
| Ubuntu 22.04 LTS | linux-nvidia-tegra-igx | 5.15.0-1009.9 | — |
| Ubuntu 22.04 LTS | linux-oem-6.1 | 6.1.0-1036.36 | USN-6706-1 |
| Ubuntu 22.04 LTS | linux-oracle | 5.15.0-1051.57 | USN-6626-1 |
| Ubuntu 22.04 LTS | linux-riscv +14 | No fix yet | — |
| Ubuntu 22.04 LTS | linux-xilinx-zynqmp | 5.15.0-1027.31 | — |
| Ubuntu 20.04 LTS | linux-aws-5.15 | 5.15.0-1053.58~20.04.1 | USN-6626-1 |
| Ubuntu 20.04 LTS | linux-azure-5.15 | 5.15.0-1056.64~20.04.1 | USN-6626-3 |
| Ubuntu 20.04 LTS | linux-azure-fde-5.15 | 5.15.0-1056.64~20.04.1.1 | USN-6626-3 |
| Ubuntu 20.04 LTS | linux-gcp-5.15 | 5.15.0-1051.59~20.04.1 | USN-6626-1 |
| Ubuntu 20.04 LTS | linux-gke +26 | No fix yet | — |
| Ubuntu 20.04 LTS | linux-gkeop-5.15 | 5.15.0-1036.42~20.04.1 | USN-6626-1 |
| Ubuntu 20.04 LTS | linux-hwe-5.15 +1 | 5.15.0-94.104~20.04.1 | USN-6626-1 |
| Ubuntu 20.04 LTS | linux-ibm-5.15 | 5.15.0-1046.49~20.04.1 | USN-6626-1 |
| Ubuntu 20.04 LTS | linux-intel-iotg-5.15 | 5.15.0-1048.54~20.04.1 | USN-6628-2 |
| Ubuntu 20.04 LTS | linux-nvidia-tegra-5.15 | 5.15.0-1022.22~20.04.1 | — |
| Ubuntu 20.04 LTS | linux-oracle-5.15 | 5.15.0-1051.57~20.04.1 | USN-6626-1 |
| Ubuntu 20.04 LTS | linux-riscv-5.15 | 5.15.0-1049.53~20.04.2 | — |
| Ubuntu 18.04 LTS | linux-gcp +13 | No fix yet | — |
Show 4 more (older releases, extended support, other products)Fewer releases
| Release | Package | Fixed in | Advisory |
|---|---|---|---|
| Ubuntu 16.04 LTS | linux-hwe-edge | No fix yet | — |
| Ubuntu Pro Realtime 22.04 LTS | linux-intel-iot-realtime | 5.15.0-1046.48 | — |
| Ubuntu Pro Realtime 22.04 LTS | linux-realtime | 5.15.0-1054.60 | — |
| Ubuntu Pro FIPS-updates 22.04 LTS | linux-aws-fips | 5.15.0-1053.58+fips1 | — |
| Ubuntu Pro FIPS-updates 22.04 LTS | linux-fips | 5.15.0-94.104+fips1 | — |
| Ubuntu Pro FIPS-updates 22.04 LTS | linux-gcp-fips | 5.15.0-1055.63+fips2 | — |
| Ubuntu Pro FIPS-preview 22.04 LTS | linux-fips +3 | No fix yet | — |
SUSE
Security tracker ↗| Release | Package | Fixed in | Advisory |
|---|---|---|---|
| SLES 15 SP5 | kernel-64kb +6 | 5.14.21-150500.55.39.1 | SUSE-SU-2023:4730-1 |
| SLES 15 SP5 | kernel-azure +2 | 5.14.21-150500.33.26.1 | SUSE-SU-2023:4734-1 |
| SLES 15 SP5 | kernel-default-base | 5.14.21-150500.55.39.1.150500.6.17.1 | SUSE-SU-2023:4730-1 |
| SLES 15 SP4 | kernel-64kb +4 | 5.14.21-150400.24.100.2 | SUSE-SU-2023:4810-1 |
| SLES 15 SP4 | kernel-azure +2 | 5.14.21-150400.14.75.1 | SUSE-SU-2023:4782-1 |
| SLES 15 SP4 | kernel-default-base | 5.14.21-150400.24.100.2.150400.24.46.2 | SUSE-SU-2023:4810-1 |
| SLES 15 SP4 | kernel-docs +1 | 5.14.21-150400.24.100.1 | SUSE-SU-2023:4810-1 |
Show 7 more (older releases, extended support, other products)Fewer releases
| Release | Package | Fixed in | Advisory |
|---|---|---|---|
| SLE Micro 5.5 | kernel-default | 5.14.21-150500.55.39.1 | SUSE-SU-2023:4730-1 |
| SLE Micro 5.5 | kernel-default-base | 5.14.21-150500.55.39.1.150500.6.17.1 | SUSE-SU-2023:4730-1 |
| SLE Micro 5.5 | kernel-rt | 5.14.21-150500.13.27.2 | SUSE-SU-2023:4732-1 |
| SLE Micro 5.4 | kernel-default | 5.14.21-150400.24.100.2 | SUSE-SU-2023:4810-1 |
| SLE Micro 5.4 | kernel-default-base | 5.14.21-150400.24.100.2.150400.24.46.2 | SUSE-SU-2023:4810-1 |
| SLE Micro 5.4 | kernel-rt | 5.14.21-150400.15.62.1 | SUSE-SU-2023:4731-1 |
| SLE Micro 5.3 | kernel-default | 5.14.21-150400.24.100.2 | SUSE-SU-2023:4810-1 |
| SLE Micro 5.3 | kernel-default-base | 5.14.21-150400.24.100.2.150400.24.46.2 | SUSE-SU-2023:4810-1 |
| SLE Micro 5.3 | kernel-rt | 5.14.21-150400.15.62.1 | SUSE-SU-2023:4731-1 |
| SLE Live Patching 15 SP5 | kernel-default | 5.14.21-150500.55.39.1 | SUSE-SU-2023:4730-1 |
| SLE Live Patching 15 SP5 | kernel-livepatch-SLE15-SP5-RT_Update_8 | 1-150500.11.3.2 | SUSE-SU-2023:4732-1 |
| SLE Live Patching 15 SP5 | kernel-livepatch-SLE15-SP5_Update_8 | 1-150500.11.3.1 | SUSE-SU-2023:4730-1 |
| SLE Live Patching 15 SP4 | kernel-default | 5.14.21-150400.24.100.2 | SUSE-SU-2023:4810-1 |
| SLE Live Patching 15 SP4 | kernel-livepatch-SLE15-SP4-RT_Update_16 | 1-150400.1.3.1 | SUSE-SU-2023:4731-1 |
| SLE Live Patching 15 SP4 | kernel-livepatch-SLE15-SP4_Update_21 | 1-150400.9.3.2 | SUSE-SU-2023:4810-1 |
| SUSE Real Time Module 15 SP5 | kernel-rt +2 | 5.14.21-150500.13.27.2 | SUSE-SU-2023:4732-1 |
| SUSE Real Time Module 15 SP5 | kernel-syms-rt | 5.14.21-150500.13.27.1 | SUSE-SU-2023:4732-1 |
| SUSE Real Time Module 15 SP4 | kernel-rt +3 | 5.14.21-150400.15.62.1 | SUSE-SU-2023:4731-1 |
openSUSE
Security tracker ↗| Release | Package | Fixed in | Advisory |
|---|---|---|---|
| openSUSE Leap 15.5 | dtb-aarch64 +10 | 5.14.21-150500.55.39.1 | SUSE-SU-2023:4730-1 |
| openSUSE Leap 15.5 | kernel-azure +2 | 5.14.21-150500.33.26.1 | SUSE-SU-2023:4734-1 |
| openSUSE Leap 15.5 | kernel-default-base | 5.14.21-150500.55.39.1.150500.6.17.1 | SUSE-SU-2023:4730-1 |
| openSUSE Leap 15.5 | kernel-rt +2 | 5.14.21-150500.13.27.2 | SUSE-SU-2023:4732-1 |
| openSUSE Leap 15.5 | kernel-syms-rt | 5.14.21-150500.13.27.1 | SUSE-SU-2023:4732-1 |
| openSUSE Leap 15.4 | dtb-aarch64 +3 | 5.14.21-150400.24.100.1 | SUSE-SU-2023:4810-1 |
| openSUSE Leap 15.4 | kernel-64kb +6 | 5.14.21-150400.24.100.2 | SUSE-SU-2023:4810-1 |
| openSUSE Leap 15.4 | kernel-azure +2 | 5.14.21-150400.14.75.1 | SUSE-SU-2023:4782-1 |
| openSUSE Leap 15.4 | kernel-default-base | 5.14.21-150400.24.100.2.150400.24.46.2 | SUSE-SU-2023:4810-1 |
| openSUSE Leap 15.4 | kernel-rt +3 | 5.14.21-150400.15.62.1 | SUSE-SU-2023:4731-1 |
Show 2 more (older releases, extended support, other products)Fewer releases
| Release | Package | Fixed in | Advisory |
|---|---|---|---|
| openSUSE Leap Micro 5.4 | kernel-default | 5.14.21-150400.24.100.2 | SUSE-SU-2023:4810-1 |
| openSUSE Leap Micro 5.4 | kernel-default-base | 5.14.21-150400.24.100.2.150400.24.46.2 | SUSE-SU-2023:4810-1 |
| openSUSE Leap Micro 5.4 | kernel-rt | 5.14.21-150400.15.62.1 | SUSE-SU-2023:4731-1 |
| openSUSE Leap Micro 5.3 | kernel-default | 5.14.21-150400.24.100.2 | SUSE-SU-2023:4810-1 |
| openSUSE Leap Micro 5.3 | kernel-default-base | 5.14.21-150400.24.100.2.150400.24.46.2 | SUSE-SU-2023:4810-1 |
| openSUSE Leap Micro 5.3 | kernel-rt | 5.14.21-150400.15.62.1 | SUSE-SU-2023:4731-1 |
Azure Linux
| Release | Package | Fixed in | Advisory |
|---|---|---|---|
| Azure Linux 2 (CBL-Mariner) | kernel | No fix yet | — |
Advisories 15
- USN-6626-1 linux, linux-aws, linux-aws-5.15, linux-gcp, linux-gcp-5.15, linux-gke, linux-gkeop, linux-gkeop-5.15, linux-hwe-5.15, linux-ibm, linux-ibm-5.15, linux-kvm, linux-lowlatency-hwe-5.15, linux-nvidia, linux-oracle, linux-oracle-5.15 vulnerabilities Ubuntu Security Notices (USN) · Oct 23, 2026
- USN-6626-3 linux-azure, linux-azure-5.15, linux-azure-fde, linux-azure-fde-5.15 vulnerabilities Ubuntu Security Notices (USN) · Oct 23, 2026
- USN-6628-1 linux-intel-iotg vulnerabilities Ubuntu Security Notices (USN) · Oct 23, 2026
- USN-6534-1 linux, linux-aws, linux-aws-6.2, linux-azure, linux-azure-6.2, linux-azure-fde-6.2, linux-lowlatency, linux-oracle, linux-raspi, linux-starfive vulnerabilities Ubuntu Security Notices (USN) · Oct 23, 2026
- USN-6534-3 linux-hwe-6.2, linux-lowlatency-hwe-6.2, linux-nvidia-6.2 vulnerabilities Ubuntu Security Notices (USN) · Oct 23, 2026
- USN-6628-2 linux-intel-iotg-5.15 vulnerabilities Ubuntu Security Notices (USN) · Oct 23, 2026
- USN-6626-2 linux-lowlatency, linux-raspi vulnerabilities Ubuntu Security Notices (USN) · Oct 23, 2026
- USN-6706-1 linux-oem-6.1 vulnerability Ubuntu Security Notices (USN) · Jun 3, 2026
- SUSE-SU-2023:4734-1 Security update for the Linux Kernel SUSE / openSUSE Security Updates · Feb 4, 2026
- SUSE-SU-2023:4810-1 Security update for the Linux Kernel SUSE / openSUSE Security Updates · Feb 4, 2026
- SUSE-SU-2023:4732-1 Security update for the Linux Kernel SUSE / openSUSE Security Updates · Feb 4, 2026
- SUSE-SU-2023:4782-1 Security update for the Linux Kernel SUSE / openSUSE Security Updates · Feb 4, 2026
- SUSE-SU-2023:4730-1 Security update for the Linux Kernel SUSE / openSUSE Security Updates · May 2, 2025
- SUSE-SU-2023:4731-1 Security update for the Linux Kernel SUSE / openSUSE Security Updates · May 2, 2025
- WID-SEC-2023-2859 Linux Kernel: Schwachstelle ermöglicht Denial of Service BSI CERT-Bund (WID) · Mar 20, 2024