Description
The Linux kernel before 6.2.9 has a race condition and resultant use-after-free in drivers/net/ethernet/qualcomm/emac/emac.c if a physically proximate attacker unplugs an emac based device.
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 | 6.1.25-1 | — |
| Debian 13 | linux | 6.1.25-1 | — |
| Debian 12 | linux | 6.1.25-1 | — |
Ubuntu
Security tracker ↗| Release | Package | Fixed in | Advisory |
|---|---|---|---|
| Ubuntu Nvidia-BlueField 22.04 LTS | linux-bluefield | 5.15.0-1022.24 | — |
| Ubuntu 24.04 LTS | linux-raspi-realtime | No fix yet | — |
| Ubuntu 22.04 LTS | linux | 5.15.0-79.86 | USN-6300-1 |
| Ubuntu 22.04 LTS | linux-aws | 5.15.0-1042.47 | USN-6300-1 |
| Ubuntu 22.04 LTS | linux-azure | 5.15.0-1045.52 | USN-6332-1 |
| Ubuntu 22.04 LTS | linux-azure-fde | 5.15.0-1044.51.1 | USN-6332-1 |
| Ubuntu 22.04 LTS | linux-gcp | 5.15.0-1039.47 | USN-6300-1 |
| Ubuntu 22.04 LTS | linux-gke +1 | 5.15.0-1039.44 | USN-6311-1, USN-6300-1 |
| Ubuntu 22.04 LTS | linux-gkeop | 5.15.0-1025.30 | USN-6311-1 |
| Ubuntu 22.04 LTS | linux-ibm +1 | 5.15.0-1035.38 | USN-6300-1 |
| Ubuntu 22.04 LTS | linux-intel-iotg | 5.15.0-1037.42 | USN-6300-1 |
| Ubuntu 22.04 LTS | linux-lowlatency | 5.15.0-79.88 | USN-6300-1 |
| Ubuntu 22.04 LTS | linux-nvidia | 5.15.0-1030.30 | USN-6300-1 |
| Ubuntu 22.04 LTS | linux-nvidia-tegra | 5.15.0-1016.16 | — |
| Ubuntu 22.04 LTS | linux-nvidia-tegra-igx | 5.15.0-1002.2 | — |
| Ubuntu 22.04 LTS | linux-oem-6.1 | 6.1.0-1009.9 | — |
| Ubuntu 22.04 LTS | linux-oracle | 5.15.0-1040.46 | USN-6300-1 |
| Ubuntu 22.04 LTS | linux-riscv +12 | No fix yet | — |
| Ubuntu 22.04 LTS | linux-xilinx-zynqmp | 5.15.0-1025.29 | — |
| Ubuntu 20.04 LTS | linux | 5.4.0-156.173 | USN-6284-1 |
| Ubuntu 20.04 LTS | linux-aws | 5.4.0-1107.115 | USN-6284-1 |
| Ubuntu 20.04 LTS | linux-aws-5.15 | 5.15.0-1041.46~20.04.1 | USN-6300-1 |
| Ubuntu 20.04 LTS | linux-azure | 5.4.0-1114.120 | USN-6331-1 |
| Ubuntu 20.04 LTS | linux-azure-5.15 | 5.15.0-1045.52~20.04.1 | USN-6332-1 |
| Ubuntu 20.04 LTS | linux-azure-fde-5.15 | 5.15.0-1043.50~20.04.1.1 | USN-6347-1 |
| Ubuntu 20.04 LTS | linux-bluefield | 5.4.0-1068.74 | USN-6314-1 |
| Ubuntu 20.04 LTS | linux-gcp | 5.4.0-1110.119 | USN-6284-1 |
| Ubuntu 20.04 LTS | linux-gcp-5.15 | 5.15.0-1039.47~20.04.1 | USN-6311-1 |
| Ubuntu 20.04 LTS | linux-gke | 5.4.0-1105.112 | USN-6312-1 |
| Ubuntu 20.04 LTS | linux-gke-5.15 | 5.15.0-1039.44~20.04.1 | USN-6311-1 |
| Ubuntu 20.04 LTS | linux-gkeop | 5.4.0-1074.78 | USN-6284-1 |
| Ubuntu 20.04 LTS | linux-gkeop-5.15 | 5.15.0-1025.30~20.04.1 | USN-6311-1 |
| Ubuntu 20.04 LTS | linux-hwe-5.15 | 5.15.0-79.86~20.04.2 | USN-6300-1 |
| Ubuntu 20.04 LTS | linux-ibm | 5.4.0-1054.59 | USN-6314-1 |
| Ubuntu 20.04 LTS | linux-ibm-5.15 | 5.15.0-1036.39~20.04.1 | — |
| Ubuntu 20.04 LTS | linux-intel-iotg-5.15 | 5.15.0-1037.42~20.04.1 | USN-6300-1 |
| Ubuntu 20.04 LTS | linux-iot | 5.4.0-1019.20 | USN-6284-1 |
| Ubuntu 20.04 LTS | linux-kvm | 5.4.0-1096.102 | USN-6284-1 |
| Ubuntu 20.04 LTS | linux-lowlatency-hwe-5.15 | 5.15.0-79.88~20.04.1 | USN-6300-1 |
| Ubuntu 20.04 LTS | linux-nvidia-tegra-5.15 | 5.15.0-1016.16~20.04.1 | — |
| Ubuntu 20.04 LTS | linux-oracle | 5.4.0-1106.115 | USN-6284-1 |
| Ubuntu 20.04 LTS | linux-oracle-5.15 | 5.15.0-1040.46~20.04.1 | USN-6300-1 |
| Ubuntu 20.04 LTS | linux-raspi | 5.4.0-1091.102 | USN-6284-1 |
| Ubuntu 20.04 LTS | linux-riscv +24 | No fix yet | — |
| Ubuntu 20.04 LTS | linux-riscv-5.15 | 5.15.0-1038.42~20.04.2 | — |
| Ubuntu 20.04 LTS | linux-xilinx-zynqmp | 5.4.0-1027.31 | USN-6301-1 |
| Ubuntu 18.04 LTS | linux-gcp +14 | No fix yet | — |
Show 10 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 | 5.15.0-1036.38 | — |
| Ubuntu Pro Realtime 22.04 LTS | linux-realtime | 5.15.0-1043.48 | — |
| Ubuntu Pro FIPS 20.04 LTS | linux-fips +3 | No fix yet | — |
| Ubuntu Pro FIPS 18.04 LTS | linux-fips +3 | No fix yet | — |
| Ubuntu Pro FIPS-updates 20.04 LTS | linux-aws-fips | 5.4.0-1107.115+fips1 | — |
| Ubuntu Pro FIPS-updates 20.04 LTS | linux-azure-fips | 5.4.0-1113.119+fips1 | — |
| Ubuntu Pro FIPS-updates 20.04 LTS | linux-fips | 5.4.0-1082.91 | — |
| Ubuntu Pro FIPS-updates 20.04 LTS | linux-gcp-fips | 5.4.0-1110.119+fips1 | — |
| Ubuntu Pro FIPS-updates 18.04 LTS | linux-fips +3 | No fix yet | — |
| Ubuntu Pro FIPS-preview 22.04 LTS | linux-fips | No fix yet | — |
| Ubuntu Pro 18.04 LTS | linux +5 | No fix yet | — |
| Ubuntu Pro 18.04 LTS | linux-aws-5.4 | 5.4.0-1107.115~18.04.1 | USN-6284-1 |
| Ubuntu Pro 18.04 LTS | linux-azure-5.4 | 5.4.0-1113.119~18.04.1 | USN-6337-1 |
| Ubuntu Pro 18.04 LTS | linux-gcp-5.4 | 5.4.0-1110.119~18.04.1 | USN-6284-1 |
| Ubuntu Pro 18.04 LTS | linux-hwe-5.4 | 5.4.0-156.173~18.04.1 | USN-6301-1 |
| Ubuntu Pro 18.04 LTS | linux-ibm-5.4 | 5.4.0-1054.59~18.04.1 | USN-6312-1 |
| Ubuntu Pro 18.04 LTS | linux-oracle-5.4 | 5.4.0-1106.115~18.04.1 | USN-6284-1 |
| Ubuntu Pro 18.04 LTS | linux-raspi-5.4 | 5.4.0-1091.102~18.04.1 | USN-6284-1 |
| Ubuntu Pro 16.04 LTS | linux-gcp +4 | No fix yet | — |
| Ubuntu Pro 14.04 LTS | linux-azure | No fix yet | — |
Red Hat
Security tracker ↗| Release | Package | Fixed in | Advisory |
|---|---|---|---|
| RHEL 9 | bpftool | 7.2.0-362.8.1.el9_3 | RHSA-2023:6583 |
| RHEL 9 | rv +64 | 5.14.0-362.8.1.el9_3 | RHSA-2023:6583 |
| RHEL 8 | kernel-rt +12 | 4.18.0-513.5.1.rt7.307.el8_9 | RHSA-2023:6901 |
| RHEL 8 | perf +26 | 4.18.0-513.5.1.el8_9 | RHSA-2023:7077 |
Show 3 more (older releases, extended support, other products)Fewer releases
| Release | Package | Fixed in | Advisory |
|---|---|---|---|
| Red Hat Rhev Hypervisor 4 | perf +2 | 4.18.0-372.87.1.el8_6 | RHSA-2024:0412 |
| RHEL 8.8 EUS | perf +26 | 4.18.0-477.43.1.el8_8 | RHSA-2024:0575 |
| RHEL 8.6 EUS | perf +26 | 4.18.0-372.87.1.el8_6 | RHSA-2024:0412 |
AlmaLinux
Errata ↗| Release | Package | Fixed in | Advisory |
|---|---|---|---|
| AlmaLinux 8 | perf +24 | 4.18.0-513.5.1.el8_9 | ALSA-2023:7077 |
Amazon Linux
| Release | Package | Fixed in | Advisory |
|---|---|---|---|
| Amazon Linux 2 | kernel-livepatch-4.14.313-235.533 | 1.0-0.amzn2 | ALAS2-2023-2027 |
| Amazon Linux 2 | perf +8 | 4.14.313-235.533.amzn2 | ALAS2-2023-2027 |
Azure Linux
| Release | Package | Fixed in | Advisory |
|---|---|---|---|
| Azure Linux 2 (CBL-Mariner) | kernel | 5.15.112.1-2 | — |
Oracle Linux
| Release | Package | Fixed in | Advisory |
|---|---|---|---|
| Oracle Linux 9 | bpftool | 7.2.0-362.8.1.el9_3 | ELSA-2023-6583 |
| Oracle Linux 9 | rv +25 | 5.14.0-362.8.1.el9_3 | ELSA-2023-6583 |
| Oracle Linux 8 | perf +19 | 4.18.0-513.5.1.el8_9 | ELSA-2023-7077 |
Advisories 23
- ALSA-2023:7077 Important: kernel security, bug fix, and enhancement update AlmaLinux Security Advisories · Oct 29, 2026
- USN-6300-1 linux, linux-aws, linux-aws-5.15, linux-gcp, linux-hwe-5.15, linux-ibm, linux-intel-iotg, linux-intel-iotg-5.15, linux-kvm, linux-lowlatency, linux-lowlatency-hwe-5.15, linux-nvidia, linux-oracle, linux-oracle-5.15, linux-raspi vulnerabilities Ubuntu Security Notices (USN) · Oct 22, 2026
- USN-6311-1 linux-gcp-5.15, linux-gke, linux-gke-5.15, linux-gkeop, linux-gkeop-5.15 vulnerabilities Ubuntu Security Notices (USN) · Oct 22, 2026
- USN-6332-1 linux-azure, linux-azure-5.15, linux-azure-fde vulnerabilities Ubuntu Security Notices (USN) · Oct 22, 2026
- USN-6337-1 linux-azure-5.4 vulnerabilities Ubuntu Security Notices (USN) · Oct 22, 2026
- USN-6314-1 linux-bluefield, linux-ibm vulnerabilities Ubuntu Security Notices (USN) · Oct 22, 2026
- USN-6331-1 linux-azure vulnerabilities Ubuntu Security Notices (USN) · Oct 22, 2026
- USN-6301-1 linux-hwe-5.4, linux-xilinx-zynqmp vulnerabilities Ubuntu Security Notices (USN) · Oct 22, 2026
- USN-6284-1 linux, linux-aws, linux-aws-5.4, linux-gcp, linux-gcp-5.4, linux-gkeop, linux-iot, linux-kvm, linux-oracle, linux-oracle-5.4, linux-raspi, linux-raspi-5.4 vulnerabilities Ubuntu Security Notices (USN) · Oct 22, 2026
- USN-6312-1 linux-gke, linux-ibm-5.4 vulnerabilities Ubuntu Security Notices (USN) · Oct 22, 2026
- RHSA-2023:7077 Red Hat Security Advisory: kernel security, bug fix, and enhancement update Red Hat Security Advisories (RHSA) · Oct 17, 2026
- RHSA-2023:6583 Red Hat Security Advisory: kernel security, bug fix, and enhancement update Red Hat Security Advisories (RHSA) · Oct 17, 2026
- RHSA-2024:0575 Red Hat Security Advisory: kernel security and bug fix update Red Hat Security Advisories (RHSA) · Oct 16, 2026
- RHSA-2024:0412 Red Hat Security Advisory: kernel security and bug fix update Red Hat Security Advisories (RHSA) · Oct 15, 2026
- RHSA-2023:6901 Red Hat Security Advisory: kernel-rt security, bug fix, and enhancement update Red Hat Security Advisories (RHSA) · Oct 15, 2026
- USN-6347-1 linux-azure-fde-5.15 vulnerabilities Ubuntu Security Notices (USN) · Jun 3, 2026
- ALAS2-2023-2027 Important: kernel security update (Amazon Linux 2) Amazon Linux Security Center (ALAS) · Feb 8, 2026
- WID-SEC-2024-1086 IBM QRadar SIEM: Mehrere Schwachstellen BSI CERT-Bund (WID) · Oct 19, 2025
- WID-SEC-2023-1250 Linux Kernel: Mehrere Schwachstellen BSI CERT-Bund (WID) · Jan 26, 2025
- ICSA-24-046-11 Siemens SCALANCE XCM-/XRM-300 CISA ICS & IT advisories · Feb 13, 2024
- SSA-806742 SSA-806742: Multiple Vulnerabilities in SCALANCE XCM-/XRM-300 before V2.4 Siemens ProductCERT · Feb 13, 2024
- ELSA-2023-7077 Important: kernel security, bug fix, and enhancement update (Oracle Linux 8) Oracle Linux Security Advisories (ELSA) · Nov 17, 2023
- ELSA-2023-6583 Important: kernel security, bug fix, and enhancement update (Oracle Linux 9) Oracle Linux Security Advisories (ELSA) · Nov 12, 2023