Description
A race condition was found in the Linux kernel's scsi device driver in lpfc_unregister_fcf_rescan() function. This can result in a null pointer dereference issue, possibly leading to a kernel panic or denial of service issue.
Affected products
| Vendor | Product | Affected | Fixed |
|---|---|---|---|
| Linux | Linux kernel | v2.6.34-rc2 – < v6.5-rc2 | v6.5-rc2 |
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 | 6.5.3-1 | — |
| Debian 13 | linux | 6.5.3-1 | — |
| Debian 12 | linux | 6.1.133-1 | DSA-5900-1 |
| Debian 11 | linux-6.1 | 6.1.137-1~deb11u1 | DLA-4193-1 |
Ubuntu
Security tracker ↗| Release | Package | Fixed in | Advisory |
|---|---|---|---|
| Ubuntu Nvidia-BlueField 22.04 LTS | linux-bluefield | 5.15.0-1038.40 | — |
| Ubuntu 24.04 LTS | linux-raspi-realtime | No fix yet | — |
| Ubuntu 22.04 LTS | linux +1 | 5.15.0-101.111 | USN-6704-1 |
| Ubuntu 22.04 LTS | linux-aws | 5.15.0-1056.61 | USN-6705-1 |
| Ubuntu 22.04 LTS | linux-azure | 5.15.0-1059.67 | USN-6704-1 |
| Ubuntu 22.04 LTS | linux-azure-fde | 5.15.0-1059.67.1 | USN-6704-1 |
| Ubuntu 22.04 LTS | linux-gcp | 5.15.0-1054.62 | USN-6704-1 |
| Ubuntu 22.04 LTS | linux-gke +1 | 5.15.0-1053.58 | USN-6704-1 |
| Ubuntu 22.04 LTS | linux-gkeop | 5.15.0-1039.45 | USN-6704-1 |
| Ubuntu 22.04 LTS | linux-ibm +1 | 5.15.0-1049.52 | USN-6704-2, USN-6704-1 |
| Ubuntu 22.04 LTS | linux-intel-iotg | 5.15.0-1051.57 | USN-6704-4 |
| Ubuntu 22.04 LTS | linux-nvidia | 5.15.0-1047.47 | USN-6704-1 |
| Ubuntu 22.04 LTS | linux-nvidia-tegra | 5.15.0-1025.25 | — |
| Ubuntu 22.04 LTS | linux-nvidia-tegra-igx | 5.15.0-1012.12 | — |
| Ubuntu 22.04 LTS | linux-oracle | 5.15.0-1054.60 | USN-6704-3 |
| Ubuntu 22.04 LTS | linux-riscv +21 | No fix yet | — |
| Ubuntu 22.04 LTS | linux-xilinx-zynqmp | 5.15.0-1030.34 | — |
| Ubuntu 20.04 LTS | linux | 5.4.0-174.193 | USN-6702-1 |
| Ubuntu 20.04 LTS | linux-aws | 5.4.0-1121.131 | USN-6702-2 |
| Ubuntu 20.04 LTS | linux-aws-5.15 | 5.15.0-1056.61~20.04.1 | USN-6705-1 |
| Ubuntu 20.04 LTS | linux-azure | 5.4.0-1126.133 | USN-6716-1 |
| Ubuntu 20.04 LTS | linux-azure-5.15 | 5.15.0-1059.67~20.04.1 | USN-6704-1 |
| Ubuntu 20.04 LTS | linux-azure-fde-5.15 | 5.15.0-1059.67~20.04.1.1 | USN-6704-1 |
| Ubuntu 20.04 LTS | linux-bluefield | 5.4.0-1081.88 | USN-6702-1 |
| Ubuntu 20.04 LTS | linux-gcp | 5.4.0-1125.134 | USN-6702-1 |
| Ubuntu 20.04 LTS | linux-gcp-5.15 | 5.15.0-1054.62~20.04.1 | USN-6704-1 |
| Ubuntu 20.04 LTS | linux-gke +26 | No fix yet | — |
| Ubuntu 20.04 LTS | linux-gkeop | 5.4.0-1088.92 | USN-6702-1 |
| Ubuntu 20.04 LTS | linux-gkeop-5.15 | 5.15.0-1039.45~20.04.1 | USN-6704-1 |
| Ubuntu 20.04 LTS | linux-hwe-5.15 +1 | 5.15.0-101.111~20.04.1 | USN-6704-1 |
| Ubuntu 20.04 LTS | linux-ibm | 5.4.0-1068.73 | USN-6702-1 |
| Ubuntu 20.04 LTS | linux-ibm-5.15 | 5.15.0-1049.52~20.04.1 | USN-6704-1 |
| Ubuntu 20.04 LTS | linux-intel-iotg-5.15 | 5.15.0-1051.57~20.04.1 | USN-6704-4 |
| Ubuntu 20.04 LTS | linux-iot | 5.4.0-1033.34 | USN-6702-1 |
| Ubuntu 20.04 LTS | linux-kvm | 5.4.0-1109.116 | USN-6702-1 |
| Ubuntu 20.04 LTS | linux-nvidia-tegra-5.15 | 5.15.0-1025.25~20.04.1 | — |
| Ubuntu 20.04 LTS | linux-oracle | 5.4.0-1120.129 | USN-6702-1 |
| Ubuntu 20.04 LTS | linux-oracle-5.15 | 5.15.0-1054.60~20.04.1 | USN-6704-3 |
| Ubuntu 20.04 LTS | linux-raspi | 5.4.0-1105.117 | USN-6702-2 |
| Ubuntu 20.04 LTS | linux-riscv-5.15 | 5.15.0-1052.56~20.04.1 | — |
| Ubuntu 20.04 LTS | linux-xilinx-zynqmp | 5.4.0-1040.44 | USN-6702-2 |
| Ubuntu 18.04 LTS | linux-gcp +14 | No fix yet | — |
Show 13 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 | 5.15.0-1049.51 | — |
| Ubuntu Pro Realtime 22.04 LTS | linux-realtime | 5.15.0-1057.64 | — |
| 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 16.04 LTS | linux-fips | No fix yet | — |
| Ubuntu Pro FIPS-updates 22.04 LTS | linux-aws-fips | 5.15.0-1056.61+fips1 | — |
| Ubuntu Pro FIPS-updates 22.04 LTS | linux-azure-fips | 5.15.0-1059.67+fips1 | — |
| Ubuntu Pro FIPS-updates 22.04 LTS | linux-fips | 5.15.0-101.111+fips1 | — |
| Ubuntu Pro FIPS-updates 22.04 LTS | linux-gcp-fips | 5.15.0-1055.63+fips2 | — |
| Ubuntu Pro FIPS-updates 20.04 LTS | linux-aws-fips | 5.4.0-1121.131+fips1 | — |
| Ubuntu Pro FIPS-updates 20.04 LTS | linux-azure-fips | 5.4.0-1126.133+fips1 | — |
| Ubuntu Pro FIPS-updates 20.04 LTS | linux-fips | 5.4.0-1095.105 | — |
| Ubuntu Pro FIPS-updates 20.04 LTS | linux-gcp-fips | 5.4.0-1125.134+fips1 | — |
| Ubuntu Pro FIPS-updates 18.04 LTS | linux-aws-fips | 4.15.0-2105.111 | — |
| Ubuntu Pro FIPS-updates 18.04 LTS | linux-azure-fips | 4.15.0-2084.90 | — |
| Ubuntu Pro FIPS-updates 18.04 LTS | linux-fips | 4.15.0-1121.132 | — |
| Ubuntu Pro FIPS-updates 18.04 LTS | linux-gcp-fips | 4.15.0-2068.73 | — |
| Ubuntu Pro FIPS-updates 16.04 LTS | linux-fips | 4.4.0-1099.106 | — |
| Ubuntu Pro FIPS-preview 22.04 LTS | linux-fips +3 | No fix yet | — |
| Ubuntu Pro 18.04 LTS | linux | 4.15.0-223.235 | USN-6701-1 |
| Ubuntu Pro 18.04 LTS | linux-aws | 4.15.0-1166.179 | USN-6701-1 |
| Ubuntu Pro 18.04 LTS | linux-aws-5.4 | 5.4.0-1121.131~18.04.1 | USN-6702-2 |
| Ubuntu Pro 18.04 LTS | linux-azure-4.15 | 4.15.0-1175.190 | USN-6701-3 |
| Ubuntu Pro 18.04 LTS | linux-azure-5.4 | 5.4.0-1126.133~18.04.1 | USN-6716-1 |
| Ubuntu Pro 18.04 LTS | linux-gcp-4.15 | 4.15.0-1160.177 | USN-6701-2 |
| Ubuntu Pro 18.04 LTS | linux-gcp-5.4 | 5.4.0-1125.134~18.04.1 | USN-6702-2 |
| Ubuntu Pro 18.04 LTS | linux-hwe-5.4 | 5.4.0-174.193~18.04.1 | USN-6702-1 |
| Ubuntu Pro 18.04 LTS | linux-ibm-5.4 | 5.4.0-1068.73~18.04.1 | USN-6702-1 |
| Ubuntu Pro 18.04 LTS | linux-kvm | 4.15.0-1150.155 | USN-6701-1 |
| Ubuntu Pro 18.04 LTS | linux-oracle | 4.15.0-1129.140 | USN-6701-1 |
| Ubuntu Pro 18.04 LTS | linux-oracle-5.4 | 5.4.0-1120.129~18.04.1 | USN-6702-1 |
| Ubuntu Pro 18.04 LTS | linux-raspi-5.4 | 5.4.0-1105.117~18.04.1 | USN-6702-2 |
| Ubuntu Pro 16.04 LTS | linux | 4.4.0-252.286 | USN-6700-1 |
| Ubuntu Pro 16.04 LTS | linux-aws | 4.4.0-1167.182 | USN-6700-2 |
| Ubuntu Pro 16.04 LTS | linux-aws-hwe | 4.15.0-1166.179~16.04.1 | USN-6701-3 |
| Ubuntu Pro 16.04 LTS | linux-azure | 4.15.0-1175.190~16.04.1 | USN-6701-3 |
| Ubuntu Pro 16.04 LTS | linux-gcp | 4.15.0-1160.177~16.04.1 | USN-6701-2 |
| Ubuntu Pro 16.04 LTS | linux-hwe | 4.15.0-223.235~16.04.1 | USN-6701-1 |
| Ubuntu Pro 16.04 LTS | linux-kvm | 4.4.0-1130.140 | USN-6700-1 |
| Ubuntu Pro 16.04 LTS | linux-oracle | 4.15.0-1129.140~16.04.1 | USN-6701-3 |
| Ubuntu Pro 14.04 LTS | linux | 3.13.0-197.248 | USN-6699-1 |
| Ubuntu Pro 14.04 LTS | linux-aws | 4.4.0-1129.135 | USN-6700-1 |
| Ubuntu Pro 14.04 LTS | linux-azure | 4.15.0-1175.190~14.04.1 | USN-6701-4 |
| Ubuntu Pro 14.04 LTS | linux-lts-xenial | 4.4.0-252.286~14.04.1 | USN-6700-1 |
SUSE
Security tracker ↗| Release | Package | Fixed in | Advisory |
|---|---|---|---|
| SLES 12 SP5 | kernel-azure +2 | 4.12.14-16.182.1 | SUSE-SU-2024:1643-1 |
| SLES 12 SP5 | kernel-docs +4 | 4.12.14-122.216.1 | SUSE-SU-2024:1870-1 |
Show 3 more (older releases, extended support, other products)Fewer releases
| Release | Package | Fixed in | Advisory |
|---|---|---|---|
| SLES for SAP 12 SP5 | kernel-azure +2 | 4.12.14-16.182.1 | SUSE-SU-2024:1643-1 |
| SLES for SAP 12 SP5 | kernel-syms +2 | 4.12.14-122.216.1 | SUSE-SU-2024:1870-1 |
| SLE Real Time 12 SP5 | kernel-rt +3 | 4.12.14-10.182.1 | SUSE-SU-2024:1646-1 |
| SLE Live Patching 12 SP5 | kernel-default | 4.12.14-122.216.1 | SUSE-SU-2024:1870-1 |
| SLE Live Patching 12 SP5 | kgraft-patch-SLE12-SP5_Update_56 | 1-8.3.1 | SUSE-SU-2024:1870-1 |
Advisories 24
- USN-6701-2 linux-gcp, linux-gcp-4.15 vulnerabilities Ubuntu Security Notices (USN) · Oct 23, 2026
- USN-6701-3 linux-aws-hwe, linux-azure, linux-azure-4.15, linux-oracle vulnerabilities Ubuntu Security Notices (USN) · Oct 23, 2026
- USN-6701-4 linux-azure vulnerabilities Ubuntu Security Notices (USN) · Oct 23, 2026
- USN-6700-2 linux-aws vulnerabilities Ubuntu Security Notices (USN) · Oct 23, 2026
- USN-6701-1 linux, linux-aws, linux-hwe, linux-kvm, linux-oracle vulnerabilities Ubuntu Security Notices (USN) · Oct 23, 2026
- USN-6700-1 linux, linux-aws, linux-kvm, linux-lts-xenial vulnerabilities Ubuntu Security Notices (USN) · Oct 23, 2026
- USN-6704-1 linux, linux-azure, linux-azure-5.15, linux-azure-fde, linux-azure-fde-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, linux-lowlatency-hwe-5.15, linux-nvidia vulnerabilities Ubuntu Security Notices (USN) · Oct 22, 2026
- USN-6702-1 linux, linux-bluefield, linux-gcp, linux-gkeop, linux-hwe-5.4, linux-ibm, linux-ibm-5.4, linux-iot, linux-kvm, linux-oracle, linux-oracle-5.4 vulnerabilities Ubuntu Security Notices (USN) · Oct 22, 2026
- USN-6702-2 linux-aws, linux-aws-5.4, linux-gcp-5.4, linux-raspi, linux-raspi-5.4, linux-xilinx-zynqmp vulnerabilities Ubuntu Security Notices (USN) · Oct 22, 2026
- USN-6704-2 linux-raspi vulnerabilities Ubuntu Security Notices (USN) · Oct 22, 2026
- USN-6704-4 linux-intel-iotg, linux-intel-iotg-5.15 vulnerabilities Ubuntu Security Notices (USN) · Oct 22, 2026
- USN-6705-1 linux-aws, linux-aws-5.15 vulnerabilities Ubuntu Security Notices (USN) · Oct 22, 2026
- USN-6716-1 linux-azure, linux-azure-5.4 vulnerabilities Ubuntu Security Notices (USN) · Oct 22, 2026
- USN-6704-3 linux-oracle, linux-oracle-5.15 vulnerabilities Ubuntu Security Notices (USN) · Oct 22, 2026
- USN-6699-1 linux vulnerabilities Ubuntu Security Notices (USN) · Oct 22, 2026
- SSA-082556 SSA-082556: Vulnerabilities in the additional GNU/Linux subsystem of the SIMATIC S7-1500 CPU 1518(F)-4 PN/DP MFP V3.1.5 Siemens ProductCERT · Oct 13, 2026
- ICSA-25-162-05 Siemens SIMATIC S7-1500 CPU family CISA ICS & IT advisories · May 14, 2026
- DSA-5900-1 linux - security update Debian Security (DSA / DLA) · Mar 9, 2026
- DLA-4193-1 linux-6.1 - security update Debian Security (DSA / DLA) · Mar 9, 2026
- SUSE-SU-2024:1870-1 Security update for the Linux Kernel SUSE / openSUSE Security Updates · Feb 4, 2026
- SUSE-SU-2024:1646-1 Security update for the Linux Kernel SUSE / openSUSE Security Updates · Feb 4, 2026
- SUSE-SU-2024:1643-1 Security update for the Linux Kernel SUSE / openSUSE Security Updates · Feb 4, 2026
- WID-SEC-2024-0296 Linux Kernel: Mehrere Schwachstellen ermöglichen Denial of Service BSI CERT-Bund (WID) · Jul 1, 2025
- NCSC-2025-0187 Kwetsbaarheden verholpen in Siemens producten NCSC-NL (Netherlands) · Jun 10, 2025