Description
An issue was discovered in the Linux kernel through 5.19.8. drivers/firmware/efi/capsule-loader.c has a race condition with a resultant use-after-free.
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 | 5.19.11-1 | — |
| Debian 13 | linux | 5.19.11-1 | — |
| Debian 12 | linux | 5.19.11-1 | — |
| Debian 11 | linux | 5.10.149-1 | DSA-5257-1 |
| Debian 10 | linux | 4.19.260-1 | DLA-3131-1 |
| Debian 10 | linux-5.10 | 5.10.149-2~deb10u1 | DLA-3173-1 |
Ubuntu
Security tracker ↗| Release | Package | Fixed in | Advisory |
|---|---|---|---|
| Ubuntu 24.04 LTS | linux-raspi-realtime | No fix yet | — |
| Ubuntu 22.04 LTS | linux +1 | 5.15.0-57.63 | USN-5792-1 |
| Ubuntu 22.04 LTS | linux-aws | 5.15.0-1027.31 | USN-5792-2 |
| Ubuntu 22.04 LTS | linux-azure | 5.15.0-1030.37 | USN-5792-2 |
| Ubuntu 22.04 LTS | linux-azure-fde | 5.15.0-1030.37.1 | USN-5792-2 |
| Ubuntu 22.04 LTS | linux-gcp | 5.15.0-1026.33 | USN-5792-1 |
| Ubuntu 22.04 LTS | linux-gke | 5.15.0-1024.29 | USN-5792-1 |
| Ubuntu 22.04 LTS | linux-gkeop | 5.15.0-1012.16 | USN-5792-1 |
| Ubuntu 22.04 LTS | linux-ibm | 5.15.0-1022.25 | USN-5792-1 |
| Ubuntu 22.04 LTS | linux-intel-iotg | 5.15.0-1023.28 | — |
| Ubuntu 22.04 LTS | linux-kvm | 5.15.0-1025.30 | USN-5792-1 |
| Ubuntu 22.04 LTS | linux-nvidia | 5.15.0-1015.15 | — |
| Ubuntu 22.04 LTS | linux-oem-5.17 | 5.17.0-1031.32 | USN-6071-1 |
| Ubuntu 22.04 LTS | linux-oracle | 5.15.0-1026.32 | USN-5792-1 |
| Ubuntu 22.04 LTS | linux-raspi | 5.15.0-1022.24 | USN-5792-1 |
| Ubuntu 22.04 LTS | linux-riscv +2 | No fix yet | — |
| Ubuntu 20.04 LTS | linux | 5.4.0-136.153 | USN-5791-1 |
| Ubuntu 20.04 LTS | linux-aws | 5.4.0-1093.101 | USN-5791-1 |
| Ubuntu 20.04 LTS | linux-aws-5.15 +1 | 5.15.0-1027.31~20.04.1 | USN-5792-2 |
| Ubuntu 20.04 LTS | linux-azure | 5.4.0-1100.106 | USN-5791-2 |
| Ubuntu 20.04 LTS | linux-azure-5.15 | 5.15.0-1030.37~20.04.1 | USN-5792-2 |
| Ubuntu 20.04 LTS | linux-azure-fde | 5.4.0-1100.106+cvm1.1 | USN-5791-3 |
| Ubuntu 20.04 LTS | linux-bluefield | 5.4.0-1054.60 | USN-5815-1 |
| Ubuntu 20.04 LTS | linux-gcp | 5.4.0-1097.106 | USN-5791-1 |
| Ubuntu 20.04 LTS | linux-gcp-5.15 | 5.15.0-1027.34~20.04.1 | — |
| Ubuntu 20.04 LTS | linux-gke | 5.4.0-1091.98 | USN-5791-1 |
| Ubuntu 20.04 LTS | linux-gke-5.15 | 5.15.0-1027.32~20.04.1 | USN-5877-1 |
| Ubuntu 20.04 LTS | linux-gkeop | 5.4.0-1061.65 | USN-5791-1 |
| Ubuntu 20.04 LTS | linux-gkeop-5.15 | 5.15.0-1012.16~20.04.1 | — |
| Ubuntu 20.04 LTS | linux-hwe-5.15 | 5.15.0-57.63~20.04.1 | USN-5792-1 |
| Ubuntu 20.04 LTS | linux-ibm | 5.4.0-1041.46 | USN-5791-1 |
| Ubuntu 20.04 LTS | linux-intel-iotg-5.15 | 5.15.0-1023.28~20.04.1 | — |
| Ubuntu 20.04 LTS | linux-iot | 5.4.0-1010.12 | — |
| Ubuntu 20.04 LTS | linux-kvm | 5.4.0-1083.89 | USN-5791-1 |
| Ubuntu 20.04 LTS | linux-lowlatency-hwe-5.15 | 5.15.0-58.64~20.04.1 | — |
| Ubuntu 20.04 LTS | linux-oracle | 5.4.0-1091.100 | USN-5791-1 |
| Ubuntu 20.04 LTS | linux-oracle-5.15 | 5.15.0-1027.33~20.04.1 | — |
| Ubuntu 20.04 LTS | linux-raspi | 5.4.0-1078.89 | USN-5791-1 |
| Ubuntu 20.04 LTS | linux-riscv +23 | No fix yet | — |
| Ubuntu 18.04 LTS | linux | 4.15.0-201.212 | USN-5790-1 |
| Ubuntu 18.04 LTS | linux-aws | 4.15.0-1147.159 | USN-5790-1 |
| Ubuntu 18.04 LTS | linux-aws-5.4 | 5.4.0-1093.102~18.04.2 | USN-5791-1 |
| Ubuntu 18.04 LTS | linux-azure-4.15 | 4.15.0-1158.173 | USN-5790-1 |
| Ubuntu 18.04 LTS | linux-azure-5.4 | 5.4.0-1100.106~18.04.1 | USN-5791-3 |
| Ubuntu 18.04 LTS | linux-dell300x | 4.15.0-1058.63 | USN-5790-1 |
| Ubuntu 18.04 LTS | linux-gcp +14 | No fix yet | — |
| Ubuntu 18.04 LTS | linux-gcp-4.15 | 4.15.0-1142.158 | USN-5790-1 |
| Ubuntu 18.04 LTS | linux-gcp-5.4 | 5.4.0-1097.106~18.04.1 | USN-5791-1 |
| Ubuntu 18.04 LTS | linux-hwe-5.4 | 5.4.0-136.153~18.04.1 | USN-5791-1 |
| Ubuntu 18.04 LTS | linux-ibm-5.4 | 5.4.0-1041.46~18.04.1 | USN-5791-1 |
| Ubuntu 18.04 LTS | linux-kvm | 4.15.0-1133.138 | USN-5790-1 |
| Ubuntu 18.04 LTS | linux-oracle | 4.15.0-1112.123 | USN-5790-1 |
| Ubuntu 18.04 LTS | linux-oracle-5.4 | 5.4.0-1091.100~18.04.1 | USN-5791-1 |
| Ubuntu 18.04 LTS | linux-raspi-5.4 | 5.4.0-1078.89~18.04.1 | USN-5791-1 |
| Ubuntu 18.04 LTS | linux-raspi2 | 4.15.0-1125.133 | USN-5790-1 |
| Ubuntu 18.04 LTS | linux-snapdragon | 4.15.0-1143.153 | USN-5790-1 |
| Ubuntu 16.04 LTS | linux-hwe-edge | No fix yet | — |
Show 7 more (older releases, extended support, other products)Fewer releases
| Release | Package | Fixed in | Advisory |
|---|---|---|---|
| Ubuntu Pro Realtime 22.04 LTS | linux-realtime | 5.15.0-1029.32 | — |
| 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 | 5.4.0-1093.101+fips1 | — |
| Ubuntu Pro FIPS-updates 20.04 LTS | linux-azure-fips | 5.4.0-1100.106+fips1 | — |
| Ubuntu Pro FIPS-updates 20.04 LTS | linux-fips | 5.4.0-1069.78 | — |
| Ubuntu Pro FIPS-updates 20.04 LTS | linux-gcp-fips | 5.4.0-1097.106+fips1 | — |
| Ubuntu Pro FIPS-updates 18.04 LTS | linux-aws-fips | 4.15.0-2087.93 | — |
| Ubuntu Pro FIPS-updates 18.04 LTS | linux-azure-fips | 4.15.0-2067.73 | — |
| Ubuntu Pro FIPS-updates 18.04 LTS | linux-fips | 4.15.0-1104.115 | — |
| Ubuntu Pro FIPS-updates 18.04 LTS | linux-gcp-fips | 4.15.0-2052.57 | — |
| Ubuntu Pro 16.04 LTS | linux-aws-hwe | 4.15.0-1147.159~16.04.1 | USN-5790-1 |
| Ubuntu Pro 16.04 LTS | linux-azure | 4.15.0-1159.174~16.04.1 | — |
| Ubuntu Pro 16.04 LTS | linux-gcp | 4.15.0-1142.158~16.04.1 | USN-5790-1 |
| Ubuntu Pro 16.04 LTS | linux-hwe | 4.15.0-201.212~16.04.1 | USN-5790-1 |
| Ubuntu Pro 16.04 LTS | linux-oracle | 4.15.0-1112.123~16.04.1 | USN-5790-1 |
| Ubuntu Pro 14.04 LTS | linux-azure | 4.15.0-1158.173~14.04.1 | USN-5790-1 |
SUSE
Security tracker ↗| Release | Package | Fixed in | Advisory |
|---|---|---|---|
| SLES 15 SP2 | kernel-default-base | 5.3.18-150200.24.139.1.150200.9.65.2 | SUSE-SU-2022:4589-1 |
| SLES 15 SP2 | kernel-docs +5 | 5.3.18-150200.24.139.1 | SUSE-SU-2022:4589-1 |
| SLES 15 SP1 | kernel-docs +5 | 4.12.14-150100.197.131.1 | SUSE-SU-2022:4574-1 |
| SLES 15 | kernel-docs +6 | 4.12.14-150000.150.109.1 | SUSE-SU-2022:4573-1 |
| SLES 12 SP5 | kernel-azure +2 | 4.12.14-16.115.1 | SUSE-SU-2022:4273-1 |
| SLES 12 SP5 | kernel-docs +4 | 4.12.14-122.139.1 | SUSE-SU-2022:4272-1 |
| SLES 12 SP4 | kernel-syms +2 | 4.12.14-95.114.1 | SUSE-SU-2022:4615-1 |
Show 23 more (older releases, extended support, other products)Fewer releases
| Release | Package | Fixed in | Advisory |
|---|---|---|---|
| SLES 12 SP3 | kernel-syms +2 | 4.4.180-94.182.1 | SUSE-SU-2022:4611-1 |
| SLES 12 SP2 | kernel-syms +2 | 4.4.121-92.196.2 | SUSE-SU-2022:4561-1 |
| SLES for SAP 15 SP2 | kernel-default-base | 5.3.18-150200.24.139.1.150200.9.65.2 | SUSE-SU-2022:4589-1 |
| SLES for SAP 15 SP2 | kernel-docs +5 | 5.3.18-150200.24.139.1 | SUSE-SU-2022:4589-1 |
| SLES for SAP 15 SP1 | kernel-docs +4 | 4.12.14-150100.197.131.1 | SUSE-SU-2022:4574-1 |
| SLES for SAP 15 | kernel-docs +5 | 4.12.14-150000.150.109.1 | SUSE-SU-2022:4573-1 |
| SLES for SAP 12 SP5 | kernel-azure +2 | 4.12.14-16.115.1 | SUSE-SU-2022:4273-1 |
| SLES for SAP 12 SP5 | kernel-syms +2 | 4.12.14-122.139.1 | SUSE-SU-2022:4272-1 |
| SLES for SAP 12 SP4 | kernel-syms +2 | 4.12.14-95.114.1 | SUSE-SU-2022:4615-1 |
| SLE Real Time 12 SP5 | kernel-rt +3 | 4.12.14-10.103.1 | SUSE-SU-2022:4614-1, SUSE-SU-2022:3810-1 |
| SLE Live Patching 15 SP2 | kernel-default | 5.3.18-150200.24.139.1 | SUSE-SU-2022:4589-1 |
| SLE Live Patching 15 SP2 | kernel-livepatch-SLE15-SP2_Update_32 | 1-150200.5.5.1 | SUSE-SU-2022:4589-1 |
| SLE Live Patching 15 SP1 | kernel-default | 4.12.14-150100.197.131.1 | SUSE-SU-2022:4574-1 |
| SLE Live Patching 15 SP1 | kernel-livepatch-SLE15-SP1_Update_36 | 1-150100.3.5.1 | SUSE-SU-2022:4574-1 |
| SLE Live Patching 15 | kernel-default | 4.12.14-150000.150.109.1 | SUSE-SU-2022:4573-1 |
| SLE Live Patching 15 | kernel-livepatch-SLE15_Update_35 | 1-150000.1.5.1 | SUSE-SU-2022:4573-1 |
| SLE Live Patching 12 SP5 | kernel-default | 4.12.14-122.139.1 | SUSE-SU-2022:4272-1 |
| SLE Live Patching 12 SP5 | kgraft-patch-SLE12-SP5_Update_37 | 1-8.3.1 | SUSE-SU-2022:4272-1 |
| SLE Live Patching 12 SP4 | kernel-default | 4.12.14-95.114.1 | SUSE-SU-2022:4615-1 |
| SLE Live Patching 12 SP4 | kgraft-patch-SLE12-SP4_Update_32 | 1-6.3.1 | SUSE-SU-2022:4615-1 |
| SLE HPC 15 SP2 | kernel-default-base | 5.3.18-150200.24.139.1.150200.9.65.2 | SUSE-SU-2022:4589-1 |
| SLE HPC 15 SP2 | kernel-docs +5 | 5.3.18-150200.24.139.1 | SUSE-SU-2022:4589-1 |
| SLE HPC 15 SP1 | kernel-docs +4 | 4.12.14-150100.197.131.1 | SUSE-SU-2022:4574-1 |
| SLE HPC 15 | kernel-docs +5 | 4.12.14-150000.150.109.1 | SUSE-SU-2022:4573-1 |
| SUSE OpenStack Cloud Crowbar 9 | kernel-syms +2 | 4.12.14-95.114.1 | SUSE-SU-2022:4615-1 |
| SUSE OpenStack Cloud 9 | kernel-syms +2 | 4.12.14-95.114.1 | SUSE-SU-2022:4615-1 |
| SUSE Manager Server 4.1 | kernel-default-base | 5.3.18-150200.24.139.1.150200.9.65.2 | SUSE-SU-2022:4589-1 |
| SUSE Manager Server 4.1 | kernel-docs +5 | 5.3.18-150200.24.139.1 | SUSE-SU-2022:4589-1 |
| SUSE Manager Retail Branch Server 4.1 | kernel-default-base | 5.3.18-150200.24.139.1.150200.9.65.2 | SUSE-SU-2022:4589-1 |
| SUSE Manager Retail Branch Server 4.1 | kernel-docs +4 | 5.3.18-150200.24.139.1 | SUSE-SU-2022:4589-1 |
| SUSE Manager Proxy 4.1 | kernel-default-base | 5.3.18-150200.24.139.1.150200.9.65.2 | SUSE-SU-2022:4589-1 |
| SUSE Manager Proxy 4.1 | kernel-docs +4 | 5.3.18-150200.24.139.1 | SUSE-SU-2022:4589-1 |
| SUSE Enterprise Storage 7 | kernel-default-base | 5.3.18-150200.24.139.1.150200.9.65.2 | SUSE-SU-2022:4589-1 |
| SUSE Enterprise Storage 7 | kernel-docs +5 | 5.3.18-150200.24.139.1 | SUSE-SU-2022:4589-1 |
| SUSE Enterprise Storage 6 | kernel-docs +4 | 4.12.14-150100.197.131.1 | SUSE-SU-2022:4574-1 |
openSUSE
Security tracker ↗| Release | Package | Fixed in | Advisory |
|---|---|---|---|
| openSUSE Leap 15.4 | kernel-debug +4 | 4.12.14-150100.197.131.1 | SUSE-SU-2022:4574-1 |
| openSUSE Leap 15.3 | kernel-debug +4 | 4.12.14-150100.197.131.1 | SUSE-SU-2022:4574-1 |
Amazon Linux
| Release | Package | Fixed in | Advisory |
|---|---|---|---|
| Amazon Linux 2023 | kernel-livepatch-6.1.10-15.42 | 1.0-0.amzn2023 | ALAS2023-2023-070 |
| Amazon Linux 2023 | perf +12 | 6.1.10-15.42.amzn2023 | ALAS2023-2023-070 |
| Amazon Linux 2 | kernel-livepatch-4.14.294-220.533 | 1.0-0.amzn2 | ALAS2-2022-1852 |
| Amazon Linux 2 | perf +8 | 4.14.294-220.533.amzn2 | ALAS2-2022-1852 |
Azure Linux
| Release | Package | Fixed in | Advisory |
|---|---|---|---|
| Azure Linux 2 (CBL-Mariner) | kernel | 5.15.70.1-1 | — |
Advisories 31
- USN-5792-1 linux, linux-gcp, linux-gke, linux-gkeop, linux-hwe-5.15, linux-ibm, linux-kvm, linux-lowlatency, linux-oracle, linux-raspi, vulnerabilities Ubuntu Security Notices (USN) · Oct 23, 2026
- USN-5877-1 linux-gke-5.15 vulnerabilities Ubuntu Security Notices (USN) · Oct 23, 2026
- USN-5792-2 linux-aws, linux-aws-5.15, linux-azure, linux-azure-5.15, linux-azure-fde vulnerabilities Ubuntu Security Notices (USN) · Oct 23, 2026
- USN-6071-1 linux-oem-5.17 vulnerabilities Ubuntu Security Notices (USN) · Oct 22, 2026
- USN-5791-3 linux-azure-5.4, linux-azure-fde vulnerabilities Ubuntu Security Notices (USN) · Oct 22, 2026
- USN-5815-1 linux-bluefield vulnerabilities Ubuntu Security Notices (USN) · Oct 22, 2026
- USN-5790-1 linux, linux-aws, linux-aws-hwe, linux-azure, linux-azure-4.15, linux-dell300x, linux-gcp, linux-gcp-4.15, linux-hwe, linux-kvm, linux-oracle, linux-raspi2, linux-snapdragon vulnerabilities Ubuntu Security Notices (USN) · Oct 22, 2026
- USN-5791-1 linux, linux-aws, linux-aws-5.4, linux-gcp, linux-gcp-5.4, linux-gke, linux-gkeop, linux-hwe-5.4, linux-ibm, linux-ibm-5.4, linux-kvm, linux-oracle, linux-oracle-5.4, linux-raspi, linux-raspi-5.4 vulnerabilities Ubuntu Security Notices (USN) · Oct 22, 2026
- USN-5791-2 linux-azure vulnerabilities Ubuntu Security Notices (USN) · Oct 22, 2026
- SSA-794697 SSA-794697: Vulnerabilities in the Additional GNU/Linux Subsystem of the SIMATIC S7-1500 TM MFP Before V1.1 Siemens ProductCERT · Oct 13, 2026
- WID-SEC-2024-0794 Dell ECS: Mehrere Schwachstellen BSI CERT-Bund (WID) · Aug 11, 2026
- DSA-5257-1 linux - security update Debian Security (DSA / DLA) · Mar 9, 2026
- DLA-3131-1 linux - security update Debian Security (DSA / DLA) · Mar 9, 2026
- DLA-3173-1 linux-5.10 - security update Debian Security (DSA / DLA) · Mar 9, 2026
- SUSE-SU-2022:3810-1 Security update for the Linux Kernel SUSE / openSUSE Security Updates · Feb 4, 2026
- SUSE-SU-2022:4573-1 Security update for the Linux Kernel SUSE / openSUSE Security Updates · Feb 4, 2026
- SUSE-SU-2022:4561-1 Security update for the Linux Kernel SUSE / openSUSE Security Updates · Feb 4, 2026
- SUSE-SU-2022:4615-1 Security update for the Linux Kernel SUSE / openSUSE Security Updates · Feb 4, 2026
- SUSE-SU-2022:4574-1 Security update for the Linux Kernel SUSE / openSUSE Security Updates · Feb 4, 2026
- SUSE-SU-2022:4611-1 Security update for the Linux Kernel SUSE / openSUSE Security Updates · Feb 4, 2026
- SUSE-SU-2022:4272-1 Security update for the Linux Kernel SUSE / openSUSE Security Updates · Feb 4, 2026
- SUSE-SU-2022:4589-1 Security update for the Linux Kernel SUSE / openSUSE Security Updates · Feb 4, 2026
- SUSE-SU-2022:4273-1 Security update for the Linux Kernel SUSE / openSUSE Security Updates · Feb 4, 2026
- ALAS2-2022-1852 Important: kernel security update (Amazon Linux 2) Amazon Linux Security Center (ALAS) · Aug 26, 2025
- SUSE-SU-2022:4614-1 Security update for the Linux Kernel SUSE / openSUSE Security Updates · May 2, 2025
- ALAS2023-2023-070 Important: kernel security update (Amazon Linux 2023) Amazon Linux Security Center (ALAS) · Apr 10, 2024
- ICSA-23-166-11 Siemens SIMATIC S7-1500 TM MFP Linux Kernel CISA ICS & IT advisories · Apr 9, 2024
- ICSA-23-166-10 Siemens SIMATIC S7-1500 TM MFP BIOS CISA ICS & IT advisories · Apr 9, 2024
- SSA-831302 SSA-831302: Vulnerabilities in the BIOS of the SIMATIC S7-1500 TM MFP before V1.3.0 Siemens ProductCERT · Apr 9, 2024
- WID-SEC-2022-1360 Linux Kernel: Schwachstelle ermöglicht nicht spezifizierten Angriff BSI CERT-Bund (WID) · Jan 18, 2024
- WID-SEC-2023-1432 Siemens SIMATIC S7: Mehrere Schwachstellen BSI CERT-Bund (WID) · Jun 22, 2023