Description
A use-after-free vulnerability was found in the cyttsp4_core driver in the Linux kernel. This issue occurs in the device cleanup routine due to a possible rearming of the watchdog_timer from the workqueue. This could allow a local user to crash the system, causing a denial of service.
Affected products
| Vendor | Product | Affected | Fixed |
|---|---|---|---|
| — | kernel | — | — |
| 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 | — | — |
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 | 6.4.4-1 | — |
| Debian 13 | linux | 6.4.4-1 | — |
| Debian 12 | linux | No fix yet | — |
Ubuntu
Security tracker ↗| Release | Package | Fixed in | Advisory |
|---|---|---|---|
| Ubuntu Nvidia-BlueField 22.04 LTS | linux-bluefield | 5.15.0-1037.39 | — |
| Ubuntu 24.04 LTS | linux-raspi-realtime | No fix yet | — |
| Ubuntu 22.04 LTS | linux +1 | 5.15.0-100.110 | USN-6686-2, USN-6686-1 |
| Ubuntu 22.04 LTS | linux-aws | 5.15.0-1056.61 | USN-6705-1 |
| Ubuntu 22.04 LTS | linux-aws-6.2 | 6.2.0-1015.15~22.04.1 | USN-6464-1 |
| Ubuntu 22.04 LTS | linux-azure | 5.15.0-1058.66 | USN-6686-1 |
| Ubuntu 22.04 LTS | linux-azure-6.2 +1 | 6.2.0-1016.16~22.04.1 | USN-6464-1 |
| Ubuntu 22.04 LTS | linux-azure-fde | 5.15.0-1058.66.1 | USN-6686-1 |
| Ubuntu 22.04 LTS | linux-azure-fde-6.2 | 6.2.0-1016.16~22.04.1.1 | USN-6464-1 |
| Ubuntu 22.04 LTS | linux-gcp | 5.15.0-1053.61 | USN-6686-1 |
| Ubuntu 22.04 LTS | linux-gcp-6.2 | 6.2.0-1018.20~22.04.1 | USN-6464-1 |
| Ubuntu 22.04 LTS | linux-gke +1 | 5.15.0-1052.57 | USN-6686-4, USN-6686-1 |
| Ubuntu 22.04 LTS | linux-gkeop | 5.15.0-1038.44 | USN-6686-1 |
| Ubuntu 22.04 LTS | linux-hwe-6.2 | 6.2.0-36.37~22.04.1 | USN-6464-1 |
| Ubuntu 22.04 LTS | linux-ibm +1 | 5.15.0-1048.51 | USN-6686-2, USN-6686-1 |
| Ubuntu 22.04 LTS | linux-intel-iotg | 5.15.0-1050.56 | USN-6686-5 |
| Ubuntu 22.04 LTS | linux-nvidia | 5.15.0-1046.46 | USN-6686-1 |
| Ubuntu 22.04 LTS | linux-nvidia-6.2 | 6.2.0-1011.11 | USN-6466-1 |
| 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 | 5.15.0-1053.59 | USN-6686-3 |
| Ubuntu 22.04 LTS | linux-riscv +13 | No fix yet | — |
| Ubuntu 22.04 LTS | linux-starfive-6.2 | 6.2.0-1009.10~22.04.1 | USN-6520-1 |
| Ubuntu 22.04 LTS | linux-xilinx-zynqmp | 5.15.0-1030.34 | — |
| 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-5.15 | 5.15.0-1058.66~20.04.2 | USN-6686-1 |
| Ubuntu 20.04 LTS | linux-azure-fde-5.15 | 5.15.0-1058.66~20.04.2.1 | USN-6686-1 |
| Ubuntu 20.04 LTS | linux-gcp-5.15 | 5.15.0-1053.61~20.04.1 | USN-6686-1 |
| Ubuntu 20.04 LTS | linux-gke +27 | No fix yet | — |
| Ubuntu 20.04 LTS | linux-gkeop-5.15 | 5.15.0-1038.44~20.04.1 | USN-6686-1 |
| Ubuntu 20.04 LTS | linux-hwe-5.15 +1 | 5.15.0-100.110~20.04.1 | USN-6686-1 |
| Ubuntu 20.04 LTS | linux-ibm-5.15 | 5.15.0-1048.51~20.04.1 | USN-6686-1 |
| Ubuntu 20.04 LTS | linux-intel-iotg-5.15 | 5.15.0-1050.56~20.04.1 | USN-6686-5 |
| Ubuntu 20.04 LTS | linux-nvidia-tegra-5.15 | 5.15.0-1025.25~20.04.1 | — |
| Ubuntu 20.04 LTS | linux-oracle-5.15 | 5.15.0-1053.59~20.04.1 | USN-6686-3 |
| Ubuntu 20.04 LTS | linux-riscv-5.15 | 5.15.0-1051.55~20.04.1 | — |
| Ubuntu 18.04 LTS | linux-gcp +14 | No fix yet | — |
Show 14 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 | 5.15.0-1048.50 | — |
| Ubuntu Pro Realtime 22.04 LTS | linux-realtime | 5.15.0-1056.63 | — |
| 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-fips | 5.15.0-100.110+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-fips +3 | No fix yet | — |
| Ubuntu Pro FIPS-updates 18.04 LTS | linux-fips +3 | No fix yet | — |
| Ubuntu Pro FIPS-updates 16.04 LTS | linux-fips | No fix yet | — |
| Ubuntu Pro FIPS-preview 22.04 LTS | linux-fips +3 | No fix yet | — |
| Ubuntu Pro 20.04 LTS | linux +10 | No fix yet | — |
| Ubuntu Pro 18.04 LTS | linux +12 | No fix yet | — |
| Ubuntu Pro 16.04 LTS | linux +7 | No fix yet | — |
| Ubuntu Pro 14.04 LTS | linux +3 | No fix yet | — |
SUSE
Security tracker ↗| Release | Package | Fixed in | Advisory |
|---|---|---|---|
| SLES 15 SP5 | kernel-64kb +6 | 5.14.21-150500.55.28.1 | SUSE-SU-2023:3971-1 |
| SLES 15 SP5 | kernel-azure +2 | 5.14.21-150500.33.17.1 | SUSE-SU-2023:3656-1 |
| SLES 15 SP5 | kernel-default-base | 5.14.21-150500.55.28.1.150500.6.11.2 | SUSE-SU-2023:3971-1 |
| SLES 15 SP4 | kernel-64kb +6 | 5.14.21-150400.24.88.1 | SUSE-SU-2023:3969-1 |
| SLES 15 SP4 | kernel-azure +2 | 5.14.21-150400.14.66.1 | SUSE-SU-2023:3682-1 |
| SLES 15 SP4 | kernel-default-base | 5.14.21-150400.24.88.1.150400.24.40.1 | SUSE-SU-2023:3969-1 |
| SLES 15 SP3 | kernel-64kb +7 | 5.3.18-150300.59.133.1 | SUSE-SU-2023:3684-1 |
| SLES 15 SP3 | kernel-default-base | 5.3.18-150300.59.133.1.150300.18.78.1 | SUSE-SU-2023:3684-1 |
| SLES 15 SP2 | kernel-default-base | 5.3.18-150200.24.163.1.150200.9.81.1 | SUSE-SU-2023:3687-1 |
| SLES 15 SP2 | kernel-docs +5 | 5.3.18-150200.24.163.1 | SUSE-SU-2023:3687-1 |
| SLES 15 SP1 | kernel-docs +5 | 4.12.14-150100.197.157.1 | SUSE-SU-2023:3680-1 |
Show 25 more (older releases, extended support, other products)Fewer releases
| Release | Package | Fixed in | Advisory |
|---|---|---|---|
| SLES 12 SP5 | kernel-azure +2 | 4.12.14-16.149.1 | SUSE-SU-2023:3681-1 |
| SLES 12 SP5 | kernel-docs +4 | 4.12.14-122.176.1 | SUSE-SU-2023:3705-1 |
| SLES for SAP 15 SP3 | kernel-default-base | 5.3.18-150300.59.133.1.150300.18.78.1 | SUSE-SU-2023:3684-1 |
| SLES for SAP 15 SP3 | kernel-docs +5 | 5.3.18-150300.59.133.1 | SUSE-SU-2023:3684-1 |
| SLES for SAP 15 SP2 | kernel-default-base | 5.3.18-150200.24.163.1.150200.9.81.1 | SUSE-SU-2023:3687-1 |
| SLES for SAP 15 SP2 | kernel-docs +5 | 5.3.18-150200.24.163.1 | SUSE-SU-2023:3687-1 |
| SLES for SAP 15 SP1 | kernel-docs +4 | 4.12.14-150100.197.157.1 | SUSE-SU-2023:3680-1 |
| SLES for SAP 12 SP5 | kernel-azure +2 | 4.12.14-16.149.1 | SUSE-SU-2023:3681-1 |
| SLES for SAP 12 SP5 | kernel-syms +2 | 4.12.14-122.176.1 | SUSE-SU-2023:3705-1 |
| SLE Real Time 12 SP5 | kernel-rt +3 | 4.12.14-10.141.1 | SUSE-SU-2023:3601-1 |
| SLE Micro 5.5 | kernel-default | 5.14.21-150500.55.28.1 | SUSE-SU-2023:3971-1 |
| SLE Micro 5.5 | kernel-default-base | 5.14.21-150500.55.28.1.150500.6.11.2 | SUSE-SU-2023:3971-1 |
| SLE Micro 5.5 | kernel-rt | 5.14.21-150500.13.18.1 | SUSE-SU-2023:3988-1 |
| SLE Micro 5.4 | kernel-default | 5.14.21-150400.24.88.1 | SUSE-SU-2023:3969-1 |
| SLE Micro 5.4 | kernel-default-base | 5.14.21-150400.24.88.1.150400.24.40.1 | SUSE-SU-2023:3969-1 |
| SLE Micro 5.4 | kernel-rt | 5.14.21-150400.15.53.1 | SUSE-SU-2023:3964-1 |
| SLE Micro 5.3 | kernel-default | 5.14.21-150400.24.88.1 | SUSE-SU-2023:3969-1 |
| SLE Micro 5.3 | kernel-default-base | 5.14.21-150400.24.88.1.150400.24.40.1 | SUSE-SU-2023:3969-1 |
| SLE Micro 5.3 | kernel-rt | 5.14.21-150400.15.53.1 | SUSE-SU-2023:3964-1 |
| SLE Micro 5.2 | kernel-default | 5.3.18-150300.59.133.1 | SUSE-SU-2023:3684-1 |
| SLE Micro 5.2 | kernel-default-base | 5.3.18-150300.59.133.1.150300.18.78.1 | SUSE-SU-2023:3684-1 |
| SLE Micro 5.2 | kernel-rt | 5.3.18-150300.141.1 | SUSE-SU-2023:3785-1 |
| SLE Micro 5.1 | kernel-default | 5.3.18-150300.59.133.1 | SUSE-SU-2023:3684-1 |
| SLE Micro 5.1 | kernel-default-base | 5.3.18-150300.59.133.1.150300.18.78.1 | SUSE-SU-2023:3684-1 |
| SLE Micro 5.1 | kernel-rt | 5.3.18-150300.141.1 | SUSE-SU-2023:3785-1 |
| SLE Live Patching 15 SP5 | kernel-default | 5.14.21-150500.55.28.1 | SUSE-SU-2023:3971-1 |
| SLE Live Patching 15 SP5 | kernel-livepatch-SLE15-SP5-RT_Update_4 +1 | 1-150500.11.3.1 | SUSE-SU-2023:3988-1, SUSE-SU-2023:3599-2, SUSE-SU-2023:3599-1 |
| SLE Live Patching 15 SP5 | kernel-livepatch-SLE15-SP5_Update_5 | 1-150500.11.5.1 | SUSE-SU-2023:3971-1 |
| SLE Live Patching 15 SP4 | kernel-default | 5.14.21-150400.24.88.1 | SUSE-SU-2023:3969-1 |
| SLE Live Patching 15 SP4 | kernel-livepatch-SLE15-SP4-RT_Update_12 +1 | 1-150400.1.3.1 | SUSE-SU-2023:3964-1, SUSE-SU-2023:3600-2, SUSE-SU-2023:3600-1 |
| SLE Live Patching 15 SP4 | kernel-livepatch-SLE15-SP4_Update_18 | 1-150400.9.3.1 | SUSE-SU-2023:3969-1 |
| SLE Live Patching 15 SP3 | kernel-default | 5.3.18-150300.59.133.1 | SUSE-SU-2023:3684-1 |
| SLE Live Patching 15 SP3 | kernel-livepatch-SLE15-SP3_Update_36 | 1-150300.7.3.1 | SUSE-SU-2023:3684-1 |
| SLE Live Patching 15 SP2 | kernel-default | 5.3.18-150200.24.163.1 | SUSE-SU-2023:3687-1 |
| SLE Live Patching 15 SP2 | kernel-livepatch-SLE15-SP2_Update_40 | 1-150200.5.3.1 | SUSE-SU-2023:3687-1 |
| SLE Live Patching 15 SP1 | kernel-default | 4.12.14-150100.197.157.1 | SUSE-SU-2023:3680-1 |
| SLE Live Patching 15 SP1 | kernel-livepatch-SLE15-SP1_Update_44 | 1-150100.3.3.1 | SUSE-SU-2023:3680-1 |
| SLE Live Patching 12 SP5 | kernel-default | 4.12.14-122.176.1 | SUSE-SU-2023:3705-1 |
| SLE Live Patching 12 SP5 | kgraft-patch-SLE12-SP5_Update_48 | 1-8.3.1 | SUSE-SU-2023:3705-1 |
| SLE HPC 15 SP3 | kernel-64kb +6 | 5.3.18-150300.59.133.1 | SUSE-SU-2023:3684-1 |
| SLE HPC 15 SP3 | kernel-default-base | 5.3.18-150300.59.133.1.150300.18.78.1 | SUSE-SU-2023:3684-1 |
| SLE HPC 15 SP2 | kernel-default-base | 5.3.18-150200.24.163.1.150200.9.81.1 | SUSE-SU-2023:3687-1 |
| SLE HPC 15 SP2 | kernel-docs +5 | 5.3.18-150200.24.163.1 | SUSE-SU-2023:3687-1 |
| SLE HPC 15 SP1 | kernel-docs +4 | 4.12.14-150100.197.157.1 | SUSE-SU-2023:3680-1 |
| SUSE Real Time Module 15 SP5 | kernel-rt +3 | 5.14.21-150500.13.18.1 | SUSE-SU-2023:3988-1 |
| SUSE Real Time Module 15 SP4 | kernel-rt +3 | 5.14.21-150400.15.53.1 | SUSE-SU-2023:3964-1 |
| SUSE Manager Server 4.2 | kernel-default-base | 5.3.18-150300.59.133.1.150300.18.78.1 | SUSE-SU-2023:3684-1 |
| SUSE Manager Server 4.2 | kernel-source +3 | 5.3.18-150300.59.133.1 | SUSE-SU-2023:3684-1 |
| SUSE Manager Proxy 4.2 | kernel-default-base | 5.3.18-150300.59.133.1.150300.18.78.1 | SUSE-SU-2023:3684-1 |
| SUSE Manager Proxy 4.2 | kernel-source +2 | 5.3.18-150300.59.133.1 | SUSE-SU-2023:3684-1 |
| SUSE Enterprise Storage 7.1 | kernel-64kb +6 | 5.3.18-150300.59.133.1 | SUSE-SU-2023:3684-1 |
| SUSE Enterprise Storage 7.1 | kernel-default-base | 5.3.18-150300.59.133.1.150300.18.78.1 | SUSE-SU-2023:3684-1 |
openSUSE
Security tracker ↗| Release | Package | Fixed in | Advisory |
|---|---|---|---|
| openSUSE Tumbleweed | kernel-source | 6.4.12-1.1 | openSUSE-SU-2024:13704-1, openSUSE-SU-2024:13179-1 |
| openSUSE Leap 15.5 | dtb-aarch64 +10 | 5.14.21-150500.55.28.1 | SUSE-SU-2023:3971-1 |
| openSUSE Leap 15.5 | kernel-azure +2 | 5.14.21-150500.33.17.1 | SUSE-SU-2023:3656-1 |
| openSUSE Leap 15.5 | kernel-default-base | 5.14.21-150500.55.28.1.150500.6.11.2 | SUSE-SU-2023:3971-1 |
| openSUSE Leap 15.5 | kernel-rt +3 | 5.14.21-150500.13.18.1 | SUSE-SU-2023:3988-1 |
| openSUSE Leap 15.5 | kernel-vanilla | 4.12.14-150100.197.157.1 | SUSE-SU-2023:3680-1 |
| openSUSE Leap 15.4 | dtb-aarch64 | 5.3.18-150300.59.133.1 | SUSE-SU-2023:3969-1, SUSE-SU-2023:3684-1 |
| openSUSE Leap 15.4 | kernel-64kb +5 | 5.14.21-150400.24.88.1 | SUSE-SU-2023:3969-1 |
| openSUSE Leap 15.4 | kernel-azure +2 | 5.14.21-150400.14.66.1 | SUSE-SU-2023:3682-1 |
| openSUSE Leap 15.4 | kernel-debug +4 | 4.12.14-150100.197.157.1 | SUSE-SU-2023:3969-1, SUSE-SU-2023:3680-1 |
| openSUSE Leap 15.4 | kernel-default-base | 5.14.21-150400.24.88.1.150400.24.40.1 | SUSE-SU-2023:3969-1 |
| openSUSE Leap 15.4 | kernel-rt +3 | 5.14.21-150400.15.53.1 | SUSE-SU-2023:3964-1 |
Azure Linux
| Release | Package | Fixed in | Advisory |
|---|---|---|---|
| Azure Linux 2 (CBL-Mariner) | kernel | No fix yet | — |
Advisories 29
- USN-6464-1 linux, linux-aws, linux-aws-6.2, linux-azure, linux-azure-6.2, linux-azure-fde-6.2, linux-gcp, linux-gcp-6.2, linux-hwe-6.2, linux-kvm, linux-lowlatency, linux-lowlatency-hwe-6.2, linux-oracle, linux-raspi, linux-starfive vulnerabilities Ubuntu Security Notices (USN) · Nov 3, 2026
- USN-6466-1 linux-nvidia-6.2 vulnerabilities Ubuntu Security Notices (USN) · Nov 3, 2026
- USN-6520-1 linux-starfive-6.2 vulnerabilities Ubuntu Security Notices (USN) · Nov 3, 2026
- USN-6686-1 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-lowlatency-hwe-5.15, linux-nvidia 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-6686-3 linux-oracle, linux-oracle-5.15 vulnerabilities Ubuntu Security Notices (USN) · Oct 22, 2026
- USN-6686-4 linux-kvm vulnerabilities Ubuntu Security Notices (USN) · Oct 22, 2026
- USN-6686-5 linux-intel-iotg, linux-intel-iotg-5.15 vulnerabilities Ubuntu Security Notices (USN) · Oct 22, 2026
- USN-6686-2 linux-lowlatency, linux-raspi vulnerabilities Ubuntu Security Notices (USN) · Oct 22, 2026
- SUSE-SU-2023:3680-1 Security update for the Linux Kernel SUSE / openSUSE Security Updates · Feb 4, 2026
- SUSE-SU-2023:3599-1 Security update for the Linux Kernel SUSE / openSUSE Security Updates · Feb 4, 2026
- SUSE-SU-2023:3684-1 Security update for the Linux Kernel SUSE / openSUSE Security Updates · Feb 4, 2026
- openSUSE-SU-2024:13179-1 kernel-devel-6.4.12-1.1 on GA media SUSE / openSUSE Security Updates · Feb 4, 2026
- SUSE-SU-2023:3599-2 Security update for the Linux Kernel SUSE / openSUSE Security Updates · Feb 4, 2026
- SUSE-SU-2023:3969-1 Security update for the Linux Kernel SUSE / openSUSE Security Updates · Feb 4, 2026
- openSUSE-SU-2024:13704-1 kernel-devel-longterm-6.6.17-1.1 on GA media SUSE / openSUSE Security Updates · Feb 4, 2026
- SUSE-SU-2023:3601-1 Security update for the Linux Kernel SUSE / openSUSE Security Updates · Feb 4, 2026
- SUSE-SU-2023:3600-2 Security update for the Linux Kernel SUSE / openSUSE Security Updates · Feb 4, 2026
- SUSE-SU-2023:3964-1 Security update for the Linux Kernel SUSE / openSUSE Security Updates · Feb 4, 2026
- SUSE-SU-2023:3785-1 Security update for the Linux Kernel SUSE / openSUSE Security Updates · Feb 4, 2026
- SUSE-SU-2023:3600-1 Security update for the Linux Kernel SUSE / openSUSE Security Updates · Feb 4, 2026
- SUSE-SU-2023:3656-1 Security update for the Linux Kernel SUSE / openSUSE Security Updates · Feb 4, 2026
- SUSE-SU-2023:3988-1 Security update for the Linux Kernel SUSE / openSUSE Security Updates · Feb 4, 2026
- SUSE-SU-2023:3681-1 Security update for the Linux Kernel SUSE / openSUSE Security Updates · Feb 4, 2026
- SUSE-SU-2023:3971-1 Security update for the Linux Kernel SUSE / openSUSE Security Updates · Feb 4, 2026
- SUSE-SU-2023:3682-1 Security update for the Linux Kernel SUSE / openSUSE Security Updates · May 2, 2025
- SUSE-SU-2023:3687-1 Security update for the Linux Kernel SUSE / openSUSE Security Updates · May 2, 2025
- SUSE-SU-2023:3705-1 Security update for the Linux Kernel SUSE / openSUSE Security Updates · May 2, 2025
- WID-SEC-2023-2358 Linux Kernel: Schwachstelle ermöglicht Denial of Service BSI CERT-Bund (WID) · Mar 27, 2024
References
- https://access.redhat.com/security/cve/CVE-2023-4134 vdb-entry
- RHBZ#2221700 issue-tracking