Description
drivers/net/wireless/intel/iwlwifi/pcie/trans.c in the Linux kernel 5.2.14 does not check the alloc_workqueue return value, leading to a NULL pointer dereference.
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 | No fix yet | — |
| Debian 13 | linux | No fix yet | — |
| Debian 12 | linux | No fix yet | — |
Ubuntu
Security tracker ↗| Release | Package | Fixed in | Advisory |
|---|---|---|---|
| Ubuntu 24.04 LTS | linux-raspi-realtime | No fix yet | — |
| Ubuntu 22.04 LTS | linux-riscv +2 | No fix yet | — |
| Ubuntu 20.04 LTS | linux-gke +2 | No fix yet | — |
| Ubuntu 18.04 LTS | linux | 4.15.0-99.100 | USN-4345-1 |
| Ubuntu 18.04 LTS | linux-aws | 4.15.0-1066.70 | USN-4345-1 |
| Ubuntu 18.04 LTS | linux-aws-5.3 | 5.3.0-1017.18~18.04.1 | — |
| Ubuntu 18.04 LTS | linux-azure-5.3 | 5.3.0-1020.21~18.04.1 | USN-4342-1 |
| Ubuntu 18.04 LTS | linux-gcp +6 | No fix yet | — |
| Ubuntu 18.04 LTS | linux-gcp-5.3 +1 | 5.3.0-1018.19~18.04.1 | USN-4342-1 |
| Ubuntu 18.04 LTS | linux-gke-4.15 | 4.15.0-1058.61 | USN-4345-1 |
| Ubuntu 18.04 LTS | linux-gke-5.0 | 5.0.0-1035.36 | USN-4344-1 |
| Ubuntu 18.04 LTS | linux-hwe | 5.3.0-51.44~18.04.2 | USN-4342-1 |
| Ubuntu 18.04 LTS | linux-kvm | 4.15.0-1059.60 | USN-4345-1 |
| Ubuntu 18.04 LTS | linux-oem | 4.15.0-1080.90 | USN-4345-1 |
| Ubuntu 18.04 LTS | linux-oem-osp1 | 5.0.0-1050.55 | USN-4344-1 |
| Ubuntu 18.04 LTS | linux-oracle | 4.15.0-1038.42 | USN-4345-1 |
| Ubuntu 18.04 LTS | linux-oracle-5.3 | 5.3.0-1016.18~18.04.1 | USN-4342-1 |
| Ubuntu 18.04 LTS | linux-raspi2 | 4.15.0-1061.65 | USN-4345-1 |
| Ubuntu 18.04 LTS | linux-raspi2-5.3 | 5.3.0-1023.25~18.04.1 | USN-4342-1 |
| Ubuntu 18.04 LTS | linux-snapdragon | 4.15.0-1077.84 | USN-4345-1 |
| Ubuntu 16.04 LTS | linux | 4.4.0-178.208 | USN-4346-1 |
| Ubuntu 16.04 LTS | linux-aws | 4.4.0-1106.117 | USN-4346-1 |
| Ubuntu 16.04 LTS | linux-aws-hwe | 4.15.0-1066.70~16.04.1 | USN-4345-1 |
| Ubuntu 16.04 LTS | linux-azure | 4.15.0-1082.92~16.04.1 | USN-4345-1 |
| Ubuntu 16.04 LTS | linux-gcp | 4.15.0-1061.65 | USN-4345-1 |
| Ubuntu 16.04 LTS | linux-hwe | 4.15.0-99.100~16.04.1 | USN-4345-1 |
| Ubuntu 16.04 LTS | linux-hwe-edge | No fix yet | — |
| Ubuntu 16.04 LTS | linux-kvm | 4.4.0-1070.77 | USN-4346-1 |
| Ubuntu 16.04 LTS | linux-oracle | 4.15.0-1038.42~16.04.1 | USN-4345-1 |
| Ubuntu 16.04 LTS | linux-raspi2 | 4.4.0-1132.141 | USN-4346-1 |
| Ubuntu 16.04 LTS | linux-snapdragon | 4.4.0-1136.144 | USN-4346-1 |
Show 5 more (older releases, extended support, other products)Fewer releases
| Release | Package | Fixed in | Advisory |
|---|---|---|---|
| Ubuntu Pro FIPS 18.04 LTS | linux-aws-fips +2 | No fix yet | — |
| Ubuntu Pro FIPS 16.04 LTS | linux-fips | No fix yet | — |
| Ubuntu Pro FIPS-updates 18.04 LTS | linux-aws-fips | 4.15.0-2018.18 | — |
| Ubuntu Pro FIPS-updates 18.04 LTS | linux-azure-fips | 4.15.0-2006.7 | — |
| Ubuntu Pro FIPS-updates 18.04 LTS | linux-fips | 4.15.0-1029.34 | — |
| Ubuntu Pro FIPS-updates 16.04 LTS | linux-fips | 4.4.0-1033.38 | — |
| Ubuntu Pro 14.04 LTS | linux-aws | 4.4.0-1066.70 | USN-4346-1 |
| Ubuntu Pro 14.04 LTS | linux-azure | 4.15.0-1082.92~14.04.1 | — |
| Ubuntu Pro 14.04 LTS | linux-lts-xenial | 4.4.0-178.208~14.04.1 | USN-4346-1 |
Red Hat
Security tracker ↗| Release | Package | Fixed in | Advisory |
|---|---|---|---|
| RHEL 8 | kernel-rt +12 | 4.18.0-193.rt13.51.el8 | RHSA-2020:1567 |
| RHEL 8 | perf +26 | 4.18.0-193.el8 | RHSA-2020:1769 |
SUSE
Security tracker ↗| Release | Package | Fixed in | Advisory |
|---|---|---|---|
| SLES 15 SP1 | kernel-azure +2 | 4.12.14-8.19.1 | SUSE-SU-2019:2952-1 |
| SLES 15 SP1 | kernel-docs +5 | 4.12.14-197.26.1 | SUSE-SU-2019:2947-1 |
| SLES 15 | kernel-azure +2 | 4.12.14-5.44.1 | SUSE-SU-2019:2951-1 |
| SLES 15 | kernel-docs +6 | 4.12.14-150.41.1 | SUSE-SU-2019:2946-1 |
| SLES 12 SP5 | kernel-azure +2 | 4.12.14-16.7.1 | SUSE-SU-2020:0093-1 |
| SLES 12 SP4 | kernel-azure +2 | 4.12.14-6.29.1 | SUSE-SU-2019:2953-1 |
| SLES 12 SP4 | kernel-docs +4 | 4.12.14-95.37.1 | SUSE-SU-2019:2879-1 |
| SLES 12 SP3 | kernel-syms +2 | 4.4.180-94.107.1 | SUSE-SU-2019:2949-1 |
| SLES 12 SP3 | kgraft-patch-SLE12-SP3_Update_29 | 1-4.3.1 | SUSE-SU-2019:2949-1 |
Show 19 more (older releases, extended support, other products)Fewer releases
| Release | Package | Fixed in | Advisory |
|---|---|---|---|
| SLES 12 SP2 | kernel-syms +2 | 4.4.121-92.125.1 | SUSE-SU-2019:2984-1 |
| SLES 12 SP2 | kgraft-patch-SLE12-SP2_Update_33 | 1-3.5.1 | SUSE-SU-2019:2984-1 |
| SLES 12 SP1 | kernel-xen +3 | 3.12.74-60.64.124.1 | SUSE-SU-2019:2950-1 |
| SLES 12 SP1 | kgraft-patch-SLE12-SP1_Update_37 | 1-2.3.1 | SUSE-SU-2019:2950-1 |
| SLES 12 | kernel-ec2 | 3.12.74-60.64.124.1 | SUSE-SU-2019:2950-1 |
| SLES 11 SP4 | kernel-ec2 +8 | 3.0.101-108.108.1 | SUSE-SU-2019:14218-1 |
| SLES 11 SP4 | ocfs2 | 1.6-0.28.11.2 | SUSE-SU-2019:14218-1 |
| SLES for SAP 12 SP5 | kernel-azure +2 | 4.12.14-16.7.1 | SUSE-SU-2020:0093-1 |
| SLES for SAP 12 SP4 | kernel-azure +2 | 4.12.14-6.29.1 | SUSE-SU-2019:2953-1 |
| SLES for SAP 12 SP4 | kernel-syms +2 | 4.12.14-95.37.1 | SUSE-SU-2019:2879-1 |
| SLES for SAP 12 SP3 | kernel-syms +2 | 4.4.180-94.107.1 | SUSE-SU-2019:2949-1 |
| SLES for SAP 12 SP3 | kgraft-patch-SLE12-SP3_Update_29 | 1-4.3.1 | SUSE-SU-2019:2949-1 |
| SLES for SAP 12 SP2 | kernel-syms +2 | 4.4.121-92.125.1 | SUSE-SU-2019:2984-1 |
| SLES for SAP 12 SP2 | kgraft-patch-SLE12-SP2_Update_33 | 1-3.5.1 | SUSE-SU-2019:2984-1 |
| SLES for SAP 12 SP1 | kernel-xen +3 | 3.12.74-60.64.124.1 | SUSE-SU-2019:2950-1 |
| SLES for SAP 12 SP1 | kgraft-patch-SLE12-SP1_Update_37 | 1-2.3.1 | SUSE-SU-2019:2950-1 |
| SLE Real Time 12 SP4 | kernel-rt +3 | 4.12.14-8.9.3 | SUSE-SU-2019:3294-1 |
| SLE Live Patching 15 SP1 | kernel-default | 4.12.14-197.26.1 | SUSE-SU-2019:2947-1 |
| SLE Live Patching 15 SP1 | kernel-livepatch-SLE15-SP1_Update_7 | 1-3.5.1 | SUSE-SU-2019:2947-1 |
| SLE Live Patching 15 | kernel-default | 4.12.14-150.41.1 | SUSE-SU-2019:2946-1 |
| SLE Live Patching 15 | kernel-livepatch-SLE15_Update_16 | 1-1.3.1 | SUSE-SU-2019:2946-1 |
| SLE Live Patching 12 SP4 | kgraft-patch-SLE12-SP4_Update_9 | 1-6.5.1 | SUSE-SU-2019:2879-1 |
| SUSE Real Time Module 15 SP1 | kernel-rt +1 | 4.12.14-14.14.3 | SUSE-SU-2019:3295-1 |
| SUSE Real Time Module 15 SP1 | kernel-syms-rt +1 | 4.12.14-14.14.2 | SUSE-SU-2019:3295-1 |
| SUSE OpenStack Cloud Crowbar 8 | kernel-syms +2 | 4.4.180-94.107.1 | SUSE-SU-2019:2949-1 |
| SUSE OpenStack Cloud Crowbar 8 | kgraft-patch-SLE12-SP3_Update_29 | 1-4.3.1 | SUSE-SU-2019:2949-1 |
| SUSE OpenStack Cloud 8 | kernel-syms +2 | 4.4.180-94.107.1 | SUSE-SU-2019:2949-1 |
| SUSE OpenStack Cloud 8 | kgraft-patch-SLE12-SP3_Update_29 | 1-4.3.1 | SUSE-SU-2019:2949-1 |
| SUSE OpenStack Cloud 7 | kernel-syms +2 | 4.4.121-92.125.1 | SUSE-SU-2019:2984-1 |
| SUSE OpenStack Cloud 7 | kgraft-patch-SLE12-SP2_Update_33 | 1-3.5.1 | SUSE-SU-2019:2984-1 |
| SUSE HPE Helion OpenStack 8 | kernel-syms +2 | 4.4.180-94.107.1 | SUSE-SU-2019:2949-1 |
| SUSE HPE Helion OpenStack 8 | kgraft-patch-SLE12-SP3_Update_29 | 1-4.3.1 | SUSE-SU-2019:2949-1 |
| SUSE Enterprise Storage 5 | kernel-syms +2 | 4.4.180-94.107.1 | SUSE-SU-2019:2949-1 |
| SUSE Enterprise Storage 5 | kgraft-patch-SLE12-SP3_Update_29 | 1-4.3.1 | SUSE-SU-2019:2949-1 |
openSUSE
Security tracker ↗| Release | Package | Fixed in | Advisory |
|---|---|---|---|
| openSUSE Tumbleweed | kernel-source | 5.14.6-1.4 | openSUSE-SU-2024:13704-1, openSUSE-SU-2024:10728-1 |
| openSUSE Leap 15.1 | kernel-docs +8 | 4.12.14-lp151.28.25.1 | openSUSE-SU-2019:2444-1 |
| openSUSE Leap 15.0 | kernel-docs +8 | 4.12.14-lp150.12.79.1 | openSUSE-SU-2019:2392-1 |
Oracle Linux
| Release | Package | Fixed in | Advisory |
|---|---|---|---|
| Oracle Linux 7 | perf +10 | 4.14.35-1902.305.4.el7uek | ELSA-2020-5804 |
Advisories 24
- RHSA-2020:1769 Red Hat Security Advisory: kernel security, bug fix, and enhancement update Red Hat Security Advisories (RHSA) · Aug 22, 2026
- RHSA-2020:1567 Red Hat Security Advisory: kernel-rt security, bug fix, and enhancement update Red Hat Security Advisories (RHSA) · Aug 7, 2026
- USN-4344-1 linux-gke-5.0, linux-oem-osp11 vulnerabilities Ubuntu Security Notices (USN) · Jun 3, 2026
- USN-4342-1 linux, linux-aws, linux-azure, linux-azure-5.3, linux-gcp, linux-gcp-5.3, linux-gke-5.3, linux-hwe, linux-kvm, linux-oracle, linux-oracle-5.3, linux-raspi2, linux-raspi2-5.3 vulnerabilities Ubuntu Security Notices (USN) · Jun 3, 2026
- USN-4346-1 linux, linux-aws, linux-kvm, linux-lts-xenial, linux-raspi2, linux-snapdragon vulnerabilities Ubuntu Security Notices (USN) · Jun 3, 2026
- USN-4345-1 linux, linux-aws, linux-aws-hwe, linux-azure, linux-gcp, linux-gke-4.15, linux-hwe, linux-kvm, linux-oem, linux-oracle, linux-raspi2, linux-snapdragon vulnerabilities Ubuntu Security Notices (USN) · Jun 3, 2026
- SUSE-SU-2019:2951-1 Security update for the Linux Kernel SUSE / openSUSE Security Updates · Feb 4, 2026
- SUSE-SU-2019:2879-1 Security update for the Linux Kernel SUSE / openSUSE Security Updates · Feb 4, 2026
- SUSE-SU-2019:2946-1 Security update for the Linux Kernel SUSE / openSUSE Security Updates · Feb 4, 2026
- SUSE-SU-2019:14218-1 Security update for the Linux Kernel SUSE / openSUSE Security Updates · Feb 4, 2026
- SUSE-SU-2019:2950-1 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-2019:3295-1 Security update for the Linux Kernel SUSE / openSUSE Security Updates · Feb 4, 2026
- SUSE-SU-2019:2949-1 Security update for the Linux Kernel SUSE / openSUSE Security Updates · Feb 4, 2026
- SUSE-SU-2019:2953-1 Security update for the Linux Kernel SUSE / openSUSE Security Updates · Feb 4, 2026
- SUSE-SU-2019:3294-1 Security update for the Linux Kernel SUSE / openSUSE Security Updates · Feb 4, 2026
- openSUSE-SU-2019:2392-1 Security update for the Linux Kernel SUSE / openSUSE Security Updates · Feb 4, 2026
- SUSE-SU-2019:2984-1 Security update for the Linux Kernel SUSE / openSUSE Security Updates · Feb 4, 2026
- SUSE-SU-2019:2952-1 Security update for the Linux Kernel SUSE / openSUSE Security Updates · Feb 4, 2026
- SUSE-SU-2019:2947-1 Security update for the Linux Kernel SUSE / openSUSE Security Updates · Feb 4, 2026
- SUSE-SU-2020:0093-1 Security update for the Linux Kernel SUSE / openSUSE Security Updates · Feb 4, 2026
- openSUSE-SU-2024:10728-1 kernel-devel-5.14.6-1.4 on GA media SUSE / openSUSE Security Updates · Feb 4, 2026
- openSUSE-SU-2019:2444-1 Security update for the Linux Kernel SUSE / openSUSE Security Updates · Feb 4, 2026
- ELSA-2020-5804 Important: Unbreakable Enterprise kernel security update (Oracle Linux 7) Oracle Linux Security Advisories (ELSA) · Aug 10, 2020
References
- https://lkml.org/lkml/2019/9/9/487
- https://security.netapp.com/advisory/ntap-20191004-0001/
- openSUSE-SU-2019:2392 vendor-advisory
- openSUSE-SU-2019:2444 vendor-advisory
- USN-4344-1 vendor-advisory
- USN-4345-1 vendor-advisory
- USN-4342-1 vendor-advisory
- USN-4346-1 vendor-advisory