Description
An issue was discovered in the Linux kernel before 5.0.6. In rx_queue_add_kobject() and netdev_queue_add_kobject() in net/core/net-sysfs.c, a reference count is mishandled, aka CID-a3e23f719f5c.
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 | 4.19.37-1 | — |
| Debian 13 | linux | 4.19.37-1 | — |
| Debian 12 | linux | 4.19.37-1 | — |
| Debian 9 | linux | 4.9.210-1+deb9u1 | DSA-4698-1 |
| Debian 8 | linux-4.9 | 4.9.210-1+deb9u1~deb8u1 | DLA-2242-1 |
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 | 4.15.0-60.67 | — |
| Ubuntu 18.04 LTS | linux-aws | 4.15.0-1047.49 | — |
| Ubuntu 18.04 LTS | linux-gcp +5 | No fix yet | — |
| Ubuntu 18.04 LTS | linux-gke-4.15 | 4.15.0-1041.43 | — |
| Ubuntu 18.04 LTS | linux-hwe | 5.0.0-23.24~18.04.1 | — |
| Ubuntu 18.04 LTS | linux-kvm | 4.15.0-1043.43 | — |
| Ubuntu 18.04 LTS | linux-oem | 4.15.0-1056.65 | — |
| Ubuntu 18.04 LTS | linux-oracle | 4.15.0-1022.25 | — |
| Ubuntu 18.04 LTS | linux-raspi2 | 4.15.0-1044.47 | — |
| Ubuntu 18.04 LTS | linux-snapdragon | 4.15.0-1062.69 | — |
| Ubuntu 16.04 LTS | linux | 4.4.0-190.220 | USN-4527-1 |
| Ubuntu 16.04 LTS | linux-aws | 4.4.0-1114.127 | USN-4527-1 |
| Ubuntu 16.04 LTS | linux-aws-hwe | 4.15.0-1047.49~16.04.1 | — |
| Ubuntu 16.04 LTS | linux-azure | 4.15.0-1056.61 | — |
| Ubuntu 16.04 LTS | linux-gcp | 4.15.0-1041.43 | — |
| Ubuntu 16.04 LTS | linux-hwe | 4.15.0-60.67~16.04.1 | — |
| Ubuntu 16.04 LTS | linux-hwe-edge | No fix yet | — |
| Ubuntu 16.04 LTS | linux-kvm | 4.4.0-1080.87 | USN-4527-1 |
| Ubuntu 16.04 LTS | linux-oracle | 4.15.0-1022.25~16.04.1 | — |
| Ubuntu 16.04 LTS | linux-raspi2 | 4.4.0-1139.148 | USN-4527-1 |
| Ubuntu 16.04 LTS | linux-snapdragon | 4.4.0-1143.152 | USN-4527-1 |
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 16.04 LTS | linux-fips | 4.4.0-1046.51 | — |
| Ubuntu Pro 14.04 LTS | linux | No fix yet | — |
| Ubuntu Pro 14.04 LTS | linux-aws | 4.4.0-1078.82 | USN-4527-1 |
| Ubuntu Pro 14.04 LTS | linux-azure | 4.15.0-1059.64~14.04.1 | — |
| Ubuntu Pro 14.04 LTS | linux-lts-xenial | 4.4.0-190.220~14.04.1 | USN-4527-1 |
Red Hat
Security tracker ↗| Release | Package | Fixed in | Advisory |
|---|---|---|---|
| RHEL 8 | perf +26 | 4.18.0-147.el8 | RHSA-2019:3517 |
| RHEL 7 | kernel-rt +10 | 3.10.0-1160.6.1.rt56.1139.el7 | RHSA-2020:5026 |
| RHEL 7 | perf +18 | 3.10.0-1160.6.1.el7 | RHSA-2020:5023 |
SUSE
Security tracker ↗| Release | Package | Fixed in | Advisory |
|---|---|---|---|
| SLES 15 SP1 | kernel-docs +5 | 4.12.14-150100.197.114.2 | SUSE-SU-2022:2111-1 |
| SLES 15 | kernel-docs +6 | 4.12.14-150000.150.92.2 | SUSE-SU-2022:2103-1 |
| SLES 12 SP5 | kernel-azure +2 | 4.12.14-16.97.1 | SUSE-SU-2022:1651-1 |
| SLES 12 SP5 | kernel-docs +3 | 4.12.14-122.121.2 | SUSE-SU-2022:1686-1 |
| SLES 12 SP5 | kernel-obs-build | 4.12.14-122.121.1 | SUSE-SU-2022:1686-1 |
| SLES 12 SP4 | kernel-default | 4.12.14-95.99.3 | SUSE-SU-2022:2083-1 |
| SLES 12 SP4 | kernel-syms +1 | 4.12.14-95.99.2 | SUSE-SU-2022:2083-1 |
Show 14 more (older releases, extended support, other products)Fewer releases
| Release | Package | Fixed in | Advisory |
|---|---|---|---|
| SLES for SAP 15 SP1 | kernel-docs +4 | 4.12.14-150100.197.114.2 | SUSE-SU-2022:2111-1 |
| SLES for SAP 15 | kernel-docs +5 | 4.12.14-150000.150.92.2 | SUSE-SU-2022:2103-1 |
| SLES for SAP 12 SP5 | kernel-azure +2 | 4.12.14-16.97.1 | SUSE-SU-2022:1651-1 |
| SLES for SAP 12 SP5 | kernel-syms +2 | 4.12.14-122.121.2 | SUSE-SU-2022:1686-1 |
| SLES for SAP 12 SP4 | kernel-default | 4.12.14-95.99.3 | SUSE-SU-2022:2083-1 |
| SLES for SAP 12 SP4 | kernel-syms +1 | 4.12.14-95.99.2 | SUSE-SU-2022:2083-1 |
| SLE Real Time 12 SP5 | kernel-rt +3 | 4.12.14-10.89.1 | SUSE-SU-2022:1668-1 |
| SLE Live Patching 15 SP1 | kernel-default | 4.12.14-150100.197.114.2 | SUSE-SU-2022:2111-1 |
| SLE Live Patching 15 SP1 | kernel-livepatch-SLE15-SP1_Update_31 | 1-150100.3.3.2 | SUSE-SU-2022:2111-1 |
| SLE Live Patching 15 | kernel-default | 4.12.14-150000.150.92.2 | SUSE-SU-2022:2103-1 |
| SLE Live Patching 15 | kernel-livepatch-SLE15_Update_30 | 1-150000.1.3.2 | SUSE-SU-2022:2103-1 |
| SLE Live Patching 12 SP5 | kernel-default | 4.12.14-122.121.2 | SUSE-SU-2022:1686-1 |
| SLE Live Patching 12 SP5 | kgraft-patch-SLE12-SP5_Update_31 | 1-8.5.2 | SUSE-SU-2022:1686-1 |
| SLE Live Patching 12 SP4 | kernel-default | 4.12.14-95.99.3 | SUSE-SU-2022:2083-1 |
| SLE Live Patching 12 SP4 | kgraft-patch-SLE12-SP4_Update_27 | 1-6.3.3 | SUSE-SU-2022:2083-1 |
| SLE HPC 15 SP1 | kernel-docs +4 | 4.12.14-150100.197.114.2 | SUSE-SU-2022:2111-1 |
| SLE HPC 15 | kernel-docs +5 | 4.12.14-150000.150.92.2 | SUSE-SU-2022:2103-1 |
| SUSE OpenStack Cloud Crowbar 9 | kernel-default | 4.12.14-95.99.3 | SUSE-SU-2022:2083-1 |
| SUSE OpenStack Cloud Crowbar 9 | kernel-syms +1 | 4.12.14-95.99.2 | SUSE-SU-2022:2083-1 |
| SUSE OpenStack Cloud 9 | kernel-default | 4.12.14-95.99.3 | SUSE-SU-2022:2083-1 |
| SUSE OpenStack Cloud 9 | kernel-syms +1 | 4.12.14-95.99.2 | SUSE-SU-2022:2083-1 |
| SUSE Enterprise Storage 6 | kernel-docs +4 | 4.12.14-150100.197.114.2 | SUSE-SU-2022:2111-1 |
openSUSE
Security tracker ↗| Release | Package | Fixed in | Advisory |
|---|---|---|---|
| openSUSE Leap 15.4 | kernel-debug +4 | 4.12.14-150100.197.114.2 | SUSE-SU-2022:2111-1 |
| openSUSE Leap 15.3 | kernel-debug +4 | 4.12.14-150100.197.114.2 | SUSE-SU-2022:2111-1 |
Oracle Linux
| Release | Package | Fixed in | Advisory |
|---|---|---|---|
| Oracle Linux 7 | kernel-uek +5 | 4.1.12-124.42.3.el7uek | ELSA-2020-5837, ELSA-2020-5804 |
| Oracle Linux 7 | kernel-uek-tools +3 | 4.14.35-1902.305.4.el7uek | ELSA-2020-5804 |
| Oracle Linux 7 | perf +12 | 3.10.0-1160.6.1.el7 | ELSA-2020-5804, ELSA-2020-5023 |
Advisories 15
- RHSA-2019:3517 Red Hat Security Advisory: kernel security, bug fix, and enhancement update Red Hat Security Advisories (RHSA) · Aug 5, 2026
- RHSA-2020:5026 Red Hat Security Advisory: kernel-rt security and bug fix update Red Hat Security Advisories (RHSA) · Jun 29, 2026
- RHSA-2020:5023 Red Hat Security Advisory: kernel security and bug fix update Red Hat Security Advisories (RHSA) · Jun 29, 2026
- USN-4527-1 linux, linux-aws, linux-kvm, linux-lts-xenial, linux-raspi2, linux-snapdragon vulnerabilities Ubuntu Security Notices (USN) · Jun 3, 2026
- DSA-4698-1 linux - security update Debian Security (DSA / DLA) · Mar 9, 2026
- DLA-2242-1 linux-4.9 - security update Debian Security (DSA / DLA) · Mar 9, 2026
- SUSE-SU-2022:2111-1 Security update for the Linux Kernel SUSE / openSUSE Security Updates · Feb 4, 2026
- SUSE-SU-2022:2103-1 Security update for the Linux Kernel SUSE / openSUSE Security Updates · Feb 4, 2026
- SUSE-SU-2022:1686-1 Security update for the Linux Kernel SUSE / openSUSE Security Updates · Feb 4, 2026
- SUSE-SU-2022:2083-1 Security update for the Linux Kernel SUSE / openSUSE Security Updates · Feb 4, 2026
- SUSE-SU-2022:1668-1 Security update for the Linux Kernel SUSE / openSUSE Security Updates · Feb 4, 2026
- SUSE-SU-2022:1651-1 Security update for the Linux Kernel SUSE / openSUSE Security Updates · Feb 4, 2026
- ELSA-2020-5023 Moderate: kernel security and bug fix update (Oracle Linux 7) Oracle Linux Security Advisories (ELSA) · Nov 11, 2020
- ELSA-2020-5837 Important: Unbreakable Enterprise kernel security update (Oracle Linux 7) Oracle Linux Security Advisories (ELSA) · Sep 3, 2020
- ELSA-2020-5804 Important: Unbreakable Enterprise kernel security update (Oracle Linux 7) Oracle Linux Security Advisories (ELSA) · Aug 10, 2020
References
- https://cdn.kernel.org/pub/linux/kernel/v5.x/ChangeLog-5.0.6
- https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git/commit/?id=a3e23f719f5c4a38ffb3d30c8d7632a4ed8ccd9e
- [debian-lts-announce] 20200610 [SECURITY] [DLA 2242-1] linux-4.9 security update mailing-list
- DSA-4698 vendor-advisory
- USN-4527-1 vendor-advisory