Description
An issue was discovered in rds_tcp_kill_sock in net/rds/tcp.c in the Linux kernel before 5.0.8. There is a race condition leading to a use-after-free, related to net namespace cleanup.
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 | 4.9.168-1+deb9u3 | DSA-4465-1 |
| Debian 8 | linux-4.9 | 4.9.168-1+deb9u3~deb8u1 | DLA-1824-1 |
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 +3 | No fix yet | — |
| Ubuntu 18.04 LTS | linux | 4.15.0-55.60 | USN-4068-1 |
| Ubuntu 18.04 LTS | linux-aws | 4.15.0-1047.49 | USN-4118-1, USN-4068-1 |
| Ubuntu 18.04 LTS | linux-azure | 4.18.0-1025.27~18.04.1 | — |
| Ubuntu 18.04 LTS | linux-gcp +1 | 4.15.0-1037.39 | USN-4068-1 |
| Ubuntu 18.04 LTS | linux-hwe | 5.0.0-23.24~18.04.1 | — |
| Ubuntu 18.04 LTS | linux-hwe-edge | 5.0.0-16.17~18.04.1 | — |
| Ubuntu 18.04 LTS | linux-kvm | 4.15.0-1039.39 | USN-4068-1 |
| Ubuntu 18.04 LTS | linux-oem | 4.15.0-1050.57 | — |
| Ubuntu 18.04 LTS | linux-oracle | 4.15.0-1018.20 | USN-4068-1 |
| Ubuntu 18.04 LTS | linux-raspi2 | 4.15.0-1041.44 | USN-4068-1 |
| Ubuntu 18.04 LTS | linux-snapdragon | 4.15.0-1058.64 | USN-4068-1 |
| Ubuntu 16.04 LTS | linux | 4.4.0-150.176 | USN-4008-1 |
| Ubuntu 16.04 LTS | linux-aws | 4.4.0-1084.94 | USN-4008-1 |
| Ubuntu 16.04 LTS | linux-aws-hwe | 4.15.0-1047.49~16.04.1 | USN-4118-1 |
| Ubuntu 16.04 LTS | linux-azure | 4.15.0-1051.56 | — |
| Ubuntu 16.04 LTS | linux-gcp | 4.15.0-1037.39~16.04.1 | USN-4068-2 |
| Ubuntu 16.04 LTS | linux-hwe | 4.15.0-55.60~16.04.2 | USN-4068-2 |
| Ubuntu 16.04 LTS | linux-kvm | 4.4.0-1047.53 | USN-4008-1 |
| Ubuntu 16.04 LTS | linux-oracle | 4.15.0-1018.20~16.04.1 | — |
| Ubuntu 16.04 LTS | linux-raspi2 | 4.4.0-1110.118 | USN-4008-1 |
| Ubuntu 16.04 LTS | linux-snapdragon | 4.4.0-1114.119 | USN-4008-1 |
Show 4 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-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 | 4.4.0-1011.14 | — |
| Ubuntu Pro 14.04 LTS | linux-aws | 4.4.0-1054.58 | USN-4008-3 |
| Ubuntu Pro 14.04 LTS | linux-azure | 4.15.0-1059.64~14.04.1 | — |
| Ubuntu Pro 14.04 LTS | linux-lts-xenial | 4.4.0-164.192~14.04.1 | USN-4008-3 |
SUSE
Security tracker ↗| Release | Package | Fixed in | Advisory |
|---|---|---|---|
| SLES 15 SP1 | kernel-docs +5 | 4.12.14-197.4.1 | SUSE-SU-2019:1550-1 |
| SLES 15 | kernel-azure +2 | 4.12.14-5.30.1 | SUSE-SU-2019:1535-1 |
| SLES 15 | kernel-docs +6 | 4.12.14-150.22.1 | SUSE-SU-2019:1529-1 |
| SLES 12 SP4 | kernel-azure +2 | 4.12.14-6.15.2 | SUSE-SU-2019:1536-1 |
| SLES 12 SP4 | kernel-docs +4 | 4.12.14-95.19.1 | SUSE-SU-2019:1530-1 |
| SLES 12 SP3 | kernel-azure +2 | 4.4.180-4.31.1 | SUSE-SU-2019:1527-1 |
| SLES 12 SP3 | kernel-docs +4 | 4.4.180-94.97.1 | SUSE-SU-2019:1532-1 |
| SLES 12 SP2 | kernel-syms +2 | 4.4.121-92.114.1 | SUSE-SU-2019:1534-1 |
| SLES 12 SP2 | kgraft-patch-SLE12-SP2_Update_30 | 1-3.5.1 | SUSE-SU-2019:1534-1 |
Show 10 more (older releases, extended support, other products)Fewer releases
| Release | Package | Fixed in | Advisory |
|---|---|---|---|
| SLES for SAP 12 SP4 | kernel-azure +2 | 4.12.14-6.15.2 | SUSE-SU-2019:1536-1 |
| SLES for SAP 12 SP4 | kernel-syms +2 | 4.12.14-95.19.1 | SUSE-SU-2019:1530-1 |
| SLES for SAP 12 SP3 | kernel-azure +2 | 4.4.180-4.31.1 | SUSE-SU-2019:1527-1 |
| SLES for SAP 12 SP3 | kernel-syms +2 | 4.4.180-94.97.1 | SUSE-SU-2019:1532-1 |
| SLES for SAP 12 SP2 | kernel-syms +2 | 4.4.121-92.114.1 | SUSE-SU-2019:1534-1 |
| SLES for SAP 12 SP2 | kgraft-patch-SLE12-SP2_Update_30 | 1-3.5.1 | SUSE-SU-2019:1534-1 |
| SLE Live Patching 15 SP1 | kernel-default | 4.12.14-197.4.1 | SUSE-SU-2019:1550-1 |
| SLE Live Patching 15 SP1 | kernel-livepatch-SLE15-SP1_Update_1 | 1-3.3.1 | SUSE-SU-2019:1550-1 |
| SLE Live Patching 15 | kernel-default | 4.12.14-150.22.1 | SUSE-SU-2019:1529-1 |
| SLE Live Patching 15 | kernel-livepatch-SLE15_Update_11 | 1-1.5.1 | SUSE-SU-2019:1529-1 |
| SLE Live Patching 12 SP4 | kgraft-patch-SLE12-SP4_Update_5 | 1-6.3.1 | SUSE-SU-2019:1530-1 |
| SLE Live Patching 12 SP3 | kgraft-patch-SLE12-SP3_Update_26 | 1-4.3.3 | SUSE-SU-2019:1532-1 |
| SUSE Real Time Module 15 SP1 | kernel-rt +3 | 4.12.14-14.8.1 | SUSE-SU-2019:2430-1 |
| SUSE OpenStack Cloud 7 | kernel-syms +2 | 4.4.121-92.114.1 | SUSE-SU-2019:1534-1 |
| SUSE OpenStack Cloud 7 | kgraft-patch-SLE12-SP2_Update_30 | 1-3.5.1 | SUSE-SU-2019:1534-1 |
| SUSE Enterprise Storage 4 | kernel-syms +2 | 4.4.121-92.114.1 | SUSE-SU-2019:1534-1 |
| SUSE Enterprise Storage 4 | kgraft-patch-SLE12-SP2_Update_30 | 1-3.5.1 | SUSE-SU-2019:1534-1 |
openSUSE
Security tracker ↗| Release | Package | Fixed in | Advisory |
|---|---|---|---|
| openSUSE Leap 15.1 | kernel-docs +8 | 4.12.14-lp151.28.4.1 | openSUSE-SU-2019:1479-1 |
| openSUSE Leap 15.0 | kernel-docs +8 | 4.12.14-lp150.12.61.1 | openSUSE-SU-2019:1404-1 |
Amazon Linux
| Release | Package | Fixed in | Advisory |
|---|---|---|---|
| Amazon Linux 2 | perf +8 | 4.14.114-105.126.amzn2 | ALAS2-2019-1205 |
Oracle Linux
| Release | Package | Fixed in | Advisory |
|---|---|---|---|
| Oracle Linux 9 | kernel-uek +34 | 6.12.0-101.33.4.3.el10uek | ELSA-2025-20530, ELSA-2025-20480 |
| Oracle Linux 7 | kernel-uek +5 | 4.1.12-124.28.1.el7uek | ELSA-2019-4685, ELSA-2019-4670 |
| Oracle Linux 7 | perf +5 | 4.14.35-1902.2.0.el7uek | ELSA-2019-4685 |
Advisories 24
- USN-4068-1 linux, linux-aws, linux-gcp, linux-kvm, linux-oracle, linux-raspi2, linux-snapdragon vulnerabilities Ubuntu Security Notices (USN) · Sep 7, 2026
- USN-4008-1 linux, linux-aws, linux-kvm, linux-raspi2, linux-snapdragon vulnerabilities Ubuntu Security Notices (USN) · Sep 7, 2026
- USN-4118-1 linux-aws vulnerabilities Ubuntu Security Notices (USN) · Sep 7, 2026
- USN-4068-2 linux-hwe, linux-gcp vulnerabilities Ubuntu Security Notices (USN) · Sep 7, 2026
- USN-4008-3 linux-lts-xenial, linux-aws vulnerabilities Ubuntu Security Notices (USN) · Jun 3, 2026
- DSA-4465-1 linux - security update Debian Security (DSA / DLA) · Mar 9, 2026
- DLA-1824-1 linux-4.9 - security update Debian Security (DSA / DLA) · Mar 9, 2026
- SUSE-SU-2019:1534-1 Security update for the Linux Kernel SUSE / openSUSE Security Updates · Feb 4, 2026
- SUSE-SU-2019:1536-1 Security update for the Linux Kernel SUSE / openSUSE Security Updates · Feb 4, 2026
- SUSE-SU-2019:1532-1 Security update for the Linux Kernel SUSE / openSUSE Security Updates · Feb 4, 2026
- SUSE-SU-2019:1535-1 Security update for the Linux Kernel SUSE / openSUSE Security Updates · Feb 4, 2026
- SUSE-SU-2019:1527-1 Security update for the Linux Kernel SUSE / openSUSE Security Updates · Feb 4, 2026
- openSUSE-SU-2019:1479-1 Security update for the Linux Kernel SUSE / openSUSE Security Updates · Feb 4, 2026
- SUSE-SU-2019:1550-1 Security update for the Linux Kernel SUSE / openSUSE Security Updates · Feb 4, 2026
- SUSE-SU-2019:1529-1 Security update for the Linux Kernel SUSE / openSUSE Security Updates · Feb 4, 2026
- SUSE-SU-2019:2430-1 Security update for kernel-source-rt SUSE / openSUSE Security Updates · Feb 4, 2026
- SUSE-SU-2019:1530-1 Security update for the Linux Kernel SUSE / openSUSE Security Updates · Feb 4, 2026
- openSUSE-SU-2019:1404-1 Security update for the Linux Kernel SUSE / openSUSE Security Updates · Feb 4, 2026
- ELSA-2025-20530 Important: Unbreakable Enterprise kernel security update (Oracle Linux 9) Oracle Linux Security Advisories (ELSA) · Aug 18, 2025
- ALAS2-2019-1205 Important: kernel security update (Amazon Linux 2) Amazon Linux Security Center (ALAS) · Aug 7, 2025
- WID-SEC-2025-1603 Linux Kernel: Schwachstelle ermöglicht nicht spezifizierten Angriff BSI CERT-Bund (WID) · Jul 20, 2025
- ELSA-2025-20480 Important: Unbreakable Enterprise kernel security update (Oracle Linux 9) Oracle Linux Security Advisories (ELSA) · Jul 17, 2025
- ELSA-2019-4685 Important: Unbreakable Enterprise kernel security update (Oracle Linux 7) Oracle Linux Security Advisories (ELSA) · Jun 17, 2019
- ELSA-2019-4670 Important: Unbreakable Enterprise kernel security update (Oracle Linux 7) Oracle Linux Security Advisories (ELSA) · Jun 4, 2019
References
- https://cdn.kernel.org/pub/linux/kernel/v5.x/ChangeLog-5.0.8
- https://github.com/torvalds/linux/commit/cb66ddd156203daefb8d71158036b27b0e2caf63
- https://git.kernel.org/cgit/linux/kernel/git/torvalds/linux.git/commit/?id=cb66ddd156203daefb8d71158036b27b0e2caf63
- 108283 vdb-entry
- openSUSE-SU-2019:1404 vendor-advisory
- openSUSE-SU-2019:1407 vendor-advisory
- https://support.f5.com/csp/article/K32019083
- openSUSE-SU-2019:1479 vendor-advisory
- USN-4008-1 vendor-advisory
- USN-4005-1 vendor-advisory
- USN-4008-3 vendor-advisory
- DSA-4465 vendor-advisory
- [debian-lts-announce] 20190618 [SECURITY] [DLA 1824-1] linux-4.9 security update mailing-list
- 20190618 [SECURITY] [DSA 4465-1] linux security update mailing-list
- https://security.netapp.com/advisory/ntap-20190719-0003/
- USN-4068-1 vendor-advisory
- USN-4068-2 vendor-advisory
- http://packetstormsecurity.com/files/153799/Kernel-Live-Patch-Security-Notice-LSN-0053-1.html
- USN-4118-1 vendor-advisory