Description
An issue was discovered in the Linux kernel before 4.18.7. In create_qp_common in drivers/infiniband/hw/mlx5/qp.c, mlx5_ib_create_qp_resp was never initialized, resulting in a leak of stack memory to userspace.
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 | 4.18.8-1 | — |
| Debian 13 | linux | 4.18.8-1 | — |
| Debian 12 | linux | 4.18.8-1 | — |
SUSE
Security tracker ↗| Release | Package | Fixed in | Advisory |
|---|---|---|---|
| SLES 15 SP1 | kernel-azure +2 | 4.12.14-8.13.1 | SUSE-SU-2019:2069-1 |
| SLES 15 SP1 | kernel-docs +5 | 4.12.14-197.15.1 | SUSE-SU-2019:2073-1 |
| SLES 15 | kernel-azure +2 | 4.12.14-5.38.1 | SUSE-SU-2019:2068-1 |
| SLES 15 | kernel-docs +6 | 4.12.14-150.32.1 | SUSE-SU-2019:2071-1 |
| SLES 12 SP4 | kernel-azure +2 | 4.12.14-6.23.1 | SUSE-SU-2019:2070-1 |
| SLES 12 SP4 | kernel-docs +4 | 4.12.14-95.29.1 | SUSE-SU-2019:2072-1 |
| SLES 12 SP3 | kernel-syms +2 | 4.4.180-94.103.1 | SUSE-SU-2019:2263-1 |
| SLES 12 SP3 | kgraft-patch-SLE12-SP3_Update_28 | 1-4.3.1 | SUSE-SU-2019:2263-1 |
| SLES 12 SP2 | kernel-syms +2 | 4.4.121-92.120.1 | SUSE-SU-2019:2299-1 |
| SLES 12 SP2 | kgraft-patch-SLE12-SP2_Update_32 | 1-3.3.1 | SUSE-SU-2019:2299-1 |
Show 18 more (older releases, extended support, other products)Fewer releases
| Release | Package | Fixed in | Advisory |
|---|---|---|---|
| SLES 12 SP1 | kernel-xen +3 | 3.12.74-60.64.121.1 | SUSE-SU-2019:2262-1 |
| SLES 12 SP1 | kgraft-patch-SLE12-SP1_Update_36 | 1-2.3.1 | SUSE-SU-2019:2262-1 |
| SLES 12 | kernel-ec2 | 3.12.74-60.64.121.1 | SUSE-SU-2019:2262-1 |
| SLES 11 SP4 | kernel-ec2 +8 | 3.0.101-108.101.1 | SUSE-SU-2019:14157-1 |
| SLES for SAP 12 SP4 | kernel-azure +2 | 4.12.14-6.23.1 | SUSE-SU-2019:2070-1 |
| SLES for SAP 12 SP4 | kernel-syms +2 | 4.12.14-95.29.1 | SUSE-SU-2019:2072-1 |
| SLES for SAP 12 SP3 | kernel-syms +2 | 4.4.180-94.103.1 | SUSE-SU-2019:2263-1 |
| SLES for SAP 12 SP3 | kgraft-patch-SLE12-SP3_Update_28 | 1-4.3.1 | SUSE-SU-2019:2263-1 |
| SLES for SAP 12 SP2 | kernel-syms +2 | 4.4.121-92.120.1 | SUSE-SU-2019:2299-1 |
| SLES for SAP 12 SP2 | kgraft-patch-SLE12-SP2_Update_32 | 1-3.3.1 | SUSE-SU-2019:2299-1 |
| SLES for SAP 12 SP1 | kernel-xen +3 | 3.12.74-60.64.121.1 | SUSE-SU-2019:2262-1 |
| SLES for SAP 12 SP1 | kgraft-patch-SLE12-SP1_Update_36 | 1-2.3.1 | SUSE-SU-2019:2262-1 |
| SLE Real Time 12 SP4 | kernel-rt +3 | 4.12.14-8.3.1 | SUSE-SU-2019:2450-1 |
| SLE Live Patching 15 SP1 | kernel-default | 4.12.14-197.15.1 | SUSE-SU-2019:2073-1 |
| SLE Live Patching 15 SP1 | kernel-livepatch-SLE15-SP1_Update_4 | 1-3.5.1 | SUSE-SU-2019:2073-1 |
| SLE Live Patching 15 | kernel-default | 4.12.14-150.32.1 | SUSE-SU-2019:2071-1 |
| SLE Live Patching 15 | kernel-livepatch-SLE15_Update_13 | 1-1.5.1 | SUSE-SU-2019:2071-1 |
| SLE Live Patching 12 SP4 | kgraft-patch-SLE12-SP4_Update_7 | 1-6.5.1 | SUSE-SU-2019:2072-1 |
| SUSE Real Time Module 15 SP1 | kernel-rt +3 | 4.12.14-14.8.1 | SUSE-SU-2019:2430-1 |
| SUSE OpenStack Cloud Crowbar 8 | kernel-syms +2 | 4.4.180-94.103.1 | SUSE-SU-2019:2263-1 |
| SUSE OpenStack Cloud Crowbar 8 | kgraft-patch-SLE12-SP3_Update_28 | 1-4.3.1 | SUSE-SU-2019:2263-1 |
| SUSE OpenStack Cloud 8 | kernel-syms +2 | 4.4.180-94.103.1 | SUSE-SU-2019:2263-1 |
| SUSE OpenStack Cloud 8 | kgraft-patch-SLE12-SP3_Update_28 | 1-4.3.1 | SUSE-SU-2019:2263-1 |
| SUSE OpenStack Cloud 7 | kernel-syms +2 | 4.4.121-92.120.1 | SUSE-SU-2019:2299-1 |
| SUSE OpenStack Cloud 7 | kgraft-patch-SLE12-SP2_Update_32 | 1-3.3.1 | SUSE-SU-2019:2299-1 |
| SUSE HPE Helion OpenStack 8 | kernel-syms +2 | 4.4.180-94.103.1 | SUSE-SU-2019:2263-1 |
| SUSE HPE Helion OpenStack 8 | kgraft-patch-SLE12-SP3_Update_28 | 1-4.3.1 | SUSE-SU-2019:2263-1 |
| SUSE Enterprise Storage 5 | kernel-syms +2 | 4.4.180-94.103.1 | SUSE-SU-2019:2263-1 |
| SUSE Enterprise Storage 5 | kgraft-patch-SLE12-SP3_Update_28 | 1-4.3.1 | SUSE-SU-2019:2263-1 |
| SUSE Enterprise Storage 4 | kernel-syms +2 | 4.4.121-92.120.1 | SUSE-SU-2019:2299-1 |
| SUSE Enterprise Storage 4 | kgraft-patch-SLE12-SP2_Update_32 | 1-3.3.1 | SUSE-SU-2019:2299-1 |
openSUSE
Security tracker ↗| Release | Package | Fixed in | Advisory |
|---|---|---|---|
| openSUSE Leap 15.1 | kernel-docs +8 | 4.12.14-lp151.28.13.1 | openSUSE-SU-2019:1923-1 |
| openSUSE Leap 15.0 | kernel-docs +8 | 4.12.14-lp150.12.70.1 | openSUSE-SU-2019:1924-1 |
Oracle Linux
| Release | Package | Fixed in | Advisory |
|---|---|---|---|
| Oracle Linux 7 | perf +10 | 4.14.35-1902.6.6.el7uek | ELSA-2019-4820 |
Advisories 15
- SUSE-SU-2019:2263-1 Security update for the Linux Kernel SUSE / openSUSE Security Updates · Feb 4, 2026
- SUSE-SU-2019:2071-1 Security update for the Linux Kernel SUSE / openSUSE Security Updates · Feb 4, 2026
- openSUSE-SU-2019:1924-1 Security update for the Linux Kernel SUSE / openSUSE Security Updates · Feb 4, 2026
- SUSE-SU-2019:2450-1 Security update for the Linux Kernel SUSE / openSUSE Security Updates · Feb 4, 2026
- SUSE-SU-2019:2299-1 Security update for the Linux Kernel SUSE / openSUSE Security Updates · Feb 4, 2026
- openSUSE-SU-2019:1923-1 Security update for the Linux Kernel SUSE / openSUSE Security Updates · Feb 4, 2026
- SUSE-SU-2019:2262-1 Security update for the Linux Kernel SUSE / openSUSE Security Updates · Feb 4, 2026
- SUSE-SU-2019:2073-1 Security update for the Linux Kernel SUSE / openSUSE Security Updates · Feb 4, 2026
- SUSE-SU-2019:2070-1 Security update for the Linux Kernel SUSE / openSUSE Security Updates · Feb 4, 2026
- SUSE-SU-2019:2069-1 Security update for the Linux Kernel for Azure SUSE / openSUSE Security Updates · Feb 4, 2026
- SUSE-SU-2019:2068-1 Security update for the Linux Azure Kernel SUSE / openSUSE Security Updates · Feb 4, 2026
- SUSE-SU-2019:2072-1 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-2019:14157-1 Security update for the Linux Kernel SUSE / openSUSE Security Updates · Feb 4, 2026
- ELSA-2019-4820 Important: Unbreakable Enterprise kernel security update (Oracle Linux 7) Oracle Linux Security Advisories (ELSA) · Oct 11, 2019
References
- https://github.com/torvalds/linux/commit/0625b4ba1a5d4703c7fb01c497bd6c156908af00
- https://git.kernel.org/cgit/linux/kernel/git/torvalds/linux.git/commit/?id=0625b4ba1a5d4703c7fb01c497bd6c156908af00
- https://cdn.kernel.org/pub/linux/kernel/v4.x/ChangeLog-4.18.7
- openSUSE-SU-2019:1924 vendor-advisory
- openSUSE-SU-2019:1923 vendor-advisory
- https://security.netapp.com/advisory/ntap-20190905-0002/