Description
In the Linux kernel before 5.1.13, there is a memory leak in drivers/scsi/libsas/sas_expander.c when SAS expander discovery fails. This will cause a BUG and denial of service.
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 | 5.2.6-1 | — |
| Debian 13 | linux | 5.2.6-1 | — |
| Debian 12 | linux | 5.2.6-1 | — |
| Debian 8 | linux | 3.16.74-1 | DLA-1930-1 |
| Debian 8 | linux-4.9 | 4.9.189-3~deb8u1 | DLA-1919-1 |
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-azure | 5.0.0-1014.14~18.04.1 | — |
| Ubuntu 18.04 LTS | linux-gcp | 4.15.0-1042.45 | — |
| 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-hwe-edge | No fix yet | — |
| 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-oem-osp1 | 5.0.0-1015.16 | — |
| 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 | 4.4.0-159.187 | — |
| Ubuntu 16.04 LTS | linux-aws | 4.4.0-1090.101 | — |
| 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-kvm | 4.4.0-1054.61 | — |
| Ubuntu 16.04 LTS | linux-oracle | 4.15.0-1022.25~16.04.1 | — |
| Ubuntu 16.04 LTS | linux-raspi2 | 4.4.0-1118.127 | — |
| Ubuntu 16.04 LTS | linux-snapdragon | 4.4.0-1122.128 | — |
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 | 4.4.0-1017.22 | — |
| Ubuntu Pro 14.04 LTS | linux | No fix yet | — |
| Ubuntu Pro 14.04 LTS | linux-aws | 4.4.0-1054.58 | — |
| 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 | — |
Red Hat
Security tracker ↗| Release | Package | Fixed in | Advisory |
|---|---|---|---|
| RHEL 7 | kernel-rt +10 | 3.10.0-1160.rt56.1131.el7 | RHSA-2020:4062 |
| RHEL 7 | perf +18 | 3.10.0-1160.el7 | RHSA-2020:4060 |
SUSE
Security tracker ↗| Release | Package | Fixed in | Advisory |
|---|---|---|---|
| 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 |
| 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 |
Show 8 more (older releases, extended support, other products)Fewer releases
| Release | Package | Fixed in | Advisory |
|---|---|---|---|
| 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 |
| 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 |
Oracle Linux
| Release | Package | Fixed in | Advisory |
|---|---|---|---|
| Oracle Linux 7 | dtrace-modules-3.8.13-118.42.1.el6uek | 0.4.5-3.el6 | ELSA-2020-5511 |
| Oracle Linux 7 | dtrace-modules-3.8.13-118.42.1.el7uek | 0.4.5-3.el7 | ELSA-2020-5511 |
| Oracle Linux 7 | kernel-uek +5 | 3.8.13-118.42.1.el7uek | ELSA-2020-5511, ELSA-2020-5508 |
| Oracle Linux 7 | perf +12 | 3.10.0-1160.el7 | ELSA-2020-4060 |
Advisories 11
- RHSA-2020:4062 Red Hat Security Advisory: kernel-rt security and bug fix update Red Hat Security Advisories (RHSA) · Oct 9, 2026
- RHSA-2020:4060 Red Hat Security Advisory: kernel security, bug fix, and enhancement update Red Hat Security Advisories (RHSA) · Oct 9, 2026
- DLA-1919-1 linux-4.9 - security update Debian Security (DSA / DLA) · Mar 9, 2026
- DLA-1930-1 linux - security update Debian Security (DSA / DLA) · Mar 9, 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
- SUSE-SU-2019:2949-1 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
- ELSA-2020-4060 Important: kernel security, bug fix, and enhancement update (Oracle Linux 7) Oracle Linux Security Advisories (ELSA) · Oct 6, 2020
- ELSA-2020-5511 Important: Unbreakable Enterprise kernel security update (Oracle Linux 7) Oracle Linux Security Advisories (ELSA) · Jan 15, 2020
- ELSA-2020-5508 Important: Unbreakable Enterprise kernel security update (Oracle Linux 7) Oracle Linux Security Advisories (ELSA) · Jan 9, 2020
References
- https://cdn.kernel.org/pub/linux/kernel/v5.x/ChangeLog-5.1.13
- https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git/commit/?id=3b0541791453fbe7f42867e310e0c9eb6295364d
- [debian-lts-announce] 20190914 [SECURITY] [DLA 1919-1] linux-4.9 security update mailing-list
- [debian-lts-announce] 20190915 [SECURITY] [DLA 1919-2] linux-4.9 security update mailing-list
- [debian-lts-announce] 20190925 [SECURITY] [DLA 1930-1] linux security update mailing-list
- https://security.netapp.com/advisory/ntap-20191004-0001/
- https://support.f5.com/csp/article/K52136304?utm_source=f5support&%3Butm_medium=RSS