Description
The Linux kernel 4.15 has a Buffer Overflow via an SNDRV_SEQ_IOCTL_SET_CLIENT_POOL ioctl write operation to /dev/snd/seq by a local user.
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 | 4.15.11-1 | — |
| Debian 13 | linux | 4.15.11-1 | — |
| Debian 12 | linux | 4.15.11-1 | — |
| Debian 9 | linux | 4.9.88-1 | DSA-4188-1 |
| Debian 8 | linux | 3.16.56-1 | DSA-4187-1 |
Show 1 more (older releases, extended support, other products)Fewer releases
| Release | Package | Fixed in | Advisory |
|---|---|---|---|
| Debian 7 | linux | 3.2.101-1 | DLA-1369-1 |
Ubuntu
Security tracker ↗| Release | Package | Fixed in | Advisory |
|---|---|---|---|
| Ubuntu 24.04 LTS | linux-gcp-6.11 +4 | No fix yet | — |
| Ubuntu 22.04 LTS | linux-riscv +2 | No fix yet | — |
| Ubuntu 20.04 LTS | linux-gke +3 | No fix yet | — |
| Ubuntu 16.04 LTS | linux | 4.4.0-127.153 | USN-3631-1 |
| Ubuntu 16.04 LTS | linux-aws | 4.4.0-1060.69 | USN-3631-1 |
| Ubuntu 16.04 LTS | linux-azure | 4.15.0-1013.13~16.04.2 | — |
| Ubuntu 16.04 LTS | linux-gcp | 4.15.0-1014.14~16.04.1 | — |
| Ubuntu 16.04 LTS | linux-hwe | 4.15.0-24.26~16.04.1 | — |
| Ubuntu 16.04 LTS | linux-kvm | 4.4.0-1026.31 | USN-3631-1 |
| Ubuntu 16.04 LTS | linux-raspi2 | 4.4.0-1090.98 | USN-3631-1 |
| Ubuntu 16.04 LTS | linux-snapdragon | 4.4.0-1093.98 | USN-3631-1 |
| Ubuntu 14.04 LTS | linux | 3.13.0-161.211 | USN-3798-1 |
| Ubuntu 14.04 LTS | linux-aws | 4.4.0-1022.22 | USN-3631-2 |
| Ubuntu 14.04 LTS | linux-lts-xenial | 4.4.0-127.153~14.04.1 | USN-3631-2 |
Show 2 more (older releases, extended support, other products)Fewer releases
| Release | Package | Fixed in | Advisory |
|---|---|---|---|
| Ubuntu Pro FIPS-updates 16.04 LTS | linux-fips | 4.4.0-1008.10 | — |
| Ubuntu Pro 20.04 LTS | linux-azure-fde-5.15 | No fix yet | — |
Red Hat
Security tracker ↗| Release | Package | Fixed in | Advisory |
|---|---|---|---|
| RHEL 7 | kernel-alt | 4.14.0-115.el7a | RHSA-2018:2948 |
| RHEL 7 | kernel-rt +10 | 3.10.0-862.11.6.rt56.819.el7 | RHSA-2018:2395 |
| RHEL 7 | perf +18 | 3.10.0-862.11.6.el7 | RHSA-2018:2948, RHSA-2018:2384 |
| RHEL 6 | perf +16 | 2.6.32-754.3.5.el6 | RHSA-2018:2390 |
Show 2 more (older releases, extended support, other products)Fewer releases
| Release | Package | Fixed in | Advisory |
|---|---|---|---|
| RHEL 7.4 EUS | perf +17 | 3.10.0-693.50.3.el7 | RHSA-2019:1483 |
| Red Hat MRG 2 | kernel-rt +10 | 1:3.10.0-693.50.3.rt56.644.el6rt | RHSA-2019:1487 |
SUSE
Security tracker ↗| Release | Package | Fixed in | Advisory |
|---|---|---|---|
| SLES 12 SP2 | kgraft-patch-SLE12-SP2_Update_11 +1 | 8-2.2 | SUSE-SU-2018:1023-1, SUSE-SU-2018:0993-1 |
| SLES 12 SP2 | kgraft-patch-SLE12-SP2_Update_13 | 7-2.2 | SUSE-SU-2018:1007-1 |
| SLES 12 SP2 | kgraft-patch-SLE12-SP2_Update_14 +1 | 5-2.2 | SUSE-SU-2018:1011-1, SUSE-SU-2018:0989-1 |
| SLES 12 SP2 | kgraft-patch-SLE12-SP2_Update_16 +1 | 4-2.2 | SUSE-SU-2018:1031-1, SUSE-SU-2018:1004-1 |
| SLES 12 SP2 | kgraft-patch-SLE12-SP2_Update_18 +1 | 2-2.2 | SUSE-SU-2018:1003-1, SUSE-SU-2018:0990-1 |
| SLES 12 SP2 | kgraft-patch-SLE12-SP2_Update_7 +1 | 10-2.2 | SUSE-SU-2018:1019-1, SUSE-SU-2018:1012-1 |
| SLES 12 SP2 | kgraft-patch-SLE12-SP2_Update_9 +1 | 9-2.2 | SUSE-SU-2018:1033-1, SUSE-SU-2018:1021-1 |
| SLES 12 SP1 | kernel-xen +3 | 3.12.74-60.64.85.1 | SUSE-SU-2018:0848-1 |
| SLES 12 SP1 | kgraft-patch-SLE12-SP1_Update_15 +1 | 9-2.1 | SUSE-SU-2018:1025-1, SUSE-SU-2018:1008-1 |
| SLES 12 SP1 | kgraft-patch-SLE12-SP1_Update_17 | 8-2.1 | SUSE-SU-2018:1015-1 |
| SLES 12 SP1 | kgraft-patch-SLE12-SP1_Update_18 +2 | 7-2.1 | SUSE-SU-2018:1032-1, SUSE-SU-2018:1005-1, SUSE-SU-2018:0992-1 |
| SLES 12 SP1 | kgraft-patch-SLE12-SP1_Update_21 | 6-2.1 | SUSE-SU-2018:1014-1 |
| SLES 12 SP1 | kgraft-patch-SLE12-SP1_Update_22 | 4-2.1 | SUSE-SU-2018:1034-1 |
| SLES 12 SP1 | kgraft-patch-SLE12-SP1_Update_23 | 3-2.1 | SUSE-SU-2018:1018-1 |
| SLES 12 SP1 | kgraft-patch-SLE12-SP1_Update_24 +1 | 2-2.1 | SUSE-SU-2018:1026-1, SUSE-SU-2018:0988-1 |
| SLES 12 SP1 | kgraft-patch-SLE12-SP1_Update_26 | 1-2.3.1 | SUSE-SU-2018:0991-1, SUSE-SU-2018:0848-1 |
| SLES 12 | kernel-ec2 +4 | 3.12.61-52.125.1 | SUSE-SU-2018:0848-1, SUSE-SU-2018:0834-1 |
| SLES 12 | kgraft-patch-SLE12_Update_21 +1 | 9-2.1 | SUSE-SU-2018:1010-1, SUSE-SU-2018:0999-1 |
| SLES 12 | kgraft-patch-SLE12_Update_23 | 8-2.1 | SUSE-SU-2018:1006-1 |
| SLES 12 | kgraft-patch-SLE12_Update_24 +2 | 7-2.1 | SUSE-SU-2018:1009-1, SUSE-SU-2018:1000-1, SUSE-SU-2018:0996-1 |
| SLES 12 | kgraft-patch-SLE12_Update_27 | 6-2.1 | SUSE-SU-2018:1001-1 |
| SLES 12 | kgraft-patch-SLE12_Update_28 +1 | 4-2.1 | SUSE-SU-2018:1029-1, SUSE-SU-2018:0995-1 |
| SLES 12 | kgraft-patch-SLE12_Update_30 +2 | 3-2.1 | SUSE-SU-2018:1030-1, SUSE-SU-2018:1016-1, SUSE-SU-2018:0994-1 |
| SLES 12 | kgraft-patch-SLE12_Update_33 | 1-1.3.1 | SUSE-SU-2018:1035-1, SUSE-SU-2018:0834-1 |
| SLES 11 SP4 | kernel-ec2 +9 | 3.0.101-108.38.1 | SUSE-SU-2018:1080-1 |
| SLES 11 SP3 | kernel-ec2 +7 | 3.0.101-0.47.106.22.1 | SUSE-SU-2018:1172-1 |
Show 7 more (older releases, extended support, other products)Fewer releases
| Release | Package | Fixed in | Advisory |
|---|---|---|---|
| SLES for SAP 12 SP2 | kgraft-patch-SLE12-SP2_Update_11 +1 | 8-2.2 | SUSE-SU-2018:1023-1, SUSE-SU-2018:0993-1 |
| SLES for SAP 12 SP2 | kgraft-patch-SLE12-SP2_Update_13 | 7-2.2 | SUSE-SU-2018:1007-1 |
| SLES for SAP 12 SP2 | kgraft-patch-SLE12-SP2_Update_14 +1 | 5-2.2 | SUSE-SU-2018:1011-1, SUSE-SU-2018:0989-1 |
| SLES for SAP 12 SP2 | kgraft-patch-SLE12-SP2_Update_16 +1 | 4-2.2 | SUSE-SU-2018:1031-1, SUSE-SU-2018:1004-1 |
| SLES for SAP 12 SP2 | kgraft-patch-SLE12-SP2_Update_18 +1 | 2-2.2 | SUSE-SU-2018:1003-1, SUSE-SU-2018:0990-1 |
| SLES for SAP 12 SP2 | kgraft-patch-SLE12-SP2_Update_7 +1 | 10-2.2 | SUSE-SU-2018:1019-1, SUSE-SU-2018:1012-1 |
| SLES for SAP 12 SP2 | kgraft-patch-SLE12-SP2_Update_9 +1 | 9-2.2 | SUSE-SU-2018:1033-1, SUSE-SU-2018:1021-1 |
| SLES for SAP 12 SP1 | kernel-xen +3 | 3.12.74-60.64.85.1 | SUSE-SU-2018:0848-1 |
| SLES for SAP 12 SP1 | kgraft-patch-SLE12-SP1_Update_15 +1 | 9-2.1 | SUSE-SU-2018:1025-1, SUSE-SU-2018:1008-1 |
| SLES for SAP 12 SP1 | kgraft-patch-SLE12-SP1_Update_17 | 8-2.1 | SUSE-SU-2018:1015-1 |
| SLES for SAP 12 SP1 | kgraft-patch-SLE12-SP1_Update_18 +2 | 7-2.1 | SUSE-SU-2018:1032-1, SUSE-SU-2018:1005-1, SUSE-SU-2018:0992-1 |
| SLES for SAP 12 SP1 | kgraft-patch-SLE12-SP1_Update_21 | 6-2.1 | SUSE-SU-2018:1014-1 |
| SLES for SAP 12 SP1 | kgraft-patch-SLE12-SP1_Update_22 | 4-2.1 | SUSE-SU-2018:1034-1 |
| SLES for SAP 12 SP1 | kgraft-patch-SLE12-SP1_Update_23 | 3-2.1 | SUSE-SU-2018:1018-1 |
| SLES for SAP 12 SP1 | kgraft-patch-SLE12-SP1_Update_24 +1 | 2-2.1 | SUSE-SU-2018:1026-1, SUSE-SU-2018:0988-1 |
| SLES for SAP 12 SP1 | kgraft-patch-SLE12-SP1_Update_26 | 1-2.3.1 | SUSE-SU-2018:0991-1, SUSE-SU-2018:0848-1 |
| SLES for SAP 11 SP4 | kernel-ec2 +8 | 3.0.101-108.38.1 | SUSE-SU-2018:1080-1 |
| SLE Real Time 11 SP4 | kernel-rt +3 | 3.0.101.rt130-69.24.1 | SUSE-SU-2018:1309-1 |
| SLE Live Patching 12 SP3 | kgraft-patch-SLE12-SP3_Update_1 | 7-2.1 | SUSE-SU-2018:1024-1 |
| SLE Live Patching 12 SP3 | kgraft-patch-SLE12-SP3_Update_2 +1 | 6-2.1 | SUSE-SU-2018:1020-1, SUSE-SU-2018:0997-1 |
| SLE Live Patching 12 SP3 | kgraft-patch-SLE12-SP3_Update_4 | 5-2.1 | SUSE-SU-2018:1013-1 |
| SLE Live Patching 12 SP3 | kgraft-patch-SLE12-SP3_Update_5 +2 | 4-2.1 | SUSE-SU-2018:1028-1, SUSE-SU-2018:1027-1, SUSE-SU-2018:1022-1 |
| SLE Live Patching 12 SP3 | kgraft-patch-SLE12-SP3_Update_8 +1 | 2-2.1 | SUSE-SU-2018:1002-1, SUSE-SU-2018:0998-1 |
| SUSE OpenStack Cloud 6 | kernel-xen +3 | 3.12.74-60.64.85.1 | SUSE-SU-2018:0848-1 |
| SUSE OpenStack Cloud 6 | kgraft-patch-SLE12-SP1_Update_26 | 1-2.3.1 | SUSE-SU-2018:0848-1 |
| SUSE Linux Enterprise Point of Sale 11 SP3 | kernel-ec2 +6 | 3.0.101-0.47.106.22.1 | SUSE-SU-2018:1172-1 |
Oracle Linux
| Release | Package | Fixed in | Advisory |
|---|---|---|---|
| Oracle Linux 7 | dtrace-modules-3.8.13-118.24.1.el6uek | 0.4.5-3.el6 | ELSA-2018-4211 |
| Oracle Linux 7 | dtrace-modules-3.8.13-118.24.1.el7uek | 0.4.5-3.el7 | ELSA-2018-4211 |
| Oracle Linux 7 | kernel-uek +5 | 3.8.13-118.24.1.el7uek | ELSA-2018-4211, ELSA-2018-4200 |
| Oracle Linux 7 | perf +11 | 3.10.0-862.11.6.el7 | ELSA-2018-2384 |
Advisories 50
- RHSA-2018:2948 Red Hat Security Advisory: kernel-alt security, bug fix, and enhancement update Red Hat Security Advisories (RHSA) · Jul 1, 2026
- RHSA-2018:2390 Red Hat Security Advisory: kernel security and bug fix update Red Hat Security Advisories (RHSA) · Jul 1, 2026
- RHSA-2019:1487 Red Hat Security Advisory: kernel-rt security and bug fix update Red Hat Security Advisories (RHSA) · Jun 29, 2026
- RHSA-2019:1483 Red Hat Security Advisory: kernel security, bug fix, and enhancement update Red Hat Security Advisories (RHSA) · Jun 29, 2026
- RHSA-2018:2395 Red Hat Security Advisory: kernel-rt security and bug fix update Red Hat Security Advisories (RHSA) · Jun 28, 2026
- RHSA-2018:2384 Red Hat Security Advisory: kernel security and bug fix update Red Hat Security Advisories (RHSA) · Jun 28, 2026
- USN-3798-1 linux vulnerabilities Ubuntu Security Notices (USN) · Apr 22, 2026
- USN-3631-1 linux, linux-aws, linux-kvm, linux-raspi2, linux-snapdragon vulnerabilities Ubuntu Security Notices (USN) · Apr 22, 2026
- DSA-4188-1 linux - security update Debian Security (DSA / DLA) · Mar 9, 2026
- DSA-4187-1 linux - security update Debian Security (DSA / DLA) · Mar 9, 2026
- DLA-1369-1 linux - security update Debian Security (DSA / DLA) · Mar 9, 2026
- USN-3631-2 linux-lts-xenial, linux-aws vulnerabilities Ubuntu Security Notices (USN) · Feb 10, 2026
- SUSE-SU-2018:1007-1 Security update for the Linux Kernel (Live Patch 13 for SLE 12 SP2) SUSE / openSUSE Security Updates · Feb 4, 2026
- SUSE-SU-2018:1028-1 Security update for the Linux Kernel (Live Patch 5 for SLE 12 SP3) SUSE / openSUSE Security Updates · Feb 4, 2026
- SUSE-SU-2018:0993-1 Security update for the Linux Kernel (Live Patch 12 for SLE 12 SP2) SUSE / openSUSE Security Updates · Feb 4, 2026
- SUSE-SU-2018:1026-1 Security update for the Linux Kernel (Live Patch 25 for SLE 12 SP1) SUSE / openSUSE Security Updates · Feb 4, 2026
- SUSE-SU-2018:0997-1 Security update for the Linux Kernel (Live Patch 2 for SLE 12 SP3) SUSE / openSUSE Security Updates · Feb 4, 2026
- SUSE-SU-2018:0994-1 Security update for the Linux Kernel (Live Patch 30 for SLE 12) SUSE / openSUSE Security Updates · Feb 4, 2026
- SUSE-SU-2018:0998-1 Security update for the Linux Kernel (Live Patch 9 for SLE 12 SP3) SUSE / openSUSE Security Updates · Feb 4, 2026
- SUSE-SU-2018:1010-1 Security update for the Linux Kernel (Live Patch 21 for SLE 12) SUSE / openSUSE Security Updates · Feb 4, 2026
- SUSE-SU-2018:1030-1 Security update for the Linux Kernel (Live Patch 32 for SLE 12) SUSE / openSUSE Security Updates · Feb 4, 2026
- SUSE-SU-2018:1080-1 Security update for the Linux Kernel SUSE / openSUSE Security Updates · Feb 4, 2026
- SUSE-SU-2018:1022-1 Security update for the Linux Kernel (Live Patch 7 for SLE 12 SP3) SUSE / openSUSE Security Updates · Feb 4, 2026
- SUSE-SU-2018:1024-1 Security update for the Linux Kernel (Live Patch 1 for SLE 12 SP3) SUSE / openSUSE Security Updates · Feb 4, 2026
- SUSE-SU-2018:1004-1 Security update for the Linux Kernel (Live Patch 16 for SLE 12 SP2) SUSE / openSUSE Security Updates · Feb 4, 2026
- SUSE-SU-2018:1002-1 Security update for the Linux Kernel (Live Patch 8 for SLE 12 SP3) SUSE / openSUSE Security Updates · Feb 4, 2026
- SUSE-SU-2018:0834-1 Security update for the Linux Kernel SUSE / openSUSE Security Updates · Feb 4, 2026
- SUSE-SU-2018:1019-1 Security update for the Linux Kernel (Live Patch 8 for SLE 12 SP2) SUSE / openSUSE Security Updates · Feb 4, 2026
- SUSE-SU-2018:0999-1 Security update for the Linux Kernel (Live Patch 22 for SLE 12) SUSE / openSUSE Security Updates · Feb 4, 2026
- SUSE-SU-2018:1029-1 Security update for the Linux Kernel (Live Patch 29 for SLE 12) SUSE / openSUSE Security Updates · Feb 4, 2026
- SUSE-SU-2018:1032-1 Security update for the Linux Kernel (Live Patch 19 for SLE 12 SP1) SUSE / openSUSE Security Updates · Feb 4, 2026
- SUSE-SU-2018:1033-1 Security update for the Linux Kernel (Live Patch 10 for SLE 12 SP2) SUSE / openSUSE Security Updates · Feb 4, 2026
- SUSE-SU-2018:1021-1 Security update for the Linux Kernel (Live Patch 9 for SLE 12 SP2) SUSE / openSUSE Security Updates · Feb 4, 2026
- SUSE-SU-2018:0992-1 Security update for the Linux Kernel (Live Patch 18 for SLE 12 SP1) SUSE / openSUSE Security Updates · Feb 4, 2026
- SUSE-SU-2018:1015-1 Security update for the Linux Kernel (Live Patch 17 for SLE 12 SP1) SUSE / openSUSE Security Updates · Feb 4, 2026
- SUSE-SU-2018:1006-1 Security update for the Linux Kernel (Live Patch 23 for SLE 12) SUSE / openSUSE Security Updates · Feb 4, 2026
- SUSE-SU-2018:1309-1 Security update for the Linux Kernel SUSE / openSUSE Security Updates · Feb 4, 2026
- SUSE-SU-2018:1020-1 Security update for the Linux Kernel (Live Patch 3 for SLE 12 SP3) SUSE / openSUSE Security Updates · Feb 4, 2026
- SUSE-SU-2018:1000-1 Security update for the Linux Kernel (Live Patch 26 for SLE 12) SUSE / openSUSE Security Updates · Feb 4, 2026
- SUSE-SU-2018:1031-1 Security update for the Linux Kernel (Live Patch 17 for SLE 12 SP2) SUSE / openSUSE Security Updates · Feb 4, 2026
- SUSE-SU-2018:1008-1 Security update for the Linux Kernel (Live Patch 16 for SLE 12 SP1) SUSE / openSUSE Security Updates · Feb 4, 2026
- SUSE-SU-2018:1016-1 Security update for the Linux Kernel (Live Patch 31 for SLE 12) SUSE / openSUSE Security Updates · Feb 4, 2026
- SUSE-SU-2018:1001-1 Security update for the Linux Kernel (Live Patch 27 for SLE 12) SUSE / openSUSE Security Updates · Feb 4, 2026
- SUSE-SU-2018:0996-1 Security update for the Linux Kernel (Live Patch 24 for SLE 12) SUSE / openSUSE Security Updates · Feb 4, 2026
- SUSE-SU-2018:0990-1 Security update for the Linux Kernel (Live Patch 18 for SLE 12 SP2) SUSE / openSUSE Security Updates · Feb 4, 2026
- SUSE-SU-2018:1018-1 Security update for the Linux Kernel (Live Patch 23 for SLE 12 SP1) SUSE / openSUSE Security Updates · Feb 4, 2026
- SUSE-SU-2018:1027-1 Security update for the Linux Kernel (Live Patch 6 for SLE 12 SP3) SUSE / openSUSE Security Updates · Feb 4, 2026
- SUSE-SU-2018:1023-1 Security update for the Linux Kernel (Live Patch 11 for SLE 12 SP2) SUSE / openSUSE Security Updates · Feb 4, 2026
- SUSE-SU-2018:1025-1 Security update for the Linux Kernel (Live Patch 15 for SLE 12 SP1) SUSE / openSUSE Security Updates · Feb 4, 2026
- SUSE-SU-2018:1172-1 Security update for the Linux Kernel SUSE / openSUSE Security Updates · Feb 4, 2026
References
- USN-3631-2 vendor-advisory
- DSA-4187 vendor-advisory
- USN-3631-1 vendor-advisory
- RHSA-2018:2390 vendor-advisory
- RHSA-2018:2395 vendor-advisory
- RHSA-2018:2384 vendor-advisory
- DSA-4188 vendor-advisory
- RHSA-2018:2948 vendor-advisory
- 103605 vdb-entry
- [debian-lts-announce] 20180502 [SECURITY] [DLA 1369-1] linux security update mailing-list
- [alsa-devel] 20180214 [PATCH] ALSA: seq: Fix racy pool initializations mailing-list
- USN-3798-1 vendor-advisory
- USN-3798-2 vendor-advisory
- SUSE-SU-2018:0834 vendor-advisory
- RHSA-2019:1483 vendor-advisory
- RHSA-2019:1487 vendor-advisory
- https://www.oracle.com/security-alerts/cpujul2020.html
- https://www.oracle.com/technetwork/security-advisory/cpuapr2019-5072813.html
- https://help.ecostruxureit.com/display/public/UADCE725/Security+fixes+in+StruxureWare+Data+Center+Expert+v7.6.0
- https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git/commit/?id=d15d662e89fc667b90cd294b0eb45694e33144da
- https://bugzilla.redhat.com/show_bug.cgi?id=1550142