Description
parse_audio_mixer_unit in sound/usb/mixer.c in the Linux kernel through 5.2.9 mishandles a short descriptor, leading to out-of-bounds memory access.
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 | 5.2.17-1 | — |
| Debian 13 | linux | 5.2.17-1 | — |
| Debian 12 | linux | 5.2.17-1 | — |
| Debian 10 | linux | 4.19.67-2+deb10u1 | DSA-4531-1 |
| Debian 9 | linux | 4.9.189-3+deb9u1 | DSA-4531-1 |
Show 1 more (older releases, extended support, other products)Fewer releases
| Release | Package | Fixed in | Advisory |
|---|---|---|---|
| Debian 8 | linux | 3.16.74-1 | DLA-1930-1 |
| Debian 8 | linux-4.9 | 4.9.189-3+deb9u1~deb8u1 | DLA-1940-1 |
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 | 4.15.0-66.75 | USN-4162-1 |
| Ubuntu 18.04 LTS | linux-aws | 4.15.0-1052.54 | USN-4162-1 |
| Ubuntu 18.04 LTS | linux-azure | 5.0.0-1022.23~18.04.1 | — |
| Ubuntu 18.04 LTS | linux-gcp +1 | 5.0.0-1020.20~18.04.1 | USN-4147-1 |
| Ubuntu 18.04 LTS | linux-gke-4.15 | 4.15.0-1046.49 | USN-4162-1 |
| Ubuntu 18.04 LTS | linux-hwe | 5.0.0-31.33~18.04.1 | USN-4147-1 |
| Ubuntu 18.04 LTS | linux-hwe-edge | No fix yet | — |
| Ubuntu 18.04 LTS | linux-kvm | 4.15.0-1048.48 | USN-4162-1 |
| Ubuntu 18.04 LTS | linux-oem | 4.15.0-1059.68 | USN-4162-1 |
| Ubuntu 18.04 LTS | linux-oem-osp1 | 5.0.0-1024.27 | — |
| Ubuntu 18.04 LTS | linux-oracle | 4.15.0-1027.30 | USN-4162-1 |
| Ubuntu 18.04 LTS | linux-raspi2 | 4.15.0-1049.53 | USN-4162-1 |
| Ubuntu 18.04 LTS | linux-snapdragon | 4.15.0-1066.73 | USN-4162-1 |
| Ubuntu 16.04 LTS | linux | 4.4.0-166.195 | USN-4163-1 |
| Ubuntu 16.04 LTS | linux-aws | 4.4.0-1096.107 | USN-4163-1 |
| Ubuntu 16.04 LTS | linux-aws-hwe | 4.15.0-1052.54~16.04.1 | USN-4162-1 |
| Ubuntu 16.04 LTS | linux-azure | 4.15.0-1061.66 | USN-4162-1 |
| Ubuntu 16.04 LTS | linux-gcp | 4.15.0-1047.50 | USN-4162-1 |
| Ubuntu 16.04 LTS | linux-hwe | 4.15.0-66.75~16.04.1 | USN-4162-1 |
| Ubuntu 16.04 LTS | linux-kvm | 4.4.0-1060.67 | USN-4163-1 |
| Ubuntu 16.04 LTS | linux-oracle | 4.15.0-1027.30~16.04.1 | USN-4162-1 |
| Ubuntu 16.04 LTS | linux-raspi2 | 4.4.0-1124.133 | USN-4163-1 |
| Ubuntu 16.04 LTS | linux-snapdragon | 4.4.0-1128.136 | USN-4163-1 |
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 | 4.4.0-1023.28 | — |
| Ubuntu Pro 14.04 LTS | linux | No fix yet | — |
| Ubuntu Pro 14.04 LTS | linux-aws | 4.4.0-1056.60 | USN-4163-2 |
| Ubuntu Pro 14.04 LTS | linux-azure | 4.15.0-1061.66~14.04.1 | USN-4162-2 |
| Ubuntu Pro 14.04 LTS | linux-lts-xenial | 4.4.0-166.195~14.04.1 | USN-4163-2 |
SUSE
Security tracker ↗| Release | Package | Fixed in | Advisory |
|---|---|---|---|
| SLES 15 SP1 | kernel-azure +2 | 4.12.14-8.16.1 | SUSE-SU-2019:2658-1 |
| SLES 15 SP1 | kernel-docs +5 | 4.12.14-197.18.1 | SUSE-SU-2019:2424-1 |
| SLES 15 | kernel-azure +2 | 4.12.14-5.41.1 | SUSE-SU-2019:2651-1 |
| SLES 15 | kernel-docs +6 | 4.12.14-150.35.1 | SUSE-SU-2019:2414-1 |
| SLES 12 SP4 | kernel-azure +2 | 4.12.14-6.26.1 | SUSE-SU-2019:2648-1 |
| SLES 12 SP4 | kernel-docs +4 | 4.12.14-95.32.1 | SUSE-SU-2019:2412-1 |
| 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 14 more (older releases, extended support, other products)Fewer releases
| Release | Package | Fixed in | Advisory |
|---|---|---|---|
| SLES for SAP 12 SP4 | kernel-azure +2 | 4.12.14-6.26.1 | SUSE-SU-2019:2648-1 |
| SLES for SAP 12 SP4 | kernel-syms +2 | 4.12.14-95.32.1 | SUSE-SU-2019:2412-1 |
| 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 |
| SLE Real Time 12 SP4 | kernel-rt +3 | 4.12.14-8.6.1 | SUSE-SU-2019:2756-1 |
| SLE Live Patching 15 SP1 | kernel-default | 4.12.14-197.18.1 | SUSE-SU-2019:2424-1 |
| SLE Live Patching 15 SP1 | kernel-livepatch-SLE15-SP1_Update_5 | 1-3.3.1 | SUSE-SU-2020:2526-1, SUSE-SU-2019:2424-1 |
| SLE Live Patching 15 | kernel-default | 4.12.14-150.35.1 | SUSE-SU-2019:2414-1 |
| SLE Live Patching 15 | kernel-livepatch-SLE15_Update_14 | 1-1.3.1 | SUSE-SU-2019:2414-1 |
| SLE Live Patching 12 SP4 | kgraft-patch-SLE12-SP4_Update_8 | 1-6.3.1 | SUSE-SU-2019:2412-1 |
| SUSE Real Time Module 15 SP1 | kernel-rt +3 | 4.12.14-14.11.1 | SUSE-SU-2019:2738-1 |
| 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-lp151.28.16.1 | openSUSE-SU-2019:2181-1 |
| openSUSE Leap 15.0 | kernel-docs +8 | 4.12.14-lp150.12.73.1 | openSUSE-SU-2019:2173-1 |
Advisories 21
- USN-4163-1 linux, linux-aws, linux-kvm, linux-raspi2, linux-snapdragon vulnerabilities Ubuntu Security Notices (USN) · Sep 9, 2026
- USN-4163-2 linux-lts-xenial, linux-aws vulnerabilities Ubuntu Security Notices (USN) · Sep 9, 2026
- USN-4162-2 linux-azure vulnerabilities Ubuntu Security Notices (USN) · Sep 9, 2026
- USN-4162-1 linux, linux-aws, linux-aws-hwe, linux-azure, linux-gcp, linux-gke-4.15, linux-hwe, linux-kvm, linux-oem, linux-oracle, linux-raspi2, linux-snapdragon vulnerabilities Ubuntu Security Notices (USN) · Sep 9, 2026
- USN-4147-1 linux, linux-aws, linux-azure, linux-gcp, linux-gke-5.0, linux-hwe, linux-kvm, linux-raspi2, linux-snapdragon vulnerabilities Ubuntu Security Notices (USN) · Sep 7, 2026
- DSA-4531-1 linux - security update Debian Security (DSA / DLA) · Mar 9, 2026
- DLA-1930-1 linux - security update Debian Security (DSA / DLA) · Mar 9, 2026
- DLA-1940-1 linux-4.9 - security update Debian Security (DSA / DLA) · Mar 9, 2026
- SUSE-SU-2019:2263-1 Security update for the Linux Kernel SUSE / openSUSE Security Updates · Feb 4, 2026
- openSUSE-SU-2019:2173-1 Security update for the Linux Kernel SUSE / openSUSE Security Updates · Feb 4, 2026
- SUSE-SU-2019:2756-1 Security update for the Linux Kernel SUSE / openSUSE Security Updates · Feb 4, 2026
- SUSE-SU-2019:2648-1 Security update for the Linux Kernel SUSE / openSUSE Security Updates · Feb 4, 2026
- SUSE-SU-2019:2414-1 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
- SUSE-SU-2019:2412-1 Security update for the Linux Kernel SUSE / openSUSE Security Updates · Feb 4, 2026
- SUSE-SU-2020:2526-1 Security update for the Linux Kernel (Live Patch 5 for SLE 15 SP1) SUSE / openSUSE Security Updates · Feb 4, 2026
- SUSE-SU-2019:2658-1 Security update for the Linux Kernel SUSE / openSUSE Security Updates · Feb 4, 2026
- SUSE-SU-2019:2651-1 Security update for the Linux Kernel SUSE / openSUSE Security Updates · Feb 4, 2026
- openSUSE-SU-2019:2181-1 Security update for the Linux Kernel SUSE / openSUSE Security Updates · May 7, 2025
- SUSE-SU-2019:2738-1 Security update for the Linux Kernel SUSE / openSUSE Security Updates · May 2, 2025
- SUSE-SU-2019:2424-1 Security update for the Linux Kernel SUSE / openSUSE Security Updates · May 2, 2025
References
- https://git.kernel.org/pub/scm/linux/kernel/git/tiwai/sound.git/commit/?id=daac07156b330b18eb5071aec4b3ddca1c377f2c
- https://lore.kernel.org/lkml/20190814023625.21683-1-benquike%40gmail.com/
- https://security.netapp.com/advisory/ntap-20190905-0002/
- openSUSE-SU-2019:2173 vendor-advisory
- openSUSE-SU-2019:2181 vendor-advisory
- [debian-lts-announce] 20190925 [SECURITY] [DLA 1930-1] linux security update mailing-list
- 20190925 [SECURITY] [DSA 4531-1] linux security update mailing-list
- DSA-4531 vendor-advisory
- [debian-lts-announce] 20191001 [SECURITY] [DLA 1940-1] linux-4.9 security update mailing-list
- USN-4147-1 vendor-advisory
- https://support.f5.com/csp/article/K16449953?utm_source=f5support&%3Butm_medium=RSS
- USN-4162-1 vendor-advisory
- USN-4163-1 vendor-advisory
- USN-4163-2 vendor-advisory
- USN-4162-2 vendor-advisory
- 20191108 [slackware-security] Slackware 14.2 kernel (SSA:2019-311-01) mailing-list
- http://packetstormsecurity.com/files/155212/Slackware-Security-Advisory-Slackware-14.2-kernel-Updates.html