Description
An issue was discovered in the Linux kernel before 4.19.9. The USB subsystem mishandles size checks during the reading of an extra descriptor, related to __usb_get_extra_descriptor in drivers/usb/core/usb.c.
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 | 4.19.9-1 | — |
| Debian 13 | linux | 4.19.9-1 | — |
| Debian 12 | linux | 4.19.9-1 | — |
| Debian 8 | linux | 3.16.64-1 | DLA-1731-1 |
| Debian 8 | linux-4.9 | 4.9.168-1~deb8u1 | DLA-1771-1 |
Ubuntu
Security tracker ↗| Release | Package | Fixed in | Advisory |
|---|---|---|---|
| Ubuntu 26.04 LTS | linux-vmware | No fix yet | — |
| 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 | 4.15.0-58.64 | USN-4094-1 |
| Ubuntu 18.04 LTS | linux-aws | 4.15.0-1047.49 | USN-4118-1 |
| Ubuntu 18.04 LTS | linux-azure | 5.0.0-1014.14~18.04.1 | — |
| Ubuntu 18.04 LTS | linux-gcp +1 | 4.15.0-1040.42 | USN-4094-1 |
| Ubuntu 18.04 LTS | linux-hwe | 5.0.0-23.24~18.04.1 | — |
| Ubuntu 18.04 LTS | linux-kvm | 4.15.0-1042.42 | USN-4094-1 |
| Ubuntu 18.04 LTS | linux-oem | 4.15.0-1050.57 | USN-4094-1 |
| Ubuntu 18.04 LTS | linux-oracle | 4.15.0-1021.23 | USN-4094-1 |
| Ubuntu 18.04 LTS | linux-raspi2 | 4.15.0-1043.46 | USN-4094-1 |
| Ubuntu 18.04 LTS | linux-snapdragon | 4.15.0-1060.66 | USN-4094-1 |
Show 6 more (older releases, extended support, other products)Fewer releases
| Release | Package | Fixed in | Advisory |
|---|---|---|---|
| Ubuntu 16.04 LTS | linux | 4.4.0-142.168 | USN-3879-1 |
| Ubuntu 16.04 LTS | linux-aws | 4.4.0-1075.85 | USN-3879-1 |
| Ubuntu 16.04 LTS | linux-aws-hwe | 4.15.0-1047.49~16.04.1 | USN-4118-1 |
| Ubuntu 16.04 LTS | linux-azure | 4.15.0-1055.60 | USN-4094-1 |
| Ubuntu 16.04 LTS | linux-gcp | 4.15.0-1040.42~16.04.1 | USN-4094-1 |
| Ubuntu 16.04 LTS | linux-hwe | 4.15.0-58.64~16.04.1 | USN-4094-1 |
| Ubuntu 16.04 LTS | linux-kvm | 4.4.0-1040.46 | USN-3879-1 |
| Ubuntu 16.04 LTS | linux-oracle | 4.15.0-1021.23~16.04.1 | USN-4094-1 |
| Ubuntu 16.04 LTS | linux-raspi2 | 4.4.0-1103.111 | USN-3879-1 |
| Ubuntu 16.04 LTS | linux-snapdragon | 4.4.0-1107.112 | USN-3879-1 |
| Ubuntu 14.04 LTS | linux-aws | 4.4.0-1038.41 | USN-3879-2 |
| Ubuntu 14.04 LTS | linux-lts-xenial | 4.4.0-142.168~14.04.1 | USN-3879-2 |
| 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 | 4.4.0-1008.10 | — |
| Ubuntu Pro 14.04 LTS | linux | No fix yet | — |
| Ubuntu Pro 14.04 LTS | linux-azure | 4.15.0-1059.64~14.04.1 | — |
Red Hat
Security tracker ↗| Release | Package | Fixed in | Advisory |
|---|---|---|---|
| RHEL 8 | kernel-rt +12 | 4.18.0-147.rt24.93.el8 | RHSA-2019:3309 |
| RHEL 8 | perf +26 | 4.18.0-147.el8 | RHSA-2019:3517 |
| RHEL 7 | kernel +15 | 3.10.0-1127.el7 | RHSA-2020:1016 |
| RHEL 7 | kernel-rt +10 | 3.10.0-1127.rt56.1093.el7 | RHSA-2020:1070 |
| RHEL 7 | perf +2 | 3.10.0-957.56.1.el7 | RHSA-2020:2851, RHSA-2020:1016 |
Show 6 more (older releases, extended support, other products)Fewer releases
| Release | Package | Fixed in | Advisory |
|---|---|---|---|
| RHEL 7.7 EUS | perf +18 | 3.10.0-1062.26.1.el7 | RHSA-2020:2522 |
| RHEL 7.6 EUS | perf +18 | 3.10.0-957.56.1.el7 | RHSA-2020:2851 |
| RHEL 7.4 TUS | perf +12 | 3.10.0-693.69.1.el7 | RHSA-2020:2770 |
| RHEL 7.4 E4S | perf +14 | 3.10.0-693.69.1.el7 | RHSA-2020:2770 |
| RHEL 7.4 AUS | perf +12 | 3.10.0-693.69.1.el7 | RHSA-2020:2770 |
| Red Hat MRG 2 | kernel-rt +10 | 1:3.10.0-693.69.1.rt56.667.el6rt | RHSA-2020:2777 |
SUSE
Security tracker ↗| Release | Package | Fixed in | Advisory |
|---|---|---|---|
| SLES 15 | kernel-azure +2 | 4.12.14-5.19.1 | SUSE-SU-2019:0150-1 |
| SLES 15 | kernel-docs +6 | 4.12.14-25.28.1 | SUSE-SU-2019:0224-1 |
| SLES 12 SP4 | kernel-azure +2 | 4.12.14-6.6.2 | SUSE-SU-2019:0222-1 |
| SLES 12 SP4 | kernel-docs +4 | 4.12.14-95.6.1 | SUSE-SU-2019:0196-1 |
| SLES 12 SP3 | kernel-azure +2 | 4.4.170-4.22.1 | SUSE-SU-2019:0148-1 |
| SLES 12 SP3 | kernel-docs +4 | 4.4.175-94.79.1 | SUSE-SU-2019:0541-1 |
| SLES 12 SP2 | kernel-syms +2 | 4.4.121-92.101.1 | SUSE-SU-2019:0439-1 |
| SLES 12 SP2 | kgraft-patch-SLE12-SP2_Update_27 | 1-3.3.1 | SUSE-SU-2019:0439-1 |
| SLES 12 SP1 | kernel-xen +3 | 3.12.74-60.64.110.1 | SUSE-SU-2019:1289-1 |
| SLES 12 SP1 | kgraft-patch-SLE12-SP1_Update_33 | 1-2.3.1 | SUSE-SU-2019:1289-1 |
| SLES 12 SP1 | lttng-modules | 2.7.0-4.4.1 | SUSE-SU-2019:1289-1 |
Show 16 more (older releases, extended support, other products)Fewer releases
| Release | Package | Fixed in | Advisory |
|---|---|---|---|
| SLES 12 | kernel-ec2 | 3.12.74-60.64.110.1 | SUSE-SU-2019:1289-1 |
| SLES 11 SP4 | kernel-ec2 +9 | 3.0.101-108.87.1 | SUSE-SU-2019:13979-1 |
| SLES 11 SP4 | ocfs2 | 1.6-0.28.7.1 | SUSE-SU-2019:13979-1 |
| SLES 11 SP3 | kernel-ec2 +7 | 3.0.101-0.47.106.59.1 | SUSE-SU-2019:13937-1 |
| SLES for SAP 12 SP4 | kernel-azure +2 | 4.12.14-6.6.2 | SUSE-SU-2019:0222-1 |
| SLES for SAP 12 SP4 | kernel-syms +2 | 4.12.14-95.6.1 | SUSE-SU-2019:0196-1 |
| SLES for SAP 12 SP3 | kernel-azure +2 | 4.4.170-4.22.1 | SUSE-SU-2019:0148-1 |
| SLES for SAP 12 SP3 | kernel-syms +2 | 4.4.175-94.79.1 | SUSE-SU-2019:0541-1 |
| SLES for SAP 12 SP2 | kernel-syms +2 | 4.4.121-92.101.1 | SUSE-SU-2019:0439-1 |
| SLES for SAP 12 SP2 | kgraft-patch-SLE12-SP2_Update_27 | 1-3.3.1 | SUSE-SU-2019:0439-1 |
| SLES for SAP 12 SP1 | kernel-xen +3 | 3.12.74-60.64.110.1 | SUSE-SU-2019:1289-1 |
| SLES for SAP 12 SP1 | kgraft-patch-SLE12-SP1_Update_33 | 1-2.3.1 | SUSE-SU-2019:1289-1 |
| SLES for SAP 12 SP1 | lttng-modules | 2.7.0-4.4.1 | SUSE-SU-2019:1289-1 |
| SLES for SAP 11 SP4 | kernel-ec2 +8 | 3.0.101-108.87.1 | SUSE-SU-2019:13979-1 |
| SLE Real Time 12 SP3 | kernel-rt +1 | 4.4.170-3.32.2 | SUSE-SU-2019:0320-1 |
| SLE Real Time 12 SP3 | kernel-syms-rt +1 | 4.4.170-3.32.1 | SUSE-SU-2019:0320-1 |
| SLE Real Time 11 SP4 | ocfs2 | 1.6-0.28.7.1 | SUSE-SU-2019:13979-1 |
| SLE Live Patching 15 | kernel-default | 4.12.14-25.28.1 | SUSE-SU-2019:0224-1 |
| SLE Live Patching 15 | kernel-livepatch-SLE15_Update_8 | 1-1.3.1 | SUSE-SU-2019:0224-1 |
| SLE Live Patching 12 SP4 | kgraft-patch-SLE12-SP4_Update_2 | 1-6.3.1 | SUSE-SU-2019:0196-1 |
| SLE Live Patching 12 SP3 | kgraft-patch-SLE12-SP3_Update_23 | 1-4.7.1 | SUSE-SU-2019:0541-1 |
| SUSE OpenStack Cloud 7 | kernel-syms +2 | 4.4.121-92.101.1 | SUSE-SU-2019:0439-1 |
| SUSE OpenStack Cloud 7 | kgraft-patch-SLE12-SP2_Update_27 | 1-3.3.1 | SUSE-SU-2019:0439-1 |
| SUSE Linux Enterprise Point of Sale 11 SP3 | kernel-ec2 +6 | 3.0.101-0.47.106.59.1 | SUSE-SU-2019:13937-1 |
| SUSE Enterprise Storage 4 | kernel-syms +2 | 4.4.121-92.101.1 | SUSE-SU-2019:0439-1 |
| SUSE Enterprise Storage 4 | kgraft-patch-SLE12-SP2_Update_27 | 1-3.3.1 | SUSE-SU-2019:0439-1 |
openSUSE
Security tracker ↗| Release | Package | Fixed in | Advisory |
|---|---|---|---|
| openSUSE Leap 15.0 | kernel-source | 4.12.14-lp150.12.45.1 | openSUSE-SU-2019:0065-1 |
Amazon Linux
| Release | Package | Fixed in | Advisory |
|---|---|---|---|
| Amazon Linux 2 | perf +8 | 4.14.88-88.76.amzn2 | ALAS2-2019-1145 |
Azure Linux
| Release | Package | Fixed in | Advisory |
|---|---|---|---|
| Azure Linux 3 | kernel | 6.6.22.1-2 | — |
| Azure Linux 2 (CBL-Mariner) | kernel | 5.15.148.2-2 | — |
Oracle Linux
| Release | Package | Fixed in | Advisory |
|---|---|---|---|
| Oracle Linux 8 | perf +19 | 4.18.0-147.el8 | ELSA-2019-3517 |
| Oracle Linux 7 | dtrace-modules-3.8.13-118.40.1.el6uek | 0.4.5-3.el6 | ELSA-2019-4854 |
| Oracle Linux 7 | dtrace-modules-3.8.13-118.40.1.el7uek | 0.4.5-3.el7 | ELSA-2019-4854 |
| Oracle Linux 7 | kernel-uek +5 | 3.8.13-118.40.1.el7uek | ELSA-2019-4854, ELSA-2019-4729 |
| Oracle Linux 7 | perf +12 | 3.10.0-1127.el7 | ELSA-2020-1016 |
Advisories 31
- USN-4094-1 linux, linux-hwe, linux-azure, linux-gcp, linux-gke-4.15, linux-kvm, linux-oem, linux-oracle, 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
- RHSA-2019:3517 Red Hat Security Advisory: kernel security, bug fix, and enhancement update Red Hat Security Advisories (RHSA) · Aug 5, 2026
- RHSA-2020:2770 Red Hat Security Advisory: kernel security and bug fix update Red Hat Security Advisories (RHSA) · Jun 29, 2026
- RHSA-2020:2777 Red Hat Security Advisory: kernel-rt security and bug fix update Red Hat Security Advisories (RHSA) · Jun 29, 2026
- RHSA-2020:2851 Red Hat Security Advisory: kernel security and bug fix update Red Hat Security Advisories (RHSA) · Jun 28, 2026
- RHSA-2020:2522 Red Hat Security Advisory: kernel security and bug fix update Red Hat Security Advisories (RHSA) · Jun 28, 2026
- RHSA-2020:1070 Red Hat Security Advisory: kernel-rt security and bug fix update Red Hat Security Advisories (RHSA) · Jun 28, 2026
- RHSA-2020:1016 Red Hat Security Advisory: kernel security, bug fix, and enhancement update Red Hat Security Advisories (RHSA) · Jun 28, 2026
- RHSA-2019:3309 Red Hat Security Advisory: kernel-rt security and bug fix update Red Hat Security Advisories (RHSA) · Jun 28, 2026
- USN-3879-1 linux, linux-aws, linux-kvm, linux-raspi2, linux-snapdragon vulnerabilities Ubuntu Security Notices (USN) · Jun 3, 2026
- USN-3879-2 linux-lts-xenial, linux-aws vulnerabilities Ubuntu Security Notices (USN) · Jun 3, 2026
- DLA-1731-1 linux - security update Debian Security (DSA / DLA) · Mar 9, 2026
- DLA-1771-1 linux-4.9 - security update Debian Security (DSA / DLA) · Mar 9, 2026
- SUSE-SU-2019:0222-1 Security update for the Linux Kernel SUSE / openSUSE Security Updates · Feb 4, 2026
- SUSE-SU-2019:0150-1 Security update for the Linux Kernel SUSE / openSUSE Security Updates · Feb 4, 2026
- SUSE-SU-2019:0224-1 Security update for the Linux Kernel SUSE / openSUSE Security Updates · Feb 4, 2026
- SUSE-SU-2019:0320-1 Security update for the Linux Kernel SUSE / openSUSE Security Updates · Feb 4, 2026
- SUSE-SU-2019:0148-1 Security update for the Linux Kernel SUSE / openSUSE Security Updates · Feb 4, 2026
- SUSE-SU-2019:0196-1 Security update for the Linux Kernel SUSE / openSUSE Security Updates · Feb 4, 2026
- SUSE-SU-2019:1289-1 Security update for the Linux Kernel SUSE / openSUSE Security Updates · Feb 4, 2026
- SUSE-SU-2019:0541-1 Security update for the Linux Kernel SUSE / openSUSE Security Updates · Feb 4, 2026
- SUSE-SU-2019:13979-1 Security update for the Linux Kernel SUSE / openSUSE Security Updates · Feb 4, 2026
- openSUSE-SU-2019:0065-1 Security update for the Linux Kernel SUSE / openSUSE Security Updates · May 2, 2025
- SUSE-SU-2019:0439-1 Security update for the Linux Kernel SUSE / openSUSE Security Updates · May 2, 2025
- SUSE-SU-2019:13937-1 Security update for the Linux Kernel SUSE / openSUSE Security Updates · May 2, 2025
- ELSA-2020-1016 Moderate: kernel security, bug fix, and enhancement update (Oracle Linux 7) Oracle Linux Security Advisories (ELSA) · Apr 6, 2020
- ELSA-2019-4854 Important: Unbreakable Enterprise kernel security update (Oracle Linux 7) Oracle Linux Security Advisories (ELSA) · Nov 20, 2019
- ELSA-2019-3517 Important: kernel security, bug fix, and enhancement update (Oracle Linux 8) Oracle Linux Security Advisories (ELSA) · Nov 14, 2019
- ELSA-2019-4729 Important: Unbreakable Enterprise kernel security update (Oracle Linux 7) Oracle Linux Security Advisories (ELSA) · Jul 29, 2019
- ALAS2-2019-1145 Moderate: kernel security update (Amazon Linux 2) Amazon Linux Security Center (ALAS) · Jan 9, 2019
References
- USN-3879-2 vendor-advisory
- http://git.kernel.org/cgit/linux/kernel/git/torvalds/linux.git/commit/?id=704620afc70cf47abb9d6a1a57f3825d2bca49cf
- USN-3879-1 vendor-advisory
- https://cdn.kernel.org/pub/linux/kernel/v4.x/ChangeLog-4.19.9
- https://github.com/torvalds/linux/commit/704620afc70cf47abb9d6a1a57f3825d2bca49cf
- [debian-lts-announce] 20190327 [SECURITY] [DLA 1731-1] linux security update mailing-list
- [debian-lts-announce] 20190401 [SECURITY] [DLA 1731-2] linux regression update mailing-list
- [debian-lts-announce] 20190503 [SECURITY] [DLA 1771-1] linux-4.9 security update mailing-list
- USN-4094-1 vendor-advisory
- USN-4118-1 vendor-advisory
- RHSA-2019:3309 vendor-advisory
- RHSA-2019:3517 vendor-advisory