Description
An issue was discovered in the Linux kernel through 5.2.9. There is a NULL pointer dereference caused by a malicious USB device in the flexcop_usb_probe function in the drivers/media/usb/b2c2/flexcop-usb.c driver.
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 | 5.3.15-1 | — |
| Debian 13 | linux | 5.3.15-1 | — |
| Debian 12 | linux | 5.3.15-1 | — |
| Debian 8 | linux | 3.16.81-1 | DLA-2068-1 |
| Debian 8 | linux-4.9 | 4.9.210-1~deb8u1 | DLA-2114-1 |
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 | 4.15.0-88.88 | USN-4287-1 |
| Ubuntu 18.04 LTS | linux-aws | 4.15.0-1060.62 | USN-4287-1 |
| Ubuntu 18.04 LTS | linux-aws-5.0 | 5.0.0-1024.27~18.04.1 | USN-4258-1 |
| Ubuntu 18.04 LTS | linux-azure | 5.0.0-1029.31~18.04.1 | — |
| Ubuntu 18.04 LTS | linux-azure-5.3 | 5.3.0-1013.14~18.04.1 | USN-4284-1 |
| Ubuntu 18.04 LTS | linux-gcp +1 | 5.0.0-1029.30~18.04.1 | USN-4258-1 |
| Ubuntu 18.04 LTS | linux-gcp-5.3 +1 | 5.3.0-1012.13~18.04.1 | USN-4284-1 |
| Ubuntu 18.04 LTS | linux-gcp-edge +2 | No fix yet | — |
| Ubuntu 18.04 LTS | linux-gke-4.15 | 4.15.0-1052.55 | USN-4287-1 |
| Ubuntu 18.04 LTS | linux-hwe | 5.3.0-40.32~18.04.1 | USN-4284-1 |
| Ubuntu 18.04 LTS | linux-kvm | 4.15.0-1053.53 | USN-4287-1 |
| Ubuntu 18.04 LTS | linux-oem | 4.15.0-1073.83 | — |
| Ubuntu 18.04 LTS | linux-oem-osp1 | 5.0.0-1037.42 | — |
| Ubuntu 18.04 LTS | linux-oracle | 4.15.0-1033.36 | USN-4287-1 |
| Ubuntu 18.04 LTS | linux-oracle-5.0 | 5.0.0-1010.15~18.04.1 | USN-4258-1 |
| Ubuntu 18.04 LTS | linux-raspi2 | 4.15.0-1055.59 | USN-4287-1 |
| Ubuntu 18.04 LTS | linux-raspi2-5.3 | 5.3.0-1018.20~18.04.1 | USN-4284-1 |
| Ubuntu 18.04 LTS | linux-snapdragon | 4.15.0-1072.79 | USN-4287-1 |
| Ubuntu 16.04 LTS | linux | 4.4.0-173.203 | USN-4254-1 |
| Ubuntu 16.04 LTS | linux-aws | 4.4.0-1101.112 | USN-4254-1 |
| Ubuntu 16.04 LTS | linux-aws-hwe | 4.15.0-1060.62~16.04.1 | USN-4287-1 |
| Ubuntu 16.04 LTS | linux-azure | 4.15.0-1071.76 | USN-4287-1 |
| Ubuntu 16.04 LTS | linux-gcp | 4.15.0-1055.59 | USN-4287-1 |
| Ubuntu 16.04 LTS | linux-hwe | 4.15.0-88.88~16.04.1 | USN-4287-1 |
| Ubuntu 16.04 LTS | linux-hwe-edge | No fix yet | — |
| Ubuntu 16.04 LTS | linux-kvm | 4.4.0-1065.72 | USN-4254-1 |
| Ubuntu 16.04 LTS | linux-oracle | 4.15.0-1033.36~16.04.1 | USN-4287-1 |
| Ubuntu 16.04 LTS | linux-raspi2 | 4.4.0-1128.137 | USN-4254-1 |
| Ubuntu 16.04 LTS | linux-snapdragon | 4.4.0-1132.140 | USN-4254-1 |
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 | 4.4.0-1028.33 | — |
| Ubuntu Pro 14.04 LTS | linux | No fix yet | — |
| Ubuntu Pro 14.04 LTS | linux-aws | 4.4.0-1061.65 | USN-4254-2 |
| Ubuntu Pro 14.04 LTS | linux-azure | 4.15.0-1071.76~14.04.1 | USN-4287-2 |
| Ubuntu Pro 14.04 LTS | linux-lts-xenial | 4.4.0-173.203~14.04.1 | USN-4254-2 |
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 | 4.12.14-197.21.1 | SUSE-SU-2019:2710-1 |
| SLES 15 | kernel-azure +2 | 4.12.14-5.41.1 | SUSE-SU-2019:2651-1 |
| SLES 15 | kernel-docs +6 | 4.12.14-150.38.1 | SUSE-SU-2019:2706-1 |
| SLES 12 SP4 | kernel-azure +2 | 4.12.14-6.26.1 | SUSE-SU-2019:2648-1 |
| SLES 12 SP4 | kernel-docs +4 | 4.12.14-95.37.1 | SUSE-SU-2019:2879-1 |
| 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 |
Show 17 more (older releases, extended support, other products)Fewer releases
| Release | Package | Fixed in | Advisory |
|---|---|---|---|
| SLES 12 SP1 | kernel-xen +3 | 3.12.74-60.64.124.1 | 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 |
| 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 | 4.12.14-95.37.1 | SUSE-SU-2019:2879-1 |
| 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 |
| 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 | 4.12.14-197.21.1 | SUSE-SU-2019:2710-1 |
| SLE Live Patching 15 SP1 | kernel-livepatch-SLE15-SP1_Update_6 | 1-3.3.1 | SUSE-SU-2019:2710-1 |
| SLE Live Patching 15 | kernel-default | 4.12.14-150.38.1 | SUSE-SU-2019:2706-1 |
| SLE Live Patching 15 | kernel-livepatch-SLE15_Update_15 | 1-1.3.1 | SUSE-SU-2019:2706-1 |
| SLE Live Patching 12 SP4 | kgraft-patch-SLE12-SP4_Update_9 | 1-6.5.1 | SUSE-SU-2019:2879-1 |
| SUSE Real Time Module 15 SP1 | kernel-rt +1 | 4.12.14-14.14.3 | SUSE-SU-2019:3295-1 |
| SUSE Real Time Module 15 SP1 | kernel-syms-rt +1 | 4.12.14-14.14.2 | SUSE-SU-2019:3295-1 |
| 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 |
openSUSE
Security tracker ↗| Release | Package | Fixed in | Advisory |
|---|---|---|---|
| openSUSE Leap 15.1 | kernel-docs +8 | 4.12.14-lp151.28.20.1 | openSUSE-SU-2019:2308-1 |
| openSUSE Leap 15.0 | kernel-docs +8 | 4.12.14-lp150.12.76.1 | openSUSE-SU-2019:2307-1 |
Oracle Linux
| Release | Package | Fixed in | Advisory |
|---|---|---|---|
| Oracle Linux 7 | dtrace-modules-3.8.13-118.43.1.el6uek | 0.4.5-3.el6 | ELSA-2020-5559 |
| Oracle Linux 7 | dtrace-modules-3.8.13-118.43.1.el7uek | 0.4.5-3.el7 | ELSA-2020-5559 |
| Oracle Linux 7 | kernel-uek +5 | 3.8.13-118.43.1.el7uek | ELSA-2020-5569, ELSA-2020-5559, ELSA-2020-5541 |
| Oracle Linux 7 | perf +5 | 4.14.35-1902.11.3.el7uek | ELSA-2020-5569 |
Advisories 26
- USN-4258-1 linux-aws-5.0, linux-gcp, linux-gke-5.0, linux-oracle-5.0 vulnerabilities Ubuntu Security Notices (USN) · Sep 7, 2026
- USN-4287-1 linux, linux-aws, linux-aws-hwe, linux-azure, linux-gcp, linux-gke-4.15, linux-hwe, linux-kvm, linux-oracle, linux-raspi2, linux-snapdragon vulnerabilities Ubuntu Security Notices (USN) · Sep 7, 2026
- USN-4284-1 linux, linux-aws, linux-azure, linux-azure-5.3, linux-gcp, linux-gcp-5.3, linux-hwe, linux-kvm, linux-oracle, linux-raspi2, linux-raspi2-5.3 vulnerabilities Ubuntu Security Notices (USN) · Sep 7, 2026
- USN-4287-2 linux-azure vulnerabilities Ubuntu Security Notices (USN) · Jun 3, 2026
- USN-4254-1 linux, linux-aws, linux-kvm, linux-raspi2, linux-snapdragon vulnerabilities Ubuntu Security Notices (USN) · Jun 3, 2026
- USN-4254-2 linux-lts-xenial, linux-aws vulnerabilities Ubuntu Security Notices (USN) · Jun 3, 2026
- DLA-2114-1 linux-4.9 - security update Debian Security (DSA / DLA) · Mar 9, 2026
- DLA-2068-1 linux - security update Debian Security (DSA / DLA) · Mar 9, 2026
- openSUSE-SU-2019:2308-1 Security update for the Linux Kernel SUSE / openSUSE Security Updates · Feb 4, 2026
- SUSE-SU-2019:2879-1 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-2019:14218-1 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-2019:2710-1 Security update for the Linux Kernel SUSE / openSUSE Security Updates · Feb 4, 2026
- SUSE-SU-2019:3295-1 Security update for the Linux Kernel SUSE / openSUSE Security Updates · Feb 4, 2026
- openSUSE-SU-2019:2307-1 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-2019:2648-1 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
- SUSE-SU-2019:2706-1 Security update for the Linux Kernel 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
- WID-SEC-2024-3638 Linux Kernel: Mehrere Schwachstellen ermöglichen Codeausführung BSI CERT-Bund (WID) · Dec 9, 2024
- ELSA-2020-5569 Important: Unbreakable Enterprise kernel security update (Oracle Linux 7) Oracle Linux Security Advisories (ELSA) · Mar 15, 2020
- ELSA-2020-5559 Important: Unbreakable Enterprise kernel security update (Oracle Linux 7) Oracle Linux Security Advisories (ELSA) · Mar 5, 2020
- ELSA-2020-5541 Important: Unbreakable Enterprise kernel security update (Oracle Linux 7) Oracle Linux Security Advisories (ELSA) · Feb 22, 2020
References
- https://syzkaller.appspot.com/bug?id=c0203bd72037d07493f4b7562411e4f5f4553a8f
- [oss-security] 20190820 Linux kernel: multiple vulnerabilities in the USB subsystem x2 mailing-list
- [oss-security] 20190821 Re: Linux kernel: multiple vulnerabilities in the USB subsystem x2 mailing-list
- https://security.netapp.com/advisory/ntap-20190905-0002/
- openSUSE-SU-2019:2307 vendor-advisory
- openSUSE-SU-2019:2308 vendor-advisory
- 20200109 [slackware-security] Slackware 14.2 kernel (SSA:2020-008-01) mailing-list
- http://packetstormsecurity.com/files/155890/Slackware-Security-Advisory-Slackware-14.2-kernel-Updates.html
- [debian-lts-announce] 20200118 [SECURITY] [DLA 2068-1] linux security update mailing-list
- USN-4254-1 vendor-advisory
- USN-4254-2 vendor-advisory
- USN-4258-1 vendor-advisory
- USN-4287-1 vendor-advisory
- USN-4287-2 vendor-advisory
- [debian-lts-announce] 20200302 [SECURITY] [DLA 2114-1] linux-4.9 security update mailing-list
- USN-4284-1 vendor-advisory