Description
The usbip_recv_xbuff function in drivers/usb/usbip/usbip_common.c in the Linux kernel before 4.5.3 allows remote attackers to cause a denial of service (out-of-bounds write) or possibly have unspecified other impact via a crafted length value in a USB/IP packet.
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 | 4.5.2-1 | — |
| Debian 13 | linux | 4.5.2-1 | — |
| Debian 12 | linux | 4.5.2-1 | — |
| Debian 8 | linux | 3.16.7-ckt25-2+deb8u2 | DSA-3607-1 |
| Debian 7 | linux | 3.2.81-1 | DLA-516-1 |
Ubuntu
Security tracker ↗| Release | Package | Fixed in | Advisory |
|---|---|---|---|
| Ubuntu 24.04 LTS | linux-riscv +6 | No fix yet | — |
| Ubuntu 22.04 LTS | linux-riscv +2 | No fix yet | — |
| Ubuntu 20.04 LTS | linux-gke +4 | No fix yet | — |
| Ubuntu 18.04 LTS | linux-gcp +3 | No fix yet | — |
| Ubuntu 16.04 LTS | linux | 4.4.0-22.39 | USN-2965-1 |
| Ubuntu 16.04 LTS | linux-raspi2 | 4.4.0-1010.12 | USN-2965-3 |
| Ubuntu 16.04 LTS | linux-snapdragon | 4.4.0-1013.14 | USN-2965-4 |
Show 2 more (older releases, extended support, other products)Fewer releases
| Release | Package | Fixed in | Advisory |
|---|---|---|---|
| Ubuntu 14.04 LTS | linux | 3.13.0-87.133 | USN-2989-1 |
| Ubuntu 14.04 LTS | linux-lts-utopic | 3.16.0-73.95~14.04.1 | USN-3000-1 |
| Ubuntu 14.04 LTS | linux-lts-vivid | 3.19.0-61.69~14.04.1 | USN-3001-1 |
| Ubuntu 14.04 LTS | linux-lts-wily | 4.2.0-38.45~14.04.1 | USN-3002-1 |
| Ubuntu 14.04 LTS | linux-lts-xenial | 4.4.0-22.39~14.04.1 | USN-2965-2 |
| Ubuntu Pro 20.04 LTS | linux-azure-fde-5.15 | No fix yet | — |
SUSE
Security tracker ↗| Release | Package | Fixed in | Advisory |
|---|---|---|---|
| SLES 11 SP3 | kernel-ec2 +7 | 3.0.101-0.47.79.1 | SUSE-SU-2016:2245-1, SUSE-SU-2016:1203-1 |
Show 4 more (older releases, extended support, other products)Fewer releases
| Release | Package | Fixed in | Advisory |
|---|---|---|---|
| SUSE OpenStack Cloud 5 | kernel-ec2 +6 | 3.0.101-0.47.79.1 | SUSE-SU-2016:2245-1, SUSE-SU-2016:1203-1 |
| SUSE Manager Proxy 2.1 | kernel-ec2 +6 | 3.0.101-0.47.79.1 | SUSE-SU-2016:2245-1, SUSE-SU-2016:1203-1 |
| SUSE Manager 2.1 | kernel-ec2 +6 | 3.0.101-0.47.79.1 | SUSE-SU-2016:2245-1, SUSE-SU-2016:1203-1 |
| SUSE Linux Enterprise Point of Sale 11 SP3 | kernel-ec2 +6 | 3.0.101-0.47.86.1 | SUSE-SU-2016:2245-1 |
Public exploits
Exploit or proof-of-concept code for this vulnerability is publicly available, which lowers the bar for attackers. Treat it as a reason to patch sooner.
Third-party code, not reviewed by us. Public PoCs are sometimes fake or contain malware. Read the code first and run it only in an isolated lab, against systems you are authorised to test.
GitHub 1 repository
-
pqsec/uboatdemo ★ 5 · Mar 29, 2017
A demo server for CVE-2016-3955 (UBOAT)
Sources: PoC-in-GitHub, Metasploit Framework, Exploit-DB — updated daily. Only links are listed; no exploit code is hosted here.
Advisories 12
- USN-2989-1 linux vulnerabilities Ubuntu Security Notices (USN) · Apr 22, 2026
- USN-2965-1 linux vulnerabilities Ubuntu Security Notices (USN) · Apr 22, 2026
- DLA-516-1 linux - security update Debian Security (DSA / DLA) · Mar 9, 2026
- DSA-3607-1 linux - security update Debian Security (DSA / DLA) · Mar 9, 2026
- USN-3000-1 linux-lts-utopic vulnerabilities Ubuntu Security Notices (USN) · Feb 10, 2026
- USN-3001-1 linux-lts-vivid vulnerabilities Ubuntu Security Notices (USN) · Feb 10, 2026
- USN-3002-1 linux-lts-wily vulnerabilities Ubuntu Security Notices (USN) · Feb 10, 2026
- USN-2965-2 linux-lts-xenial vulnerabilities Ubuntu Security Notices (USN) · Feb 10, 2026
- USN-2965-3 linux-raspi2 vulnerabilities Ubuntu Security Notices (USN) · Feb 10, 2026
- USN-2965-4 linux-snapdragon vulnerability Ubuntu Security Notices (USN) · Feb 10, 2026
- SUSE-SU-2016:1203-1 Security update for the Linux Kernel SUSE / openSUSE Security Updates · Feb 4, 2026
- SUSE-SU-2016:2245-1 Security update for the Linux Kernel SUSE / openSUSE Security Updates · May 2, 2025
References
- USN-3004-1 vendor-advisory
- USN-3001-1 vendor-advisory
- https://github.com/torvalds/linux/commit/b348d7dddb6c4fbfc810b7a0626e8ec9e29f7cbb
- openSUSE-SU-2016:1641 vendor-advisory
- USN-2997-1 vendor-advisory
- USN-3000-1 vendor-advisory
- http://www.kernel.org/pub/linux/kernel/v4.x/ChangeLog-4.5.3
- DSA-3607 vendor-advisory
- USN-3002-1 vendor-advisory
- USN-2996-1 vendor-advisory
- http://git.kernel.org/cgit/linux/kernel/git/torvalds/linux.git/commit/?id=b348d7dddb6c4fbfc810b7a0626e8ec9e29f7cbb
- https://bugzilla.redhat.com/show_bug.cgi?id=1328478
- USN-2989-1 vendor-advisory
- USN-3003-1 vendor-advisory
- 86534 vdb-entry
- USN-2998-1 vendor-advisory
- [oss-security] 20160419 CVE Request: Linux kernel: remote buffer overflow in usbip mailing-list