Description
The ims_pcu_parse_cdc_data function in drivers/input/misc/ims-pcu.c in the Linux kernel before 4.5.1 allows physically proximate attackers to cause a denial of service (system crash) via a USB device without both a master and a slave interface.
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 | 4.5.1-1 | — |
| Debian 13 | linux | 4.5.1-1 | — |
| Debian 12 | linux | 4.5.1-1 | — |
Ubuntu
Security tracker ↗| Release | Package | Fixed in | Advisory |
|---|---|---|---|
| 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 |
| Ubuntu 14.04 LTS | linux | 3.13.0-86.130 | USN-2968-1 |
| 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 | 3.19.0-59.65~14.04.1 | USN-2970-1 |
| Ubuntu 14.04 LTS | linux-lts-wily | 4.2.0-36.41~14.04.1 | USN-2971-2 |
| Ubuntu 14.04 LTS | linux-lts-xenial | 4.4.0-22.39~14.04.1 | USN-2965-2 |
SUSE
Security tracker ↗| Release | Package | Fixed in | Advisory |
|---|---|---|---|
| SLES 12 SP1 | kernel-docs | 3.12.59-60.41.8 | SUSE-SU-2016:1696-1 |
| SLES 12 SP1 | kernel-syms | 3.12.59-60.41.1 | SUSE-SU-2016:1696-1 |
| SLES 12 SP1 | kernel-xen +3 | 3.12.59-60.41.2 | SUSE-SU-2016:1696-1 |
| SLES 12 | kernel-docs | 3.12.60-52.49.3 | SUSE-SU-2016:1690-1 |
| SLES 12 | kernel-ec2 | 3.12.59-60.41.2 | SUSE-SU-2016:1696-1, SUSE-SU-2016:1690-1 |
| SLES 12 | kernel-xen +4 | 3.12.60-52.49.1 | SUSE-SU-2016:1690-1 |
Show 4 more (older releases, extended support, other products)Fewer releases
| Release | Package | Fixed in | Advisory |
|---|---|---|---|
| SLES for SAP 12 SP1 | kernel-syms | 3.12.59-60.41.1 | SUSE-SU-2016:1696-1 |
| SLES for SAP 12 SP1 | kernel-xen +2 | 3.12.59-60.41.2 | SUSE-SU-2016:1696-1 |
| SLES for SAP 12 | kernel-xen +3 | 3.12.60-52.49.1 | SUSE-SU-2016:1690-1 |
| SLE Real Time 12 SP1 | kernel-rt +5 | 3.12.58-14.1 | SUSE-SU-2016:1764-1 |
| SLE Live Patching 12 | kgraft-patch-SLE12_Update_14 +1 | 1-2.1 | SUSE-SU-2016:1696-1, SUSE-SU-2016:1690-1 |
openSUSE
Security tracker ↗| Release | Package | Fixed in | Advisory |
|---|---|---|---|
| openSUSE Tumbleweed | kernel-source | 4.8.13-1.1 | openSUSE-SU-2024:10128-1 |
Advisories 12
- USN-2965-1 linux vulnerabilities Ubuntu Security Notices (USN) · Apr 22, 2026
- USN-2968-1 linux vulnerabilities Ubuntu Security Notices (USN) · Apr 22, 2026
- USN-3000-1 linux-lts-utopic 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
- USN-2970-1 linux-lts-vivid vulnerabilities Ubuntu Security Notices (USN) · Feb 10, 2026
- USN-2971-2 linux-lts-wily vulnerabilities Ubuntu Security Notices (USN) · Feb 10, 2026
- openSUSE-SU-2024:10128-1 kernel-debug-4.8.13-1.1 on GA media SUSE / openSUSE Security Updates · Feb 4, 2026
- SUSE-SU-2016:1764-1 Security update for the Linux Kernel SUSE / openSUSE Security Updates · Feb 4, 2026
- SUSE-SU-2016:1696-1 Security update for the Linux Kernel SUSE / openSUSE Security Updates · Feb 4, 2026
- SUSE-SU-2016:1690-1 Security update for the Linux Kernel SUSE / openSUSE Security Updates · May 2, 2025
References
- USN-2971-2 vendor-advisory
- SUSE-SU-2016:1690 vendor-advisory
- https://bugzilla.novell.com/show_bug.cgi?id=971628
- SUSE-SU-2016:1696 vendor-advisory
- USN-2970-1 vendor-advisory
- 1035441 vdb-entry
- https://github.com/torvalds/linux/commit/a0ad220c96692eda76b2e3fd7279f3dcd1d8a8ff
- http://git.kernel.org/cgit/linux/kernel/git/torvalds/linux.git/commit/?id=a0ad220c96692eda76b2e3fd7279f3dcd1d8a8ff
- USN-2968-1 vendor-advisory
- https://bugzilla.redhat.com/show_bug.cgi?id=1320060
- USN-2971-3 vendor-advisory
- SUSE-SU-2016:1764 vendor-advisory
- USN-3000-1 vendor-advisory
- USN-2971-1 vendor-advisory
- USN-2968-2 vendor-advisory
- openSUSE-SU-2016:1382 vendor-advisory
- http://www.kernel.org/pub/linux/kernel/v4.x/ChangeLog-4.5.1
- [oss-security] 20160330 Re: CVE request -- linux kernel: crash on invalid USB device descriptors (ims-pcu driver) mailing-list