Description
Heap-based buffer overflow in the wdm_in_callback function in drivers/usb/class/cdc-wdm.c in the Linux kernel before 3.8.4 allows physically proximate attackers to cause a denial of service (system crash) or possibly execute arbitrary code via a crafted cdc-wdm USB device.
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 | 3.2.41-1 | — |
| Debian 13 | linux | 3.2.41-1 | — |
| Debian 12 | linux | 3.2.41-1 | — |
| Debian 6.0 | linux-2.6 | 2.6.32-48squeeze3 | DSA-2668-1 |
Red Hat
Security tracker ↗| Release | Package | Fixed in | Advisory |
|---|---|---|---|
| RHEL 6 | perf +16 | 2.6.32-431.11.2.el6 | RHSA-2014:0328 |
| RHEL 6 | rhev-hypervisor6 | 6.5-20140324.0.el6ev | RHSA-2014:0339 |
Show 1 more (older releases, extended support, other products)Fewer releases
| Release | Package | Fixed in | Advisory |
|---|---|---|---|
| Red Hat MRG 2 | kernel-rt +11 | 3.6.11.2-rt33.39.el6rt | RHSA-2013:0829 |
Advisories 4
- RHSA-2014:0328 Red Hat Security Advisory: kernel security and bug fix update Red Hat Security Advisories (RHSA) · Jun 28, 2026
- RHSA-2014:0339 Red Hat Security Advisory: rhev-hypervisor6 security update Red Hat Security Advisories (RHSA) · Jun 28, 2026
- RHSA-2013:0829 Red Hat Security Advisory: kernel-rt security and bug fix update Red Hat Security Advisories (RHSA) · Jun 28, 2026
- DSA-2668-1 linux-2.6 - several Debian Security (DSA / DLA) · Mar 9, 2026
References
- https://github.com/torvalds/linux/commit/c0f5ecee4e741667b2493c742b60b6218d40b3aa
- https://bugzilla.redhat.com/show_bug.cgi?id=921970
- USN-1812-1 vendor-advisory
- http://git.kernel.org/?p=linux/kernel/git/torvalds/linux-2.6.git%3Ba=commit%3Bh=c0f5ecee4e741667b2493c742b60b6218d40b3aa
- RHSA-2014:0328 vendor-advisory
- MDVSA-2013:176 vendor-advisory
- USN-1829-1 vendor-advisory
- [oss-security] 20130314 Re: CVE Request/Guidance: Linux kernel cdc-wdm buffer overflow triggered by device mailing-list
- 58510 vdb-entry
- USN-1809-1 vendor-advisory
- USN-1814-1 vendor-advisory
- RHSA-2014:0339 vendor-advisory
- USN-1813-1 vendor-advisory
- http://www.kernel.org/pub/linux/kernel/v3.x/ChangeLog-3.8.4
- USN-1811-1 vendor-advisory