Description
Integer signedness error in the oz_hcd_get_desc_cnf function in drivers/staging/ozwpan/ozhcd.c in the OZWPAN driver in the Linux kernel through 4.0.5 allows remote attackers to cause a denial of service (system crash) or possibly execute arbitrary code via a crafted 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 | 4.1.3-1 | — |
| Debian 13 | linux | 4.1.3-1 | — |
| Debian 12 | linux | 4.1.3-1 | — |
Ubuntu
Security tracker ↗| Release | Package | Fixed in | Advisory |
|---|---|---|---|
| Ubuntu 14.04 LTS | linux | 3.13.0-57.95 | USN-2663-1 |
| Ubuntu 14.04 LTS | linux-lts-utopic | 3.16.0-43.58~14.04.1 | USN-2664-1 |
| Ubuntu 14.04 LTS | linux-lts-vivid | 3.19.0-22.22~14.04.1 | USN-2665-1 |
Advisories 3
- USN-2663-1 linux vulnerabilities Ubuntu Security Notices (USN) · Apr 22, 2026
- USN-2664-1 linux-lts-utopic vulnerabilities Ubuntu Security Notices (USN) · Feb 10, 2026
- USN-2665-1 linux-lts-vivid vulnerabilities Ubuntu Security Notices (USN) · Feb 10, 2026
References
- USN-2665-1 vendor-advisory
- 74672 vdb-entry
- http://git.kernel.org/cgit/linux/kernel/git/torvalds/linux.git/commit/?id=b1bb5b49373b61bf9d2c73a4d30058ba6f069e4c
- openSUSE-SU-2015:1382 vendor-advisory
- https://github.com/torvalds/linux/commit/b1bb5b49373b61bf9d2c73a4d30058ba6f069e4c
- [oss-security] 20150605 Re: CVE Request: Linux Kernel Ozwpan Driver - Remote packet-of-death vulnerabilities mailing-list
- USN-2667-1 vendor-advisory