Description
A certain Debian patch to the IPv6 implementation in the Linux kernel 3.2.x through 3.2.63 does not properly validate arguments in ipv6_select_ident function calls, which allows local users to cause a denial of service (NULL pointer dereference and system crash) by leveraging (1) tun or (2) macvtap device access.
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 7 | linux | 3.2.63-2+deb7u1 | DSA-3060-1 |
Advisories 1
- DSA-3060-1 linux - security update Debian Security (DSA / DLA) · Mar 9, 2026
References
- USN-2418-1 vendor-advisory
- USN-2417-1 vendor-advisory
- DSA-3060 vendor-advisory
- [oss-security] 20141102 CVE-2014-7207 assignment: Debian-specific Linux 3.2 backport issue mailing-list
- https://bugs.debian.org/cgi-bin/bugreport.cgi?bug=766195
- 70867 vdb-entry