Description
Race condition in the inet_frag_intern function in net/ipv4/inet_fragment.c in the Linux kernel through 3.13.6 allows remote attackers to cause a denial of service (use-after-free error) or possibly have unspecified other impact via a large series of fragmented ICMP Echo Request packets to a system with a heavy CPU load.
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 | 3.13.6-1 | — |
| Debian 13 | linux | 3.13.6-1 | — |
| Debian 12 | linux | 3.13.6-1 | — |
Red Hat
Security tracker ↗| Release | Package | Fixed in | Advisory |
|---|---|---|---|
| Red Hat MRG 2 | kernel-rt +10 | 3.10.33-rt32.34.el6rt | RHSA-2014:0557 |
Advisories 1
- RHSA-2014:0557 Red Hat Security Advisory: kernel-rt security update Red Hat Security Advisories (RHSA) · Jun 28, 2026