Description
A set of carefully crafted ipv6 packets can trigger an integer overflow in the calculation of a fragment reassembled packet's payload length field. This allows an attacker to trigger a kernel panic, resulting in a denial of service.
Affected products
| Vendor | Product | Affected | Fixed |
|---|---|---|---|
| FreeBSD | FreeBSD | 13.2-RELEASE – < 13.2-RELEASE-p2, 13.1-RELEASE – < 13.1-RELEASE-p9, 12.4-RELEASE – < 12.4-RELEASE-p4 | 13.2-RELEASE-p2 |
Advisories 1
- WID-SEC-2023-1943 FreeBSD Project FreeBSD OS: Schwachstelle ermöglicht Denial of Service BSI CERT-Bund (WID) · Aug 6, 2023