CVE-2025-61104: Null Pointer Dereference
FRRouting/frr from v4.0 through v10.4.1 was discovered to contain a NULL pointer dereference via the showvtyunknowntlv function at ospfext.c. This vulnerability allows attackers to cause a Denial of Service (DoS) via a crafted OSPF packet.
Affected Software
Remediation
Recommended actions to resolve this vulnerability, in priority order.
- Upgrade
Upgrade
ubuntu/frrto a version that resolves this vulnerability.Fixed in 8.1-1ubuntu1.14 - Upgrade
Upgrade
ubuntu/frrto a version that resolves this vulnerability.Fixed in 8.4.4-1.1ubuntu6.5 - Upgrade
Upgrade
ubuntu/frrto a version that resolves this vulnerability.Fixed in 10.4.1-3ubuntu1.1 - Upgrade
Upgrade
ubuntu/frrto a version that resolves this vulnerability.Fixed in 10.5.1-1ubuntu2 - Upgrade
Upgrade
debian/frrto a version that resolves this vulnerability.Fixed in 8.4.4-1.1~deb12u2Fixed in 10.3-3+deb13u1Fixed in 10.7.1-7
Event History
Frequently Asked Questions
What is the severity of CVE-2025-61104?
CVE-2025-61104 has been classified as a Denial of Service (DoS) vulnerability.
How do I fix CVE-2025-61104?
To fix CVE-2025-61104, update to FRRouting version 10.4.2 or later.
What causes the vulnerability in CVE-2025-61104?
The vulnerability in CVE-2025-61104 is caused by a NULL pointer dereference in the show_vty_unknown_tlv function.
Which versions of FRRouting are affected by CVE-2025-61104?
FRRouting versions from 4.0 through 10.4.1 are affected by CVE-2025-61104.
What impact does CVE-2025-61104 have on network operations?
CVE-2025-61104 can cause a Denial of Service (DoS), disrupting network operations when exploited.