CVE-2025-61107: Null Pointer Dereference
FRRouting/frr from v4.0 through v10.4.1 was discovered to contain a NULL pointer dereference via the showvtyextprefprefsid function at ospfext.c. This vulnerability allows attackers to cause a Denial of Service (DoS) via a crafted LSA Update 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-2025-61107?
CVE-2025-61107 has a severity level that permits attackers to achieve Denial of Service (DoS) via NULL pointer dereference.
How do I fix CVE-2025-61107?
To fix CVE-2025-61107, update to a version of FRRouting greater than 10.4.1 or apply any provided security patches addressing this vulnerability.
What causes the CVE-2025-61107 vulnerability?
CVE-2025-61107 is caused by a NULL pointer dereference in the show_vty_ext_pref_pref_sid function located in ospf_ext.c.
Which versions of FRRouting are affected by CVE-2025-61107?
FRRouting from versions 4.0 to 10.4.1 are affected by CVE-2025-61107.
Can CVE-2025-61107 be exploited remotely?
Yes, CVE-2025-61107 can be exploited remotely via a crafted LSA Update packet.