An update of the frr package has been released.

Linux/Unix 主機上安裝了一個或多個受到弱點影響的套件，且供應商未提供可用的修補程式。

  - 發現從 v4.0 到 v10.4.1 的 FRRouting/frr 透過 ospf_ext.c 的 show_vty_ext_link_rmt_itf_addr 函式含有 NULL 指標解除參照。此弱點允許攻擊者透過特製的 OSPF 封包造成拒絕服務 (DoS)。 (CVE-2025-61101)

請注意，Nessus 的判定取決於廠商所報告的套件是否存在。

Linux/Unix 主机中安装的一个或多个程序包受到一个漏洞影响，而供应商没有提供补丁程序。

  - 发现 FRRouting/frr v4.0 到 v10.4.1 中存在通过 ospf_ext.c 中的 show_vty_ext_link_rmt_itf_addr 函数包含空指针取消引用。此漏洞允许攻击者通过构建的 OSPF 数据包造成拒绝服务 (DoS)。 (CVE-2025-61101)

请注意，Nessus 依赖供应商报告的程序包是否存在进行判断。

The Linux/Unix host has one or more packages installed that are impacted by a vulnerability without a vendor supplied patch available.

  - FRRouting/frr from v4.0 through v10.4.1 was discovered to contain a NULL pointer dereference via the     show_vty_ext_link_rmt_itf_addr function at ospf_ext.c. This vulnerability allows attackers to cause a     Denial of Service (DoS) via a crafted OSPF packet. (CVE-2025-61101)

Note that Nessus relies on the presence of the package as reported by the vendor.

The version of Tencent Linux installed on the remote TencentOS Server 4 host is prior to tested version. It is, therefore, affected by multiple vulnerabilities as referenced in the TSSA-2025:0853 advisory.

    Package updates are available for TencentOS Server 4 that fix the following vulnerabilities:

    CVE-2025-61107:
    FRRouting/frr from v4.0 through v10.4.1 was discovered to contain a NULL pointer dereference via the     show_vty_ext_pref_pref_sid function at ospf_ext.c. This vulnerability allows attackers to cause a Denial     of Service (DoS) via a crafted LSA Update packet.

    CVE-2025-61106:
    FRRouting/frr from v4.0 through v10.4.1 was discovered to contain a NULL pointer dereference via the     show_vty_ext_pref_pref_sid function at ospf_ext.c. This vulnerability allows attackers to cause a Denial     of Service (DoS) via a crafted OSPF packet.

    CVE-2025-61105:
    FRRouting/frr from v4.0 through v10.4.1 was discovered to contain a NULL pointer dereference via the     show_vty_link_info function at ospf_ext.c. This vulnerability allows attackers to cause a Denial of     Service (DoS) via a crafted OSPF packet.

    CVE-2025-61104:
    FRRouting/frr from v4.0 through v10.4.1 was discovered to contain a NULL pointer dereference via the     show_vty_unknown_tlv function at ospf_ext.c. This vulnerability allows attackers to cause a Denial of     Service (DoS) via a crafted OSPF packet.

    CVE-2025-61103:
    FRRouting/frr from v4.0 through v10.4.1 was discovered to contain a NULL pointer dereference via the     show_vty_ext_link_lan_adj_sid function at ospf_ext.c. This vulnerability allows attackers to cause a     Denial of Service (DoS) via a crafted OSPF packet.

    CVE-2025-61102:
    FRRouting/frr from v4.0 through v10.4.1 was discovered to contain a NULL pointer dereference via the     show_vty_ext_link_adj_sid function at ospf_ext.c. This vulnerability allows attackers to cause a Denial of     Service (DoS) via a crafted OSPF packet.

    CVE-2025-61101:
    FRRouting/frr from v4.0 through v10.4.1 was discovered to contain a NULL pointer dereference via the     show_vty_ext_link_rmt_itf_addr function at ospf_ext.c. This vulnerability allows attackers to cause a     Denial of Service (DoS) via a crafted OSPF packet.

    CVE-2025-61100:
    FRRouting/frr from v2.0 through v10.4.1 was discovered to contain a NULL pointer dereference via the     ospf_opaque_lsa_dump function at ospf_opaque.c. This vulnerability allows attackers to cause a Denial of     Service (DoS) under specific malformed LSA conditions.

    CVE-2025-61099:
    FRRouting/frr from v2.0 through v10.4.1 was discovered to contain a NULL pointer dereference via the     opaque_info_detail function at ospf_opaque.c. This vulnerability allows attackers to cause a Denial of     Service (DoS) via a crafted LS Update packet.

Tenable has extracted the preceding description block directly from the Tencent Linux security advisory.

Note that Nessus has not tested for these issues but has instead relied only on the application's self-reported version number.

Linux/Unix ホストには、ベンダーが提供するパッチが利用できない脆弱性の影響を受ける複数のパッケージがインストールされています。

  - v4.0 から v10.4.1 までの FRRouting/frr は、ospf_ext.c の show_vty_ext_link_rmt_itf_addr 関数を介して NULL ポインターデリファレンスを含むことが判明しました。この脆弱性により、攻撃者は細工された OSPF パケットを通じて、サービス拒否DoSを引き起こすことができます。CVE-2025-61101

Nessus は、ベンダーによって報告されたパッケージの存在に依存していることに注意してください。

ID	名稱	產品	系列	已發布	已更新	嚴重性
276939	Photon OS 4.0: Frr PHSA-2025-4.0-0915	Nessus	PhotonOS Local Security Checks	2025/12/1	2025/12/1	high
271817	Linux Distros 未修補的弱點：CVE-2025-61101	Nessus	Misc.	2025/10/28	2025/10/29	medium
271817	Linux Distros 未修补的漏洞：CVE-2025-61101	Nessus	Misc.	2025/10/28	2025/10/29	medium
271817	Linux Distros Unpatched Vulnerability : CVE-2025-61101	Nessus	Misc.	2025/10/28	2025/10/29	medium
276940	Photon OS 5.0: Frr PHSA-2025-5.0-0687	Nessus	PhotonOS Local Security Checks	2025/12/1	2025/12/1	high
275892	TencentOS Server 4: frr (TSSA-2025:0853)	Nessus	Tencent Local Security Checks	2025/11/20	2025/11/20	high
271817	Linux Distros のパッチ未適用の脆弱性: CVE-2025-61101	Nessus	Misc.	2025/10/28	2025/10/29	medium

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