CVE-2025-68725— Linux kernel 安全漏洞
一分钟漏洞结论
影响对象
Linux Linux
利用判断
尚无明确在野利用证据，仍需结合暴露面评估
建议动作
优先检查厂商安全公告和参考链接中的修复版本；无法立即升级时，限制受影响服务暴露并加强监测。
Linux kernel是美国Linux基金会的开源操作系统Linux所使用的内核。 Linux kernel存在安全漏洞，该漏洞源于未设置gso_type，可能导致无效GSO类型被发送到堆栈。
可能的 ATT&CK 技术 1 AI
T1190 · Exploit Public-Facing Application影响版本矩阵 16
| 厂商 | 产品 | 版本范围 | 状态 |
|---|---|---|---|
| Linux | Linux | 850a88cc4096fe1df407452ba2e4d28cf5b3eee9< bb7902ed7d7f6d6a7c6c4dc25410d6127ce1085f |
affected |
850a88cc4096fe1df407452ba2e4d28cf5b3eee9< e0ffb64a2d72c6705b4a4c9efef600409f7e98a0 |
affected | ||
850a88cc4096fe1df407452ba2e4d28cf5b3eee9< 768376ece7036ecb8604961793a1b72afe6345dd |
affected | ||
850a88cc4096fe1df407452ba2e4d28cf5b3eee9< 8670b53b8ee91f028f7240531064020b7413c461 |
affected | ||
850a88cc4096fe1df407452ba2e4d28cf5b3eee9< 0f3a60869ca22024dfb9c6fce412b0c70cb4ea36 |
affected | ||
850a88cc4096fe1df407452ba2e4d28cf5b3eee9< fbea4c63b5385588cb44ab21f91e55e33c719a54 |
affected | ||
850a88cc4096fe1df407452ba2e4d28cf5b3eee9< 04a899573fb87273a656f178b5f920c505f68875 |
affected | ||
5.6 |
affected | ||
| … +8 条更多 | |||
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一、 漏洞 CVE-2025-68725 基础信息
漏洞信息
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Vulnerability Title
bpf: Do not let BPF test infra emit invalid GSO types to stack
来源: CVE Program / CVE List V5
Vulnerability Description
In the Linux kernel, the following vulnerability has been resolved:
bpf: Do not let BPF test infra emit invalid GSO types to stack
Yinhao et al. reported that their fuzzer tool was able to trigger a
skb_warn_bad_offload() from netif_skb_features() -> gso_features_check().
When a BPF program - triggered via BPF test infra - pushes the packet
to the loopback device via bpf_clone_redirect() then mentioned offload
warning can be seen. GSO-related features are then rightfully disabled.
We get into this situation due to convert___skb_to_skb() setting
gso_segs and gso_size but not gso_type. Technically, it makes sense
that this warning triggers since the GSO properties are malformed due
to the gso_type. Potentially, the gso_type could be marked non-trustworthy
through setting it at least to SKB_GSO_DODGY without any other specific
assumptions, but that also feels wrong given we should not go further
into the GSO engine in the first place.
The checks were added in 121d57af308d ("gso: validate gso_type in GSO
handlers") because there were malicious (syzbot) senders that combine
a protocol with a non-matching gso_type. If we would want to drop such
packets, gso_features_check() currently only returns feature flags via
netif_skb_features(), so one location for potentially dropping such skbs
could be validate_xmit_unreadable_skb(), but then otoh it would be
an additional check in the fast-path for a very corner case. Given
bpf_clone_redirect() is the only place where BPF test infra could emit
such packets, lets reject them right there.
来源: CVE Program / CVE List V5
CVSS Information
N/A
来源: CVE Program / CVE List V5
Vulnerability Type
N/A
来源: CVE Program / CVE List V5
Vulnerability Title
Linux kernel 安全漏洞
来源: 中国国家信息安全漏洞库 CNNVD
Vulnerability Description
Linux kernel是美国Linux基金会的开源操作系统Linux所使用的内核。 Linux kernel存在安全漏洞，该漏洞源于未设置gso_type，可能导致无效GSO类型被发送到堆栈。
来源: 中国国家信息安全漏洞库 CNNVD
CVSS Information
N/A
来源: 中国国家信息安全漏洞库 CNNVD
Vulnerability Type
N/A
来源: 中国国家信息安全漏洞库 CNNVD
受影响产品
二、漏洞 CVE-2025-68725 的公开POC
| # | POC 描述 | 源链接 | 神龙链接 |
|---|
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CVE-2025-68725 其他参考 (1)
同批安全公告 · Linux · 2025-12-24 · 共 322 条
| CVE-2025-68741 | 9.8 CRITICAL | Linux kernel 安全漏洞 |
| CVE-2025-68745 | 9.8 CRITICAL | Linux kernel 安全漏洞 |
| CVE-2022-50717 | 9.8 CRITICAL | Linux kernel 安全漏洞 |
| CVE-2023-54090 | 9.8 CRITICAL | Linux kernel 安全漏洞 |
| CVE-2023-54094 | 9.8 CRITICAL | Linux kernel 安全漏洞 |
| CVE-2023-53867 | 9.8 CRITICAL | Linux kernel 安全漏洞 |
| CVE-2025-68359 | 9.8 CRITICAL | Linux kernel 安全漏洞 |
| CVE-2025-68726 | 9.8 CRITICAL | Linux kernel 安全漏洞 |
| CVE-2023-54076 | 9.8 CRITICAL | Linux kernel 安全漏洞 |
| CVE-2023-53996 | 9.3 CRITICAL | Linux kernel 安全漏洞 |
| CVE-2023-54071 | 8.8 HIGH | Linux kernel 安全漏洞 |
| CVE-2025-68736 | 8.8 HIGH | Linux kernel 安全漏洞 |
| CVE-2023-54040 | 8.8 HIGH | Linux kernel 安全漏洞 |
| CVE-2023-54092 | 8.8 HIGH | Linux kernel 安全漏洞 |
| CVE-2022-50732 | 8.8 HIGH | Linux kernel 安全漏洞 |
| CVE-2023-54043 | 8.8 HIGH | Linux kernel 安全漏洞 |
| CVE-2023-54120 | 8.8 HIGH | Linux kernel 安全漏洞 |
| CVE-2023-54060 | 8.8 HIGH | Linux kernel 安全漏洞 |
| CVE-2023-53986 | 8.6 HIGH | Linux kernel 安全漏洞 |
| CVE-2022-50746 | 8.4 HIGH | Linux kernel 安全漏洞 |
显示前 20 条，共 322 条。 查看全部 → →
IV. Related Vulnerabilities
V. Comments for CVE-2025-68725
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