CVE-2026-23073— 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，该漏洞源于未设置驱动数据大小，可能导致内存损坏。
影响版本矩阵 16
| 厂商 | 产品 | 版本范围 | 状态 |
|---|---|---|---|
| Linux | Linux | dad0d04fa7ba41ce603a01e8e64967650303e9a2< 49ef094fdbc3526e5db2aebb404b84f79c5603dc |
affected |
dad0d04fa7ba41ce603a01e8e64967650303e9a2< 0d7c9e793e351cbbe9e06a9ca47d77b6ad288fb0 |
affected | ||
dad0d04fa7ba41ce603a01e8e64967650303e9a2< 7c54d0c3e2cad4300be721ec2aecfcf8a63bc9f4 |
affected | ||
dad0d04fa7ba41ce603a01e8e64967650303e9a2< 7761d7801f40e61069b4df3db88b36d80d089f8a |
affected | ||
dad0d04fa7ba41ce603a01e8e64967650303e9a2< 99129d80a5d4989ef8566f434f3589f60f28042b |
affected | ||
dad0d04fa7ba41ce603a01e8e64967650303e9a2< 31efbcff90884ea5f65bf3d1de01267db51ee3d1 |
affected | ||
dad0d04fa7ba41ce603a01e8e64967650303e9a2< 4f431d88ea8093afc7ba55edf4652978c5a68f33 |
affected | ||
3.15 |
affected | ||
| … +8 条更多 | |||
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一、 漏洞 CVE-2026-23073 基础信息
漏洞信息
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Vulnerability Title
wifi: rsi: Fix memory corruption due to not set vif driver data size
来源: CVE Program / CVE List V5
Vulnerability Description
In the Linux kernel, the following vulnerability has been resolved:
wifi: rsi: Fix memory corruption due to not set vif driver data size
The struct ieee80211_vif contains trailing space for vif driver data,
when struct ieee80211_vif is allocated, the total memory size that is
allocated is sizeof(struct ieee80211_vif) + size of vif driver data.
The size of vif driver data is set by each WiFi driver as needed.
The RSI911x driver does not set vif driver data size, no trailing space
for vif driver data is therefore allocated past struct ieee80211_vif .
The RSI911x driver does however use the vif driver data to store its
vif driver data structure "struct vif_priv". An access to vif->drv_priv
leads to access out of struct ieee80211_vif bounds and corruption of
some memory.
In case of the failure observed locally, rsi_mac80211_add_interface()
would write struct vif_priv *vif_info = (struct vif_priv *)vif->drv_priv;
vif_info->vap_id = vap_idx. This write corrupts struct fq_tin member
struct list_head new_flows . The flow = list_first_entry(head, struct
fq_flow, flowchain); in fq_tin_reset() then reports non-NULL bogus
address, which when accessed causes a crash.
The trigger is very simple, boot the machine with init=/bin/sh , mount
devtmpfs, sysfs, procfs, and then do "ip link set wlan0 up", "sleep 1",
"ip link set wlan0 down" and the crash occurs.
Fix this by setting the correct size of vif driver data, which is the
size of "struct vif_priv", so that memory is allocated and the driver
can store its driver data in it, instead of corrupting memory around
it.
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，该漏洞源于未设置驱动数据大小，可能导致内存损坏。
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-2026-23073 的公开POC
| # | POC 描述 | 源链接 | 神龙链接 |
|---|
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同批安全公告 · Linux · 2026-02-04 · 共 79 条
| CVE-2026-23098 | 8.8 HIGH | Linux kernel 安全漏洞 |
| CVE-2026-23066 | 7.8 HIGH | Linux kernel 安全漏洞 |
| CVE-2026-23074 | 7.8 HIGH | Linux kernel 安全漏洞 |
| CVE-2026-23077 | 7.8 HIGH | Linux kernel 安全漏洞 |
| CVE-2026-23105 | 7.8 HIGH | Linux kernel 安全漏洞 |
| CVE-2026-23103 | 7.8 HIGH | Linux kernel 安全漏洞 |
| CVE-2026-23095 | 7.5 HIGH | Linux kernel 安全漏洞 |
| CVE-2025-71192 | 7.0 HIGH | Linux kernel 安全漏洞 |
| CVE-2026-23065 | Linux kernel 安全漏洞 | |
| CVE-2026-23064 | Linux kernel 安全漏洞 | |
| CVE-2026-23067 | Linux kernel 安全漏洞 | |
| CVE-2026-23042 | Linux kernel 安全漏洞 | |
| CVE-2026-23059 | Linux kernel 安全漏洞 | |
| CVE-2026-23058 | Linux kernel 安全漏洞 | |
| CVE-2026-23057 | Linux kernel 安全漏洞 | |
| CVE-2026-23056 | Linux kernel 安全漏洞 | |
| CVE-2025-71199 | Linux kernel 安全漏洞 | |
| CVE-2025-71198 | Linux kernel 安全漏洞 | |
| CVE-2025-71197 | Linux kernel 安全漏洞 | |
| CVE-2026-23060 | Linux kernel 安全漏洞 |
显示前 20 条，共 79 条。 查看全部 → →
IV. Related Vulnerabilities
V. Comments for CVE-2026-23073
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