CVE-2025-22023— 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xhci驱动处理Stopped - Length Invalid事件不当。
可能的 ATT&CK 技术 1 AI
T1203 · Exploitation for Client Execution影响版本矩阵 10
| 厂商 | 产品 | 版本范围 | 状态 |
|---|---|---|---|
| Linux | Linux | d56b0b2ab142940b06eac56dcb3ab1ab88df38a2< 6af20ac254cbd0e1178a3542767c9308e209eee5 |
affected |
d56b0b2ab142940b06eac56dcb3ab1ab88df38a2< 49cf6f5293aeb706dd672608478336a003f37df6 |
affected | ||
d56b0b2ab142940b06eac56dcb3ab1ab88df38a2< de9e78167f760a699806793d7c987239e4f6c8c3 |
affected | ||
d56b0b2ab142940b06eac56dcb3ab1ab88df38a2< 58d0a3fab5f4fdc112c16a4c6d382f62097afd1c |
affected | ||
6.11 |
affected | ||
< 6.11 |
unaffected | ||
6.12.22≤ 6.12.* |
unaffected | ||
6.13.10≤ 6.13.* |
unaffected | ||
| … +2 条更多 | |||
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一、 漏洞 CVE-2025-22023 基础信息
漏洞信息
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Vulnerability Title
usb: xhci: Don't skip on Stopped - Length Invalid
来源: CVE Program / CVE List V5
Vulnerability Description
In the Linux kernel, the following vulnerability has been resolved:
usb: xhci: Don't skip on Stopped - Length Invalid
Up until commit d56b0b2ab142 ("usb: xhci: ensure skipped isoc TDs are
returned when isoc ring is stopped") in v6.11, the driver didn't skip
missed isochronous TDs when handling Stoppend and Stopped - Length
Invalid events. Instead, it erroneously cleared the skip flag, which
would cause the ring to get stuck, as future events won't match the
missed TD which is never removed from the queue until it's cancelled.
This buggy logic seems to have been in place substantially unchanged
since the 3.x series over 10 years ago, which probably speaks first
and foremost about relative rarity of this case in normal usage, but
by the spec I see no reason why it shouldn't be possible.
After d56b0b2ab142, TDs are immediately skipped when handling those
Stopped events. This poses a potential problem in case of Stopped -
Length Invalid, which occurs either on completed TDs (likely already
given back) or Link and No-Op TRBs. Such event won't be recognized
as matching any TD (unless it's the rare Link TRB inside a TD) and
will result in skipping all pending TDs, giving them back possibly
before they are done, risking isoc data loss and maybe UAF by HW.
As a compromise, don't skip and don't clear the skip flag on this
kind of event. Then the next event will skip missed TDs. A downside
of not handling Stopped - Length Invalid on a Link inside a TD is
that if the TD is cancelled, its actual length will not be updated
to account for TRBs (silently) completed before the TD was stopped.
I had no luck producing this sequence of completion events so there
is no compelling demonstration of any resulting disaster. It may be
a very rare, obscure condition. The sole motivation for this patch
is that if such unlikely event does occur, I'd rather risk reporting
a cancelled partially done isoc frame as empty than gamble with UAF.
This will be fixed more properly by looking at Stopped event's TRB
pointer when making skipping decisions, but such rework is unlikely
to be backported to v6.12, which will stay around for a few years.
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xhci驱动处理Stopped - Length Invalid事件不当。
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-2025-22023 的公开POC
| # | POC 描述 | 源链接 | 神龙链接 |
|---|
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CVE-2025-22023 补丁与修复 (4)
同批安全公告 · Linux · 2025-04-16 · 共 127 条
| CVE-2025-22021 | 10.0 CRITICAL | Linux kernel 安全漏洞 |
| CVE-2025-22077 | 9.8 CRITICAL | Linux kernel 安全漏洞 |
| CVE-2025-22088 | 9.8 CRITICAL | Linux kernel 安全漏洞 |
| CVE-2025-22110 | 9.8 CRITICAL | Linux kernel 安全漏洞 |
| CVE-2025-22118 | 8.8 HIGH | Linux kernel 安全漏洞 |
| CVE-2025-22040 | 8.8 HIGH | Linux kernel 安全漏洞 |
| CVE-2025-22041 | 8.8 HIGH | Linux kernel 安全漏洞 |
| CVE-2025-22039 | 8.8 HIGH | Linux kernel 安全漏洞 |
| CVE-2024-58096 | 8.8 HIGH | Linux kernel 安全漏洞 |
| CVE-2025-22086 | 8.8 HIGH | Linux kernel 安全漏洞 |
| CVE-2025-22074 | 8.8 HIGH | Linux kernel 安全漏洞 |
| CVE-2025-23133 | 8.8 HIGH | Linux kernel 安全漏洞 |
| CVE-2025-22117 | 8.7 HIGH | Linux kernel 安全漏洞 |
| CVE-2025-22108 | 8.6 HIGH | Linux kernel 安全漏洞 |
| CVE-2025-22121 | 8.4 HIGH | Linux kernel 安全漏洞 |
| CVE-2025-22080 | 8.4 HIGH | Linux kernel 安全漏洞 |
| CVE-2025-22038 | 8.3 HIGH | Linux kernel 安全漏洞 |
| CVE-2025-22042 | 8.1 HIGH | Linux kernel 安全漏洞 |
| CVE-2025-22043 | 8.1 HIGH | Linux kernel 安全漏洞 |
| CVE-2025-22047 | 7.8 HIGH | Linux kernel 安全漏洞 |
显示前 20 条，共 127 条。 查看全部 → →
IV. Related Vulnerabilities
V. Comments for CVE-2025-22023
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