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CVE-2024-36974— net/sched: taprio: always validate TCA_TAPRIO_ATTR_PRIOMAP

Quick assessment

Affected
Linux Linux
Exploitation
No confirmed in-the-wild exploitation; assess based on exposure
Recommended action
Check the vendor advisory and references for a fixed version. If immediate upgrade is impossible, restrict exposure and increase monitoring.

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，该漏洞源于没有验证 TCA_TAPRIO_ATTR_PRIOMAP。

CVSS 7.8 · High EPSS 0.28% · P20

Affected Version Matrix 16

VendorProduct Version RangeStatus
Linux Linux a3d43c0d56f1b94e74963a2fbadfb70126d92213< c6041e7124464ce7e896ee3f912897ce88a0c4ec affected
a3d43c0d56f1b94e74963a2fbadfb70126d92213< 6db4af09987cc5d5f0136bd46148b0e0460dae5b affected
a3d43c0d56f1b94e74963a2fbadfb70126d92213< d3dde4c217f0c31ab0621912e682b57e677dd923 affected
a3d43c0d56f1b94e74963a2fbadfb70126d92213< 0bf6cc96612bd396048f57d63f1ad454a846e39c affected
a3d43c0d56f1b94e74963a2fbadfb70126d92213< 724050ae4b76e4fae05a923cb54101d792cf4404 affected
a3d43c0d56f1b94e74963a2fbadfb70126d92213< c37a27a35eadb59286c9092c49c241270c802ae2 affected
a3d43c0d56f1b94e74963a2fbadfb70126d92213< f921a58ae20852d188f70842431ce6519c4fdc36 affected
5.2 affected
… +8 more rows
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I. Basic Information for CVE-2024-36974

Vulnerability Information
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Vulnerability Title
net/sched: taprio: always validate TCA_TAPRIO_ATTR_PRIOMAP
Source: CVE Program / CVE List V5
Vulnerability Description
In the Linux kernel, the following vulnerability has been resolved: net/sched: taprio: always validate TCA_TAPRIO_ATTR_PRIOMAP If one TCA_TAPRIO_ATTR_PRIOMAP attribute has been provided, taprio_parse_mqprio_opt() must validate it, or userspace can inject arbitrary data to the kernel, the second time taprio_change() is called. First call (with valid attributes) sets dev->num_tc to a non zero value. Second call (with arbitrary mqprio attributes) returns early from taprio_parse_mqprio_opt() and bad things can happen.
Source: CVE Program / CVE List V5
CVSS Information
CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
Source: CVE Program / CVE List V5
Vulnerability Type
N/A
Source: CVE Program / CVE List V5
Vulnerability Title
Linux kernel 安全漏洞
Source: CNNVD (China National Vulnerability Database)
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，该漏洞源于没有验证 TCA_TAPRIO_ATTR_PRIOMAP。
Source: CNNVD (China National Vulnerability Database)
CVSS Information
N/A
Source: CNNVD (China National Vulnerability Database)
Vulnerability Type
N/A
Source: CNNVD (China National Vulnerability Database)

Affected Products

Vendor Product Affected Versions CPE Subscribe
Linux Linux a3d43c0d56f1b94e74963a2fbadfb70126d92213 ~ c6041e7124464ce7e896ee3f912897ce88a0c4ec -
Linux Linux 5.2 -

II. Public POCs for CVE-2024-36974

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III. Intelligence Information for CVE-2024-36974

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Other References for CVE-2024-36974 (5)

Same Patch Batch · Linux · 2024-06-18 · 4 CVEs total

CVE-2024-36977 7.8 HIGH usb: dwc3: Wait unconditionally after issuing EndXfer command
CVE-2024-36976 Revert "media: v4l2-ctrls: show all owned controls in log_status"
CVE-2024-36975 KEYS: trusted: Do not use WARN when encode fails

IV. Related Vulnerabilities

Same product: Linux
Same vendor: Linux

V. Comments for CVE-2024-36974

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