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CVE-2019-25162— i2c: Fix a potential use after free

Quick assessment

Affected
Linux Linux
Exploitation
Public or AI PoC available; prioritize validation
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，该漏洞源于存在释放后重用漏洞。

CVSS 7.8 · High EPSS 0.38% · P30

Possible ATT&CK Techniques 1 AI

T1190 · Exploit Public-Facing Application

Affected Version Matrix 18

VendorProduct Version RangeStatus
Linux Linux 611e12ea0f121a31d9e9c4ce2a18a77abc2f28d6< e6412ba3b6508bdf9c074d310bf4144afa6aec1a affected
611e12ea0f121a31d9e9c4ce2a18a77abc2f28d6< 23a191b132cd87f746c62f3dc27da33683d85829 affected
611e12ea0f121a31d9e9c4ce2a18a77abc2f28d6< 871a1e94929a27bf6e2cd99523865c840bbc2d87 affected
611e12ea0f121a31d9e9c4ce2a18a77abc2f28d6< 81cb31756888bb062e92d2dca21cd629d77a46a9 affected
611e12ea0f121a31d9e9c4ce2a18a77abc2f28d6< 35927d7509ab9bf41896b7e44f639504eae08af7 affected
611e12ea0f121a31d9e9c4ce2a18a77abc2f28d6< e8e1a046cf87c8b1363e5de835114f2779e2aaf4 affected
611e12ea0f121a31d9e9c4ce2a18a77abc2f28d6< 12b0606000d0828630c033bf0c74c748464fe87d affected
611e12ea0f121a31d9e9c4ce2a18a77abc2f28d6< e4c72c06c367758a14f227c847f9d623f1994ecf affected
… +10 more rows
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I. Basic Information for CVE-2019-25162

Vulnerability Information
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Vulnerability Title
i2c: Fix a potential use after free
Source: CVE Program / CVE List V5
Vulnerability Description
In the Linux kernel, the following vulnerability has been resolved: i2c: Fix a potential use after free Free the adap structure only after we are done using it. This patch just moves the put_device() down a bit to avoid the use after free. [wsa: added comment to the code, added Fixes tag]
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，该漏洞源于存在释放后重用漏洞。
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 611e12ea0f121a31d9e9c4ce2a18a77abc2f28d6 ~ e6412ba3b6508bdf9c074d310bf4144afa6aec1a -
Linux Linux 4.3 -

II. Public POCs for CVE-2019-25162

# POC Description Source Link Shenlong Link
1 None https://github.com/uthrasri/CVE-2019-25162 POC Details
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III. Intelligence Information for CVE-2019-25162

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Other References for CVE-2019-25162 (8)

Same Patch Batch · Linux · 2024-02-26 · 6 CVEs total

CVE-2019-25160 9.1 CRITICAL netlabel: fix out-of-bounds memory accesses
CVE-2023-52474 7.8 HIGH IB/hfi1: Fix bugs with non-PAGE_SIZE-end multi-iovec user SDMA requests
CVE-2024-26606 binder: signal epoll threads of self-work
CVE-2020-36775 f2fs: fix to avoid potential deadlock
CVE-2021-46906 HID: usbhid: fix info leak in hid_submit_ctrl

IV. Related Vulnerabilities

Same product: Linux
Same vendor: Linux

V. Comments for CVE-2019-25162

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