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CVE-2026-43058— media: vidtv: fix pass-by-value structs causing MSAN warnings

AI Predicted 5.5 Difficulty: Theoretical EPSS 0.03% · P9

Affected Version Matrix 14

VendorProductVersion RangeStatus
LinuxLinuxf90cf6079bf67988f8b1ad1ade70fc89d0080905< e3957eb26a3d570aefc6bb184fa8b8a1e9a4e508affected
f90cf6079bf67988f8b1ad1ade70fc89d0080905< be57e52e27c7cbfb400a8f255e475cbcff242baaaffected
f90cf6079bf67988f8b1ad1ade70fc89d0080905< 6d75a9ec5bdb8cf8382eaf8f8fe831ba7d58a9d4affected
f90cf6079bf67988f8b1ad1ade70fc89d0080905< 57b01d945ed68cebe486d495dadc4901a96d3aaaaffected
f90cf6079bf67988f8b1ad1ade70fc89d0080905< 1b2820c8a9887981634020db19f1a2425558b88eaffected
f90cf6079bf67988f8b1ad1ade70fc89d0080905< 5f8e73bde67e931468bc2a1860d78d72f0c6ba41affected
5.10affected
< 5.10unaffected
… +6 more rows
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I. Basic Information for CVE-2026-43058

Vulnerability Information
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Vulnerability Title
media: vidtv: fix pass-by-value structs causing MSAN warnings
Source: NVD (National Vulnerability Database)
Vulnerability Description
In the Linux kernel, the following vulnerability has been resolved: media: vidtv: fix pass-by-value structs causing MSAN warnings vidtv_ts_null_write_into() and vidtv_ts_pcr_write_into() take their argument structs by value, causing MSAN to report uninit-value warnings. While only vidtv_ts_null_write_into() has triggered a report so far, both functions share the same issue. Fix by passing both structs by const pointer instead, avoiding the stack copy of the struct along with its MSAN shadow and origin metadata. The functions do not modify the structs, which is enforced by the const qualifier.
Source: NVD (National Vulnerability Database)
CVSS Information
N/A
Source: NVD (National Vulnerability Database)
Vulnerability Type
N/A
Source: NVD (National Vulnerability Database)
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vidtv_ts_null_write_into和vidtv_ts_pcr_write_into函数按值传递结构体，可能导致MSAN报告未初始化值警告。
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

VendorProductAffected VersionsCPESubscribe
LinuxLinux f90cf6079bf67988f8b1ad1ade70fc89d0080905 ~ e3957eb26a3d570aefc6bb184fa8b8a1e9a4e508 -
LinuxLinux 5.10 -

II. Public POCs for CVE-2026-43058

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III. Intelligence Information for CVE-2026-43058

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Patch · 6

IV. Related Vulnerabilities

Same product: Linux
Same vendor: Linux

V. Comments for CVE-2026-43058

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