CVE-2023-53553 (GCVE-0-2023-53553)

Vulnerability from cvelistv5 – Published: 2025-10-04 15:16 – Updated: 2025-10-04 15:16
VLAI?
Title
HID: hyperv: avoid struct memcpy overrun warning
Summary
In the Linux kernel, the following vulnerability has been resolved: HID: hyperv: avoid struct memcpy overrun warning A previous patch addressed the fortified memcpy warning for most builds, but I still see this one with gcc-9: In file included from include/linux/string.h:254, from drivers/hid/hid-hyperv.c:8: In function 'fortify_memcpy_chk', inlined from 'mousevsc_on_receive' at drivers/hid/hid-hyperv.c:272:3: include/linux/fortify-string.h:583:4: error: call to '__write_overflow_field' declared with attribute warning: detected write beyond size of field (1st parameter); maybe use struct_group()? [-Werror=attribute-warning] 583 | __write_overflow_field(p_size_field, size); | ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~ My guess is that the WARN_ON() itself is what confuses gcc, so it no longer sees that there is a correct range check. Rework the code in a way that helps readability and avoids the warning.
Severity ?
No CVSS data available.
Assigner
References
Impacted products
Vendor Product Version
Linux Linux Affected: 542f25a94471570e2594be5b422b9ca572cf88a1 , < a7902cc5f5b9c95997017c8e309da760fb1deb6e (git)
Affected: 542f25a94471570e2594be5b422b9ca572cf88a1 , < 5f151364b1da6bd217632fd4ee8cc24eaf66a497 (git)
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    Linux Linux Affected: 6.2
Unaffected: 0 , < 6.2 (semver)
Unaffected: 6.4.5 , ≤ 6.4.* (semver)
Unaffected: 6.5 , ≤ * (original_commit_for_fix)
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          "value": "In the Linux kernel, the following vulnerability has been resolved:\n\nHID: hyperv: avoid struct memcpy overrun warning\n\nA previous patch addressed the fortified memcpy warning for most\nbuilds, but I still see this one with gcc-9:\n\nIn file included from include/linux/string.h:254,\n                 from drivers/hid/hid-hyperv.c:8:\nIn function \u0027fortify_memcpy_chk\u0027,\n    inlined from \u0027mousevsc_on_receive\u0027 at drivers/hid/hid-hyperv.c:272:3:\ninclude/linux/fortify-string.h:583:4: error: call to \u0027__write_overflow_field\u0027 declared with attribute warning: detected write beyond size of field (1st parameter); maybe use struct_group()? [-Werror=attribute-warning]\n  583 |    __write_overflow_field(p_size_field, size);\n      |    ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~\n\nMy guess is that the WARN_ON() itself is what confuses gcc, so it no\nlonger sees that there is a correct range check. Rework the code in a\nway that helps readability and avoids the warning."
        }
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      "providerMetadata": {
        "dateUpdated": "2025-10-04T15:16:59.091Z",
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        "shortName": "Linux"
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        {
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      "title": "HID: hyperv: avoid struct memcpy overrun warning",
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    "datePublished": "2025-10-04T15:16:59.091Z",
    "dateReserved": "2025-10-04T15:14:15.922Z",
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    "state": "PUBLISHED"
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