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Описание
Оригинално описание
In the Linux kernel, the following vulnerability has been resolved: tty: vcc: hold port lock when clearing tty pointer in vcc_cleanup vcc_cleanup() sets port->tty to NULL without holding port->lock, racing with vcc_event() LDC callbacks that read port->tty under port->lock and then use tty->port. This can cause a use-after-free when the callback dereferences tty->port after cleanup has already destroyed and freed it.
Засегнати продукти
- Linux Linux: 8f03f948ba356b7cb254b45a4e78b5b3d86fd3bb преди b0ad9d025c3229a628a82fbaa7578891075a950d; 8f03f948ba356b7cb254b45a4e78b5b3d86fd3bb преди b193617080b7036d143674089bcfb7d2ba3db588; 8f03f948ba356b7cb254b45a4e78b5b3d86fd3bb преди afcbb821c571f39b273127a7c7d26cb2cef27d2f; 8f03f948ba356b7cb254b45a4e78b5b3d86fd3bb преди 57753441ef84bee3bf0e9ee1e3778d119c44aa32; 8f03f948ba356b7cb254b45a4e78b5b3d86fd3bb преди 88f6ecb058801e9ce7b9aabc966530118d7cd53c; 8f03f948ba356b7cb254b45a4e78b5b3d86fd3bb преди 821050631750e982007c0856c119346edba51cae; 8f03f948ba356b7cb254b45a4e78b5b3d86fd3bb преди 1a9fb9eaeb69b1f6c00bed09289a33d9fe1e7ae4; 8f03f948ba356b7cb254b45a4e78b5b3d86fd3bb преди 03b49c991abb8d021ca6fe51cd173447236b0552
- Linux Linux: 4.14; преди 4.14; 5.10.273 до 5.10.*; 5.15.224 до 5.15.*; 6.1.191 до 6.1.*; 6.6.160 до 6.6.*; 6.12.113 до 6.12.*; 6.18.56 до 6.18.*; 7.2.10 до 7.2.*; от 7.3 нататък
История
- 18 октомври 2026 Публикувано
Други уязвимости в Linux Linux
Първоизточници
- https://www.cve.org/CVERecord?id=CVE-2026-98754
- https://nvd.nist.gov/vuln/detail/CVE-2026-98754
- https://git.kernel.org/stable/c/b0ad9d025c3229a628a82fbaa7578891075a950d
- https://git.kernel.org/stable/c/b193617080b7036d143674089bcfb7d2ba3db588
- https://git.kernel.org/stable/c/afcbb821c571f39b273127a7c7d26cb2cef27d2f
- https://git.kernel.org/stable/c/57753441ef84bee3bf0e9ee1e3778d119c44aa32
- https://git.kernel.org/stable/c/88f6ecb058801e9ce7b9aabc966530118d7cd53c
- https://git.kernel.org/stable/c/821050631750e982007c0856c119346edba51cae
- https://git.kernel.org/stable/c/1a9fb9eaeb69b1f6c00bed09289a33d9fe1e7ae4
- https://git.kernel.org/stable/c/03b49c991abb8d021ca6fe51cd173447236b0552