CVE-2026-98754None▾ SunlitIn 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 callback…
▾ Sunlit zone — Low / medium · no exploitation signal
impact 2.8 · likelihood 0 · exploitation 0
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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.
Linux >= 1da177e4c3f41524e886b7f1b8a0c1fc7321cac2 < 88f6ecb058801e9ce7b9aabc966530118d7cd53cLinux >= 1da177e4c3f41524e886b7f1b8a0c1fc7321cac2 < 821050631750e982007c0856c119346edba51caeLinux >= 1da177e4c3f41524e886b7f1b8a0c1fc7321cac2 < 1a9fb9eaeb69b1f6c00bed09289a33d9fe1e7ae4Linux >= 1da177e4c3f41524e886b7f1b8a0c1fc7321cac2 < 03b49c991abb8d021ca6fe51cd173447236b0552Linux < 6.12.113Linux < 6.18.56Linux < 7.2.10Linux (all versions)Refer to the linked advisories for vendor-supplied fixes and affected version ranges.
Connected by shared product, vendor, weakness, or advisory.
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