PT-2026-116973 · Linux · Linux
CVE-2026-98754
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Published
2026-10-18
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Updated
2026-10-18
None
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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.
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Related Identifiers
Affected Products
Linux