Unity Linux 20.1060e / 20.1070e Security Update: kernel (UTSA-2026-004226)

The Unity Linux 20 host has a package installed that is affected by a vulnerability as referenced in the UTSA-2026-004226 advisory. A vulnerability was found in Linux Kernel where in the spkttyioreceivebuf2 function, it would dereference spkttyiosynth without checking whether it is NULL or not, a...

UBUNTU-CVE-2022-48870

In the Linux kernel, the following vulnerability has been resolved: tty: fix possible null-ptr-defer in spkttyiorelease Run the following tests on the qemu platform: syzkaller: modprobe speakupaudptr input: Speakup as /devices/virtual/input/input4 initialized device: /dev/synth, node MAJOR 10,...

CVE-2020-27830

A vulnerability was found in Linux Kernel where in the spkttyioreceivebuf2 function, it would dereference spkttyiosynth without checking whether it is NULL or not, and may lead to a NULL-ptr deref crash...

An issue was discovered in drivers/accessibility/speakup/spk_ttyio.c in the Linux kernel through 5.9.9. Local attackers on systems with the speakup driver could cause a local denial of service attack aka CID-d41227544427. This occurs because of an invalid free when the line discipline is used more than once.

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