PT-2026-82928

Name of the Vulnerable Software and Affected Versions Linux kernel affected versions not specified Description A data race exists in the ALSA sequencer OSS interface. The function snd seq oss readq clear resets the qlen, head, and tail variables without acquiring the q-lock spinlock, while reader...

Linux Distros Unpatched Vulnerability : CVE-2026-80628

The Linux/Unix host has one or more packages installed that are impacted by a vulnerability without a vendor supplied patch available. - ALSA: seq: oss: Serialize readq reset state with q-lock sndseqossreadqclear resets qlen, head, and tail without q-lock even though the normal reader and produce...

SUSE CVE-2026-74261

In the Linux kernel, the following vulnerability has been resolved: ALSA: seq: avoid stale FIFO cells during resize sndseqfiforesize still needs to publish the replacement pool before it waits for FIFO users. A blocking sndseqread holds f-uselock while it sleeps, so concurrent senders must be abl...

CVE-2026-74504

In the Linux kernel, the following vulnerability has been resolved: ALSA: seq: Fix division by zero in initializetimer A userspace-driven ALSA timer SNDUTIMER lets an unprivileged user set the backing sndtimer's hardware resolution to an arbitrary 64-bit value via SNDRVTIMERIOCTLCREATE...

CVE-2026-74504 ALSA: seq: Fix division by zero in initialize_timer()

In the Linux kernel, the following vulnerability has been resolved: ALSA: seq: Fix division by zero in initializetimer A userspace-driven ALSA timer SNDUTIMER lets an unprivileged user set the backing sndtimer's hardware resolution to an arbitrary 64-bit value via SNDRVTIMERIOCTLCREATE...

CVE-2026-74339

In the Linux kernel, the following vulnerability has been resolved: ALSA: seq: Clear variable event pointer on read sndseqread copies a queued variable-length event header to userspace before expanding the payload. Queued variable-length events use SNDRVSEQEXTCHAINED internally, and data.ext.ptr...

CVE-2026-74278

In the Linux kernel, the following vulnerability has been resolved: ALSA: seq: Fix kernel heap address leak in bounceerrorevent The comment above bounceerrorevent documents that user clients should receive SNDRVSEQEVENTBOUNCE with the original event embedded as variable-length data, while kernel...

CVE-2026-74261

In the Linux kernel, the following vulnerability has been resolved: ALSA: seq: avoid stale FIFO cells during resize sndseqfiforesize still needs to publish the replacement pool before it waits for FIFO users. A blocking sndseqread holds f-uselock while it sleeps, so concurrent senders must be abl...

UBUNTU-CVE-2026-74278

In the Linux kernel, the following vulnerability has been resolved: ALSA: seq: Fix kernel heap address leak in bounceerrorevent The comment above bounceerrorevent documents that user clients should receive SNDRVSEQEVENTBOUNCE with the original event embedded as variable-length data, while kernel...

UBUNTU-CVE-2026-74261

In the Linux kernel, the following vulnerability has been resolved: ALSA: seq: avoid stale FIFO cells during resize sndseqfiforesize still needs to publish the replacement pool before it waits for FIFO users. A blocking sndseqread holds f-uselock while it sleeps, so concurrent senders must be abl...

CVE-2026-74387

In the Linux kernel, the following vulnerability has been resolved: ALSA: seq: midi: Serialize output teardown with eventinput eventprocessmidi borrows msynth-outputrfile.output and then passes the substream to dumpmidi and sndrawmidikernelwrite without synchronizing with the output open/close...

CVE-2026-74261

In the Linux kernel, the following vulnerability has been resolved: ALSA: seq: avoid stale FIFO cells during resize sndseqfiforesize still needs to publish the replacement pool before it waits for FIFO users. A blocking sndseqread holds f-uselock while it sleeps, so concurrent senders must be abl...

CVE-2026-74278

In the Linux kernel, the following vulnerability has been resolved: ALSA: seq: Fix kernel heap address leak in bounceerrorevent The comment above bounceerrorevent documents that user clients should receive SNDRVSEQEVENTBOUNCE with the original event embedded as variable-length data, while kernel...

UBUNTU-CVE-2026-74387

In the Linux kernel, the following vulnerability has been resolved: ALSA: seq: midi: Serialize output teardown with eventinput eventprocessmidi borrows msynth-outputrfile.output and then passes the substream to dumpmidi and sndrawmidikernelwrite without synchronizing with the output open/close...

EUVD-2026-59534

In the Linux kernel, the following vulnerability has been resolved: ALSA: seq: midi: Serialize output teardown with eventinput eventprocessmidi borrows msynth-outputrfile.output and then passes the substream to dumpmidi and sndrawmidikernelwrite without synchronizing with the output open/close...

CVE-2026-74387

In the Linux kernel, the following vulnerability has been resolved: ALSA: seq: midi: Serialize output teardown with eventinput eventprocessmidi borrows msynth-outputrfile.output and then passes the substream to dumpmidi and sndrawmidikernelwrite without synchronizing with the output open/close...

CVE-2026-74387

Summary of CVE-2026-74387 (Linux kernel, ALSA: seq: midi) : The vulnerability stems from improper synchronization in MIDI event handling. Specifically, event_process_midi() borrows msynth->output_rfile.output and passes the substream to dump_midi() and snd_rawmidi_kernel_write() without coordi...

CVE-2026-74339 ALSA: seq: Clear variable event pointer on read

In the Linux kernel, the following vulnerability has been resolved: ALSA: seq: Clear variable event pointer on read sndseqread copies a queued variable-length event header to userspace before expanding the payload. Queued variable-length events use SNDRVSEQEXTCHAINED internally, and data.ext.ptr...

CVE-2026-74339 ALSA: seq: Clear variable event pointer on read

In the Linux kernel, the following vulnerability has been resolved: ALSA: seq: Clear variable event pointer on read sndseqread copies a queued variable-length event header to userspace before expanding the payload. Queued variable-length events use SNDRVSEQEXTCHAINED internally, and data.ext.ptr...

EUVD-2026-59425

In the Linux kernel, the following vulnerability has been resolved: ALSA: seq: Fix kernel heap address leak in bounceerrorevent The comment above bounceerrorevent documents that user clients should receive SNDRVSEQEVENTBOUNCE with the original event embedded as variable-length data, while kernel...