Linux Distros Unpatched Vulnerability : CVE-2026-80742

The Linux/Unix host has one or more packages installed that are impacted by a vulnerability without a vendor supplied patch available. - afpacket: Don't send zero-byte data in tpacketsnd. syzbot reported a WARNING in devqueuexmit triggered via tpacketsnd: skbassertlen WARNING: at...

PT-2026-85795

Name of the Vulnerable Software and Affected Versions Linux kernel affected versions not specified Description An issue exists in the ring-buffer where small events on architectures with RB FORCE 8BYTE ALIGNMENT set to true report a data length 4 bytes larger than expected. This occurs because rb...

CVE-2026-80876: Undefined Security Weakness

In the Linux kernel, the following vulnerability has been resolved: ring-buffer: Fix event length with forced 8-byte alignment When RBFORCE8BYTEALIGNMENT is true, rbcalculateeventlength reserves the space of event-array0 for placing the data length and rbupdateevent stores the data length in...

SUSE CVE-2026-80730

In the Linux kernel, the following vulnerability has been resolved: ring-buffer: Fix crash passing ERRPTR to kthreadstop In testringbuffer's outfree cleanup loop, the check !rbthreadscpu only catches NULL entries and misses entries that hold an ERRPTR. rbthreads is static, so unassigned slots are...

CVE-2026-80742

In the Linux kernel, the following vulnerability has been resolved: afpacket: Don't send zero-byte data in tpacketsnd. syzbot reported a WARNING in devqueuexmit triggered via tpacketsnd: skbassertlen WARNING: at include/linux/skbuff.h:2753 skbassertlen WARNING: at devqueuexmit+0x21bc/0x4970...

AZL-99036 CVE-2026-80742 affecting package kernel for versions less than 6.6.157.1-1

In the Linux kernel, the following vulnerability has been resolved: afpacket: Don't send zero-byte data in tpacketsnd. syzbot reported a WARNING in devqueuexmit triggered via tpacketsnd: skbassertlen WARNING: at include/linux/skbuff.h:2753 skbassertlen WARNING: at devqueuexmit+0x21bc/0x4970...

CVE-2026-80730

In the Linux kernel, the following vulnerability has been resolved: ring-buffer: Fix crash passing ERRPTR to kthreadstop In testringbuffer's outfree cleanup loop, the check !rbthreadscpu only catches NULL entries and misses entries that hold an ERRPTR. rbthreads is static, so unassigned slots are...

AZL-99051 CVE-2026-80730 affecting package kernel for versions less than 6.6.152.1-1

In the Linux kernel, the following vulnerability has been resolved: ring-buffer: Fix crash passing ERRPTR to kthreadstop In testringbuffer's outfree cleanup loop, the check !rbthreadscpu only catches NULL entries and misses entries that hold an ERRPTR. rbthreads is static, so unassigned slots are...

CVE-2026-80730

In the Linux kernel, the following vulnerability has been resolved: ring-buffer: Fix crash passing ERRPTR to kthreadstop In testringbuffer's outfree cleanup loop, the check !rbthreadscpu only catches NULL entries and misses entries that hold an ERRPTR. rbthreads is static, so unassigned slots are...

UBUNTU-CVE-2026-80730

In the Linux kernel, the following vulnerability has been resolved: ring-buffer: Fix crash passing ERRPTR to kthreadstop In testringbuffer's outfree cleanup loop, the check !rbthreadscpu only catches NULL entries and misses entries that hold an ERRPTR. rbthreads is static, so unassigned slots are...

CVE-2026-80742 af_packet: Don't send zero-byte data in tpacket_snd().

In the Linux kernel, the following vulnerability has been resolved: afpacket: Don't send zero-byte data in tpacketsnd. syzbot reported a WARNING in devqueuexmit triggered via tpacketsnd: skbassertlen WARNING: at include/linux/skbuff.h:2753 skbassertlen WARNING: at devqueuexmit+0x21bc/0x4970...

CVE-2026-80730 ring-buffer: Fix crash passing ERR_PTR to kthread_stop()

In the Linux kernel, the following vulnerability has been resolved: ring-buffer: Fix crash passing ERRPTR to kthreadstop In testringbuffer's outfree cleanup loop, the check !rbthreadscpu only catches NULL entries and misses entries that hold an ERRPTR. rbthreads is static, so unassigned slots are...

EUVD-2026-70334

In the Linux kernel, the following vulnerability has been resolved: ring-buffer: Fix crash passing ERRPTR to kthreadstop In testringbuffer's outfree cleanup loop, the check !rbthreadscpu only catches NULL entries and misses entries that hold an ERRPTR. rbthreads is static, so unassigned slots are...

CVE-2026-80730

CVE-2026-80730 affects the Linux kernel's ring-buffer subsystem. The root cause is in test_ringbuffer()'s out_free cleanup loop: the !rb_threads[cpu] check only catches NULL entries but misses entries holding an ERR_PTR . When kthread_run_on_cpu() fails, it stores ERR_PTR(-ENOMEM) or ERR_PTR(-EIN...

CVE-2026-80730 ring-buffer: Fix crash passing ERR_PTR to kthread_stop()

In the Linux kernel, the following vulnerability has been resolved: ring-buffer: Fix crash passing ERRPTR to kthreadstop In testringbuffer's outfree cleanup loop, the check !rbthreadscpu only catches NULL entries and misses entries that hold an ERRPTR. rbthreads is static, so unassigned slots are...

SUSE CVE-2026-74447

In the Linux kernel, the following vulnerability has been resolved: drm/amdkfd: fix uint32t overflow in EOP ring buffer size alignment eopringbuffersize in struct queueproperties is a u32. In kfdqueueacquirebuffers the expected EOP buffer size is computed as ALIGNeopringbuffersize, PAGESIZE; ALIG...

CVE-2026-80730: Undefined Security Weakness

In the Linux kernel, the following vulnerability has been resolved: ring-buffer: Fix crash passing ERRPTR to kthreadstop In testringbuffer's outfree cleanup loop, the check !rbthreadscpu only catches NULL entries and misses entries that hold an ERRPTR. rbthreads is static, so unassigned slots are...

PT-2026-90886

In the Linux kernel, the following vulnerability has been resolved: ring-buffer: Fix crash passing ERR PTR to kthread stop In test ringbuffer's out free cleanup loop, the check !rb threadscpu only catches NULL entries and misses entries that hold an ERR PTR. rb threads is static, so unassigned...

PT-2026-84928

Name of the Vulnerable Software and Affected Versions Linux kernel affected versions not specified Description A crash occurs in the ring-buffer component during the late initcall self-test. In the test ringbuffer function's out free cleanup loop, the check !rb threadscpu only identifies NULL...

CVE-2026-80628

In the Linux kernel, the following vulnerability has been resolved: 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 producer paths serialize the same ring state under that spinlock. A reset ca...