CVE-2026-23219 mm/slab: Add alloc_tagging_slab_free_hook for memcg_alloc_abort_single

In the Linux kernel, the following vulnerability has been resolved: mm/slab: Add alloctaggingslabfreehook for memcgallocabortsingle When CONFIGMEMALLOCPROFILINGDEBUG is enabled, the following warning may be noticed: 3959.023862 ------------ cut here ------------ 3959.023891 alloctag was not clear...

CVE-2026-23219

CVE-2026-23219 concerns the Linux kernel (mm/slab) where alloc_tagging_slab_free_hook was not invoked in memcg_alloc_abort_single, causing a spurious warning: “alloc_tag was not cleared …” when CONFIG_MEM_ALLOC_PROFILING_DEBUG is enabled. The issue arises because the existing __memcg_slab_post_al...

CVE-2026-23219 mm/slab: Add alloc_tagging_slab_free_hook for memcg_alloc_abort_single

In the Linux kernel, the following vulnerability has been resolved: mm/slab: Add alloctaggingslabfreehook for memcgallocabortsingle When CONFIGMEMALLOCPROFILINGDEBUG is enabled, the following warning may be noticed: 3959.023862 ------------ cut here ------------ 3959.023891 alloctag was not clear...

CVE-2026-23219

In the Linux kernel, the following vulnerability has been resolved: mm/slab: Add alloctaggingslabfreehook for memcgallocabortsingle When CONFIGMEMALLOCPROFILINGDEBUG is enabled, the following warning may be noticed: 3959.023862 ------------ cut here ------------ 3959.023891 alloctag was not clear...

SUSE CVE-2026-23134

In the Linux kernel, the following vulnerability has been resolved: slab: fix kmallocnolock context check for PREEMPTRT On PREEMPTRT kernels, locallock becomes a sleeping lock. The current check in kmallocnolock only verifies we're not in NMI or hard IRQ context, but misses the case where...

Linux Distros Unpatched Vulnerability : CVE-2026-23219

The Linux/Unix host has one or more packages installed that are impacted by a vulnerability without a vendor supplied patch available. - mm/slab: Add alloctaggingslabfreehook for memcgallocabortsingle When CONFIGMEMALLOCPROFILINGDEBUG is enabled, the following warning may be noticed: 3959.023862...

Linux Distros Unpatched Vulnerability : CVE-2025-71234

The Linux/Unix host has one or more packages installed that are impacted by a vulnerability without a vendor supplied patch available. - wifi: rtl8xxxu: fix slab-out-of-bounds in rtl8xxxustaadd The driver does not set hw-stadatasize, which causes mac80211 to allocate insufficient space for driver...

PT-2026-20431

In the Linux kernel, the following vulnerability has been resolved: mm/slab: Add alloc tagging slab free hook for memcg alloc abort single When CONFIG MEM ALLOC PROFILING DEBUG is enabled, the following warning may be noticed: 3959.023862 ------------ cut here ------------ 3959.023891 alloc tag w...

CLSA-2026-1771240859 kernel: Fix of 13 CVEs

vsock: Do not allow binding to VMADDRPORTANY CVE-2025-38618 - cnic: Fix use-after-free bugs in cnicdeletetask CVE-2025-39945 - scsi: bfa: Double-free fix CVE-2025-38699 - pptp: ensure minimal skb length in pptpxmit CVE-2025-38574 - ipv6: reject malicious packets in ipv6gsosegment CVE-2025-38572 -...

CVE-2026-23204

In the Linux kernel, the following vulnerability has been resolved: net/sched: clsu32: use skbheaderpointercareful skbheaderpointer does not fully validate negative @offset values. Use skbheaderpointercareful instead. GangMin Kim provided a report and a repro fooling u32classify: BUG: KASAN:...

CVE-2026-23204

CVE-2026-23204 affects the Linux kernel net/sched cls_u32. The root cause is that skb_header_pointer() does not fully validate negative @offset values, enabling a slab-out-of-bounds condition in u32_classify() (reported as BUG: KASAN). The fix replaces skb_header_pointer() with skb_header_pointer...

CVE-2026-23134

In the Linux kernel, the following vulnerability has been resolved: slab: fix kmallocnolock context check for PREEMPTRT On PREEMPTRT kernels, locallock becomes a sleeping lock. The current check in kmallocnolock only verifies we're not in NMI or hard IRQ context, but misses the case where...

CLSA-2026-1771081379 kernel: Fix of 76 CVEs

HID: core: ensure the allocated report buffer can contain the reserved report ID CVE-2025-38495 - fs/proc: fix uaf in procreaddirde CVE-2025-40271 - ALSA: usb-audio: Fix potential overflow of PCM transfer buffer CVE-2025-40269 - Bluetooth: ISO: Fix possible UAF on isoconnfree CVE-2025-40141 -...

PT-2026-8129

In the Linux kernel, the following vulnerability has been resolved: slab: fix kmalloc nolock context check for PREEMPT RT On PREEMPT RT kernels, local lock becomes a sleeping lock. The current check in kmalloc nolock only verifies we're not in NMI or hard IRQ context, but misses the case where...

kernel: RDMA/core: Fix "KASAN: slab-use-after-free Read in ib_register_device" problem

In the Linux kernel, the following vulnerability has been resolved: RDMA/core: Fix "KASAN: slab-use-after-free Read in ibregisterdevice" problem Call Trace: dumpstack lib/dumpstack.c:94 inline dumpstacklvl+0x116/0x1f0 lib/dumpstack.c:120 printaddressdescription mm/kasan/report.c:408 inline...

kernel: efivarfs: Fix slab-out-of-bounds in efivarfs_d_compare

A slab-out-of-bounds exists in the linux kernel in efivarfsdcompare, such that the issue can be triggered by parallel lookups using an invalid filename due to an incorrect memcmp function...

kernel: RDMA/core: Fix "KASAN: slab-use-after-free Read in ib_register_device" problem

In the Linux kernel, the following vulnerability has been resolved: RDMA/core: Fix "KASAN: slab-use-after-free Read in ibregisterdevice" problem Call Trace: dumpstack lib/dumpstack.c:94 inline dumpstacklvl+0x116/0x1f0 lib/dumpstack.c:120 printaddressdescription mm/kasan/report.c:408 inline...

CVE-2026-23086 vsock/virtio: cap TX credit to local buffer size

In the Linux kernel, the following vulnerability has been resolved: vsock/virtio: cap TX credit to local buffer size The virtio transports derives its TX credit directly from peerbufalloc, which is set from the remote endpoint's SOVMSOCKETSBUFFERSIZE value. On the host side this means that the...

Linux Distros Unpatched Vulnerability : CVE-2026-23086

The Linux/Unix host has one or more packages installed that are impacted by a vulnerability without a vendor supplied patch available. - vsock/virtio: cap TX credit to local buffer size The virtio transports derives its TX credit directly from peerbufalloc, which is set from the remote endpoint's...

kernel: RDMA/core: Fix "KASAN: slab-use-after-free Read in ib_register_device" problem

In the Linux kernel, the following vulnerability has been resolved: RDMA/core: Fix "KASAN: slab-use-after-free Read in ibregisterdevice" problem Call Trace: dumpstack lib/dumpstack.c:94 inline dumpstacklvl+0x116/0x1f0 lib/dumpstack.c:120 printaddressdescription mm/kasan/report.c:408 inline...