UBUNTU-CVE-2026-46166

In the Linux kernel, the following vulnerability has been resolved: wifi: mac80211: use safe list iteration in radar detect work The call to ieee80211dfscaccancel can cause the iterated chanctx to be freed and removed from the list. Guard against this to avoid a slab-use-after-free error...

UBUNTU-CVE-2026-46220

In the Linux kernel, the following vulnerability has been resolved: drm/amdgpu/sdma4: replace BUGON with WARNON in fence emission sdmav40ringemitfence contains two BUGONaddr & 0x3 assertions that verify fence writeback addresses are dword-aligned. These assertions can be reached from unprivileged...

UBUNTU-CVE-2026-46228

In the Linux kernel, the following vulnerability has been resolved: spi: ch341: fix devres lifetime USB drivers bind to USB interfaces and any device managed resources should have their lifetime tied to the interface rather than parent USB device. This avoids issues like memory leaks when drivers...

UBUNTU-CVE-2026-46224

In the Linux kernel, the following vulnerability has been resolved: drm/xe: Fix bo leak in xedmabufinitobj on allocation failure When drmgpuvmresvobjectalloc fails, the pre-allocated storage bo is not freed. Add xebofreestorage before returning the error. xedmabufinitobj calls xeboinitlocked, whi...

UBUNTU-CVE-2026-46171

In the Linux kernel, the following vulnerability has been resolved: riscv: kvm: fix vector context allocation leak When the second kzalloc hostcontext.vector.datap fails in kvmriscvvcpuallocvectorcontext, the first allocation guestcontext.vector.datap is leaked. Free it before returning...

UBUNTU-CVE-2026-46174

In the Linux kernel, the following vulnerability has been resolved: x86/CPU/AMD: Prevent improper isolation of shared resources in Zen2's op cache Make sure resources are not improperly shared in the op cache and cause instruction corruption this way...

UBUNTU-CVE-2026-46183

In the Linux kernel, the following vulnerability has been resolved: mm/damon/sysfs-schemes: protect path kfree with damonsysfslock damonsysfsquotgoal-path can be read and written by users, via DAMON sysfs 'path' file. It can also be indirectly read, for the parameters on,offline committing to...

UBUNTU-CVE-2026-46200

In the Linux kernel, the following vulnerability has been resolved: spi: mpc52xx: fix controller deregistration Make sure to deregister the controller before disabling and releasing underlying resources like interrupts and gpios during driver unbind...

UBUNTU-CVE-2026-46216

In the Linux kernel, the following vulnerability has been resolved: drm/xe/hdcp: Add NULL check for mediagt in intelhdcpgsccheckstatus When media GT is disabled via configfs, there is no allocation for mediagt, which is kept as NULL. In such scenario, intelhdcpgsccheckstatus results in a kernel...

UBUNTU-CVE-2026-46144

In the Linux kernel, the following vulnerability has been resolved: RDMA/mana: Fix error unwind in manaibcreateqprss Sashiko points out that manaibcfgvportsteering is leaked, the normal destroy path cleans it up...

UBUNTU-CVE-2026-46137

In the Linux kernel, the following vulnerability has been resolved: mptcp: pm: ADDADDR rtx: fix potential data-race This mptcppmaddtimer helper is executed as a timer callback in softirq context. To avoid any data races, the socket lock needs to be held with bhlocksock. If the socket is in use,...

UBUNTU-CVE-2026-46212

In the Linux kernel, the following vulnerability has been resolved: batman-adv: bla: prevent use-after-free when deleting claims When batadvbladelbackboneclaims removes all claims for a backbone, it does this by dropping the link entry in the hash list. This list entry itself was one of the...

UBUNTU-CVE-2026-46145

In the Linux kernel, the following vulnerability has been resolved: RDMA/mana: Validate rxhashkeylen Sashiko points out that rxhashkeylen comes from a uAPI structure and is blindly passed to memcpy, allowing the userspace to trash kernel memory. Bounds check it so the memcpy cannot overflow...

UBUNTU-CVE-2026-46217

In the Linux kernel, the following vulnerability has been resolved: drm/amdgpu/vcn4: Avoid overflow on msg bound check As pointed out by SDL, the previous condition may be vulnerable to overflow. cherry picked from commit 3c5367d950140d4ec7af830b2268a5a6fdaa3885...

UBUNTU-CVE-2026-46143

In the Linux kernel, the following vulnerability has been resolved: ASoC: qcom: q6apm-lpass-dai: Fix multiple graph opens As prepare can be called mulitple times, this can result in multiple graph opens for playback path. This will result in a memory leaks, fix this by adding a check before openi...

UBUNTU-CVE-2026-46186

In the Linux kernel, the following vulnerability has been resolved: Bluetooth: virtiobt: validate rx pkttype header length virtbtrxhandle reads the leading pkttype byte from the RX skb and forwards the remainder to hcirecvframe for every event/ACL/SCO/ISO type, without checking that the remaining...

UBUNTU-CVE-2026-46139

In the Linux kernel, the following vulnerability has been resolved: smb: client: use kzalloc to zero-initialize security descriptor buffer Commit 62e7dd0a39c2d "smb: common: change the data type of numaces to le16" split struct smbacl's le32 numaces field into le16 numaces and le16 reserved. The...

UBUNTU-CVE-2026-46136

In the Linux kernel, the following vulnerability has been resolved: wifi: mt76: mt7921: fix a potential clc buffer length underflow The buflen is used to limit the iterations for retrieving the country power setting and may underflow under certain conditions due to changes in the power table in...

UBUNTU-CVE-2026-46188

In the Linux kernel, the following vulnerability has been resolved: octeonepvf: add NULL check for napibuildskb napibuildskb can return NULL on allocation failure. In octepvfoqprocessrx, the result is used directly without a NULL check in both the single-buffer and multi-fragment paths, leading t...

UBUNTU-CVE-2026-46115

In the Linux kernel, the following vulnerability has been resolved: block: add pgmap check to biovecphysmergeable biovecphysmergeable is used by the request merge, DMA mapping, and integrity merge paths to decide if two physically contiguous bvec segments can be coalesced into one. It currently h...