UBUNTU-CVE-2026-46147

In the Linux kernel, the following vulnerability has been resolved: KVM: arm64: Fix pin leak and publication ordering in pkvminitvcpu Two bugs exist in the vCPU initialisation path: 1. If a check fails after hyppinsharedmem succeeds, the cleanup path jumps to 'unlock' without calling unpinhostvcp...

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-2026-46233

In the Linux kernel, the following vulnerability has been resolved: batman-adv: bla: only purge non-released claims When batadvblapurgeclaims goes through the list of claims, it is only traversing the hash list with an rcureadlock. Due to a potential parallel batadvclaimput, it can happen that it...

UBUNTU-CVE-2026-46118

In the Linux kernel, the following vulnerability has been resolved: pseries/papr-hvpipe: Fix null ptr deref in paprhvpipedevcreatehandle commit 6d3789d347a7 "papr-hvpipe: convert paprhvpipedevcreatehandle to FDPREPARE", changed the create handle to FDPREPARE, but it caused kernel null-ptr-deref...

UBUNTU-CVE-2026-46213

In the Linux kernel, the following vulnerability has been resolved: HID: appletb-kbd: fix UAF in inactivity-timer cleanup path Commit 38224c472a03 "HID: appletb-kbd: fix slab use-after-free bug in appletbkbdprobe" added timerdeletesync&kbd-inactivitytimer to both the probe closehw error path and...

UBUNTU-CVE-2026-46194

In the Linux kernel, the following vulnerability has been resolved: f2fs: fix nodecnt race between extent node destroy and writeback f2fsdestroyextentnode does not set FINOEXTENT before clearing extent nodes. When called from f2fsdropinode with ISYNC set, concurrent kworker writeback can insert n...

UBUNTU-CVE-2026-46122

In the Linux kernel, the following vulnerability has been resolved: wifi: b43: enforce bounds check on firmware key index in b43rx The firmware-controlled key index in b43rx can exceed the dev-key array size 58 entries. The existing B43WARNON is non-enforcing in production builds, allowing an...

UBUNTU-CVE-2026-46157

In the Linux kernel, the following vulnerability has been resolved: ALSA: pcm: oss: Fix data race at accessing runtime.oss.trigger Currently the runtime.oss.trigger field may be accessed concurrently without protection, which may lead to the data race. And, in this case, it may lead to more sever...

UBUNTU-CVE-2026-46106

In the Linux kernel, the following vulnerability has been resolved: eventfs: Hold eventfsmutex and SRCU when remount walks events Commit 340f0c7067a9 "eventfs: Update all the eventfsinodes from the events descriptor" had eventfssetattrs recurse through ei-children on remount. The walk only holds...

UBUNTU-CVE-2026-46141

In the Linux kernel, the following vulnerability has been resolved: powerpc/xive: fix kmemleak caused by incorrect chipdata lookup The kmemleak reports the following memory leak: Unreferenced object 0xc0000002a7fbc640 size 64: comm "kworker/8:1", pid 540, jiffies 4294937872 hex dump first 32 byte...

UBUNTU-CVE-2026-46184

In the Linux kernel, the following vulnerability has been resolved: sound: ua101: fix division by zero at probe Add a missing sanity check for bNrChannels in detectusbformat to prevent a division by zero in playbackurbcomplete and captureurbcomplete. USB core does not validate class-specific...

UBUNTU-CVE-2026-46237

In the Linux kernel, the following vulnerability has been resolved: drm/amdgpu/vcn3: Avoid overflow on msg bound check As pointed out by SDL, the previous condition may be vulnerable to overflow. cherry picked from commit db00257ac9e4a51eb2515aaea161a019f7125e10...

UBUNTU-CVE-2026-46214

In the Linux kernel, the following vulnerability has been resolved: vsock/virtio: fix accept queue count leak on transport mismatch virtiotransportrecvlisten calls skacceptqadded before vsockassigntransport. If vsockassigntransport fails or selects a different transport, the error path returns...

UBUNTU-CVE-2026-46126

In the Linux kernel, the following vulnerability has been resolved: RDMA/mana: Fix manadestroywqobj cleanup in manaibcreateqprss Sashiko points out there are two bugs here in the error unwind flow, both related to how the WQ table is unwound. First there is a double i-- on the first failure path...

UBUNTU-CVE-2026-46163

In the Linux kernel, the following vulnerability has been resolved: wifi: b43legacy: enforce bounds check on firmware key index in RX path Same fix as b43: the firmware-controlled key index in b43legacyrx can exceed dev-maxnrkeys. The existing B43legacyWARNON is non-enforcing in production builds...

UBUNTU-CVE-2026-46111

In the Linux kernel, the following vulnerability has been resolved: Bluetooth: hciconn: fix potential UAF in createbigsync Add hciconnvalid check in createbigsync to detect stale connections before proceeding with BIG creation. Handle the resulting -ECANCELED in createbigcomplete and re-validate...

UBUNTU-CVE-2026-46162

In the Linux kernel, the following vulnerability has been resolved: ice: fix double free in icesfethactivate error path When auxiliarydeviceadd fails, icesfethactivate jumps to auxdevuninit and calls auxiliarydeviceuninit&sfdev-adev. The device release callback icesfdevrelease frees sfdev, but th...

UBUNTU-CVE-2026-46181

In the Linux kernel, the following vulnerability has been resolved: RDMA/mlx4: Fix mis-use of RCU in mlx4srqevent Sashiko points out the radixtree itself is RCU safe, but nothing ever frees the mlx4srq struct with RCU, and it isn't even accessed within the RCU critical section. It also will crash...

UBUNTU-CVE-2026-46150

In the Linux kernel, the following vulnerability has been resolved: fanotify: fix false positive on permission events fsnotifygetmarksafe may return false for a mark on an unrelated group, which results in bypassing the permission check. Fix by skipping over detached marks that are not in the...

UBUNTU-CVE-2026-46109

In the Linux kernel, the following vulnerability has been resolved: usb: ulpi: fix memory leak on ulpiregister error paths Commit 01af542392b5 "usb: ulpi: fix double free in ulpiregisterinterface error path" removed kfreeulpi from ulpiregisterinterface to fix a double-free when deviceregister...