UBUNTU-CVE-2026-43203

In the Linux kernel, the following vulnerability has been resolved: atm: fore200e: fix use-after-free in tasklets during device removal When the PCA-200E or SBA-200E adapter is being detached, the fore200e is deallocated. However, the txtasklet or rxtasklet may still be running or pending, leadin...

UBUNTU-CVE-2026-43141

In the Linux kernel, the following vulnerability has been resolved: ntb: ntbhwswitchtec: Fix shift-out-of-bounds for 0 mw lut Number of MW LUTs depends on NTB configuration and can be set to zero, in such scenario rounddownpowoftwo will cause undefined behaviour and should not be performed. This...

CVE-2026-43179

In the Linux kernel, the following vulnerability has been resolved: erofs: fix incorrect early exits for invalid metabox-enabled images Crafted EROFS images with metadata compression enabled can trigger incorrect early returns, leading to folio reference leaks. However, this does not cause system...

CVE-2026-43253

In the Linux kernel, the following vulnerability has been resolved: iommu/amd: move waitonsem out of spinlock With iommu.strict=1, the existing completion wait path can cause soft lockups under stressed environment, as waitonsem busy-waits under the spinlock with interrupts disabled. Move the...

CVE-2026-43164

In the Linux kernel, the following vulnerability has been resolved: udplite: Fix null-ptr-deref in udpenqueuescheduleskb. syzbot reported null-ptr-deref of udpsksk-udpprodqueue. 0 Since the cited commit, udplibinitsock can fail, as can udpinitsock and udpv6initsock. Let's handle the error in...

CVE-2026-43224

In the Linux kernel, the following vulnerability has been resolved: iouring/zcrx: fix sgtable leak on mapping failures In an unlikely case when iopopulateareadma fails, which could only happen on a PAGEPOOL32BITARCHWITH64BITDMA machine, iozcrxmaparea will have an initialised and not freed table. ...

CVE-2026-43161

In the Linux kernel, the following vulnerability has been resolved: iommu/vt-d: Skip dev-iotlb flush for inaccessible PCIe device without scalable mode PCIe endpoints with ATS enabled and passed through to userspace e.g., QEMU, DPDK can hard-lock the host when their link drops, either by surprise...

CVE-2026-43173

In the Linux kernel, the following vulnerability has been resolved: net: ethernet: xscale: Check for PTP support properly In ixp4xxgettsinfo ixp46xptpfind is called unconditionally despite this feature only existing on ixp46x, leading to the following splat from tcpdump: root@OpenWrt: tcpdump -vv...

CVE-2026-43129

In the Linux kernel, the following vulnerability has been resolved: ima: verify the previous kernel's IMA buffer lies in addressable RAM Patch series "Address page fault in imarestoremeasurementlist", v3. When the second-stage kernel is booted via kexec with a limiting command line such as "mem="...

CVE-2025-71285

In the Linux kernel, the following vulnerability has been resolved: net: qrtr: Drop the MHI autoqueue feature for IPCR DL channels MHI stack offers the 'autoqueue' feature, which allows the MHI stack to auto queue the buffers for the RX path DL channel. Though this feature simplifies the client...

CVE-2025-71271

In the Linux kernel, the following vulnerability has been resolved: hfsplus: ensure sb-sfsinfo is always cleaned up When hfsplus was converted to the new mount api a bug was introduced by changing the allocation pattern of sb-sfsinfo. If setupbdevsuper fails after a new superblock has been...

CVE-2026-43248

In the Linux kernel, the following vulnerability has been resolved: vhost: move vdpa group bound check to vhostvdpa Remove duplication by consolidating these here. This reduces the posibility of a parent driver missing them. While we're at it, fix a bug in vdpasim where a valid ASID can be assign...

CVE-2026-43142

In the Linux kernel, the following vulnerability has been resolved: media: iris: gen1: Destroy internal buffers after FW releases After the firmware releases internal buffers, the driver was not destroying them. This left stale allocations that were no longer used, especially across resolution...

CVE-2026-43172

In the Linux kernel, the following vulnerability has been resolved: wifi: iwlwifi: fix 22000 series SMEM parsing If the firmware were to report three LMACs which doesn't exist in hardware then using "fwrt-smemcfg.lmac2" is an overrun of the array. Reject such and use IWLFWCHECK instead of WARNON ...

UBUNTU-CVE-2026-43123

In the Linux kernel, the following vulnerability has been resolved: fbcon: check return value of con2fbacquirenewinfo If fbconopen fails when called from con2fbacquirenewinfo then info-fbconpar pointer remains NULL which is later dereferenced. Add check for return value of the function...

CVE-2026-43200

In the Linux kernel, the following vulnerability has been resolved: PCI: endpoint: Fix swapped parameters in pciprimary/secondaryepcepfunlink functions struct configfsitemoperations callbacks are defined like the following: int allowlinkstruct configitem src, struct configitem target; void...

CVE-2026-43190

In the Linux kernel, the following vulnerability has been resolved: netfilter: xttcpmss: check remaining length before reading optlen Quoting reporter: In net/netfilter/xttcpmss.c lines 53-68, the TCP option parser reads opi+1 directly without validating the remaining option length. If the last...

CVE-2026-43281

In the Linux kernel, the following vulnerability has been resolved: mailbox: Prevent out-of-bounds access in fwmboxindexxlate Although it is guided that mbox-cells must be at least 1, there are many instances of mbox-cells = ; in the device tree. If that is the case and the corresponding mailbox...

UBUNTU-CVE-2026-43225

In the Linux kernel, the following vulnerability has been resolved: staging: rtl8723bs: fix memory leak on failure path cfg80211informbssframe may return NULL on failure. In that case, the allocated buffer 'buf' is not freed and the function returns early, leading to potential memory leak. Fix th...

UBUNTU-CVE-2026-43181

In the Linux kernel, the following vulnerability has been resolved: gpio: sysfs: fix chip removal with GPIOs exported over sysfs Currently if we export a GPIO over sysfs and unbind the parent GPIO controller, the exported attribute will remain under /sys/class/gpio because once we remove the pare...