CVE-2026-43164 udplite: Fix null-ptr-deref in __udp_enqueue_schedule_skb().

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-2026-43160

The vulnerability CVE-2026-43160 concerns the Linux kernel’s mfd: macsmc driver, where a mutex in struct apple_smc was not initialized in apple_smc_probe(). An uninitialized mutex can lead to occasional NULL pointer dereferences in apple_smc_read() invoked by probe() paths of subdevices. A patch ...

CVE-2026-43159

CVE-2026-43159 affects the Linux kernel's rtl8723bs Wi‑Fi driver, where a null pointer pwlan can be dereferenced in rtw_free_network_nolock(), potentially causing a crash. Multiple OSV entries indicate patches have been applied in rootio-linux for Ubuntu (Root:Ubuntu:22.04 and 24.04) and in Debia...

CVE-2026-43140 HID: magicmouse: Do not crash on missing msc->input

In the Linux kernel, the following vulnerability has been resolved: HID: magicmouse: Do not crash on missing msc-input Fake USB devices can send their own report descriptors for which the inputmapping hook does not get called. In this case, msc-input stays NULL, leading to a crash at a later time...

CVE-2026-43139 xfrm6: fix uninitialized saddr in xfrm6_get_saddr()

In the Linux kernel, the following vulnerability has been resolved: xfrm6: fix uninitialized saddr in xfrm6getsaddr xfrm6getsaddr does not check the return value of ipv6devgetsaddr. When ipv6devgetsaddr fails to find a suitable source address returns -EADDRNOTAVAIL, saddr-in6 is left uninitialize...

CVE-2026-43137

Summary: CVE-2026-43137 affects the Linux kernel ASoC SOF Intel HDA subsystem. A mismatch between DAI links in the machine driver and the topology can leave the playback/capture widget unset, which may trigger a null pointer dereference. The issue is fixed in the reported OSV entries (Ubuntu root...

CVE-2026-43136 HID: logitech-hidpp: Check maxfield in hidpp_get_report_length()

In the Linux kernel, the following vulnerability has been resolved: HID: logitech-hidpp: Check maxfield in hidppgetreportlength Do not crash when a report has no fields. Fake USB gadgets can send their own HID report descriptors and can define report structures without valid fields. This can be...

CVE-2026-43126 ALSA: mixer: oss: Add card disconnect checkpoints

In the Linux kernel, the following vulnerability has been resolved: ALSA: mixer: oss: Add card disconnect checkpoints ALSA OSS mixer layer calls the kcontrol ops rather individually, and pending calls might be not always caught at disconnecting the device. For avoiding the potential UAF scenarios...

CVE-2026-43124

The CVE-2026-43124 issue affects Linux kernel pstore ram_core, where persistent_ram_vmap() could return a non-NULL pointer after vmap() failed, causing persistent_ram_buffer_map() to incorrectly report success and potentially dereference an invalid address on access, leading to a crash (DoS). Roo...

UBUNTU-CVE-2026-43089

In the Linux kernel, the following vulnerability has been resolved: xfrmuser: fix info leak in buildmapping struct xfrmusersaid has a one-byte padding hole after the proto field, which ends up never getting set to zero before copying out to userspace. Fix that up by zeroing out the whole structur...

UBUNTU-CVE-2026-43098

In the Linux kernel, the following vulnerability has been resolved: nfc: s3fwrn5: allocate rx skb before consuming bytes s3fwrn82uartread reports the number of accepted bytes to the serdev core. The current code consumes bytes into recvskb and may already deliver a complete frame before allocatin...

UBUNTU-CVE-2026-43088

In the Linux kernel, the following vulnerability has been resolved: net: afkey: zero aligned sockaddr tail in PFKEY exports PFKEY export paths use pfkeysockaddrsize when reserving sockaddr payload space, so IPv6 addresses occupy 32 bytes on the wire. However, pfkeysockaddrfill initializes only th...

CVE-2026-43104

In the Linux kernel, the following vulnerability has been resolved: drm/vc4: Fix a memory leak in hang state error path When vc4savehangstate encounters an early return condition, it returns without freeing the previously allocated kernelstate, leaking memory. Add the missing kfree calls by...

CVE-2026-43113

In the Linux kernel, the following vulnerability has been resolved: wifi: wl1251: validate packet IDs before indexing txframes wl1251txpacketcb uses the firmware completion ID directly to index the fixed 16-entry wl-txframes array. The ID is a raw u8 from the completion block, and the callback do...

CVE-2026-43095

In the Linux kernel, the following vulnerability has been resolved: ASoC: SDCA: Fix errors in IRQ cleanup IRQs are enabled through sdcairqpopulate from component probe using devmrequestthreadedirq, this however means the IRQs can persist if the sound card is torn down. Some of the IRQ handlers...

UBUNTU-CVE-2026-43090

In the Linux kernel, the following vulnerability has been resolved: xfrm: fix refcount leak in xfrmmigratepolicyfind syzkaller reported a memory leak in xfrmpolicyalloc: BUG: memory leak unreferenced object 0xffff888114d79000 size 1024: comm "syz.1.17", pid 931 ... xfrmpolicyalloc+0xb3/0x4b0...

CVE-2026-43105

In the Linux kernel, the following vulnerability has been resolved: drm/vc4: Fix memory leak of BO array in hang state The hang state's BO array is allocated separately with kzalloc in vc4savehangstate but never freed in vc4freehangstate. Add the missing kfree for the BO array before freeing the...

UBUNTU-CVE-2026-43113

In the Linux kernel, the following vulnerability has been resolved: wifi: wl1251: validate packet IDs before indexing txframes wl1251txpacketcb uses the firmware completion ID directly to index the fixed 16-entry wl-txframes array. The ID is a raw u8 from the completion block, and the callback do...

UBUNTU-CVE-2026-43093

In the Linux kernel, the following vulnerability has been resolved: xsk: tighten UMEM headroom validation to account for tailroom and min frame The current headroom validation in xdpumemreg could leave us with insufficient space dedicated to even receive minimum-sized ethernet frame. Furthermore ...

kernel: nfsd: fix heap overflow in NFSv4.0 LOCK replay cache

A flaw was found in the Linux kernel's NFSv4.0 server nfsd. A remote, unauthenticated attacker can exploit this heap overflow vulnerability in the NFSv4.0 LOCK replay cache. By using two cooperating NFSv4.0 clients, where one sets a lock with a large owner string and another requests a conflictin...