CVE-2026-43190 netfilter: xt_tcpmss: check remaining length before reading optlen

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-2026-43186 ipv6: ioam: fix heap buffer overflow in __ioam6_fill_trace_data()

In the Linux kernel, the following vulnerability has been resolved: ipv6: ioam: fix heap buffer overflow in ioam6filltracedata On the receive path, ioam6filltracedata uses trace-nodelen to decide how much data to write for each node. It trusts this field as-is from the incoming packet, with no...

CVE-2026-43173 net: ethernet: xscale: Check for PTP support properly

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-2026-43172

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 ...

CVE-2026-43172 wifi: iwlwifi: fix 22000 series SMEM parsing

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 ...

CVE-2026-43172 wifi: iwlwifi: fix 22000 series SMEM parsing

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 ...

CVE-2026-43172

CVE-2026-43172 affects the Linux kernel iwlwifi driver. If the firmware reports three LMACs (which hardware does not have), the code can overrun the array fwrt->smem_cfg.lmac[2]. The fix rejects such configurations and uses IWL_FW_CHECK instead of WARN_ON, mitigating a potential instability/Do...

CVE-2026-43171 EFI/CPER: don't dump the entire memory region

In the Linux kernel, the following vulnerability has been resolved: EFI/CPER: don't dump the entire memory region The current logic at cperprintfwerr doesn't check if the error record length is big enough to handle offset. On a bad firmware, if the ofset is above the actual record, length -= offs...

CVE-2026-43169 drm/buddy: Prevent BUG_ON by validating rounded allocation

In the Linux kernel, the following vulnerability has been resolved: drm/buddy: Prevent BUGON by validating rounded allocation When DRMBUDDYCONTIGUOUSALLOCATION is set, the requested size is rounded up to the next power-of-two via rounduppowoftwo. Similarly, for non-contiguous allocations with lar...

CVE-2026-43169 drm/buddy: Prevent BUG_ON by validating rounded allocation

In the Linux kernel, the following vulnerability has been resolved: drm/buddy: Prevent BUGON by validating rounded allocation When DRMBUDDYCONTIGUOUSALLOCATION is set, the requested size is rounded up to the next power-of-two via rounduppowoftwo. Similarly, for non-contiguous allocations with lar...

CVE-2026-43156 net: usb: pegasus: enable basic endpoint checking

In the Linux kernel, the following vulnerability has been resolved: net: usb: pegasus: enable basic endpoint checking pegasusprobe fills URBs with hardcoded endpoint pipes without verifying the endpoint descriptors: - usbrcvbulkpipedev, 1 for RX data - usbsndbulkpipedev, 2 for TX data -...

CVE-2026-43148 powerpc/smp: Add check for kcalloc() failure in parse_thread_groups()

In the Linux kernel, the following vulnerability has been resolved: powerpc/smp: Add check for kcalloc failure in parsethreadgroups As kcalloc may fail, check its return value to avoid a NULL pointer dereference when passing it to ofpropertyreadu32array...

CVE-2026-43146

In the Linux kernel, the following vulnerability has been resolved: media: iris: Add buffer to list only after successful allocation Move listaddtail to after dmaallocattrs succeeds when creating internal buffers. Previously, the buffer was enqueued in buffers-list before the DMA allocation. If t...

CVE-2026-43141 ntb: ntb_hw_switchtec: Fix shift-out-of-bounds for 0 mw lut

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-2026-43136

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-2026-43129

The CVE-2026-43129 issue stems from the Linux kernel IMA subsystem: when booting a second-stage kernel via kexec with a memory-limited command line, the IMA measurement buffer from the previous kernel could lie outside the new kernel’s addressable RAM, causing an early-page fault on x86_64. The f...

CVE-2026-43129 ima: verify the previous kernel's IMA buffer lies in addressable RAM

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-2026-43129 ima: verify the previous kernel's IMA buffer lies in addressable RAM

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-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-2026-43124

In the Linux kernel, the following vulnerability has been resolved: pstore: ramcore: fix incorrect success return when vmap fails In persistentramvmap, vmap may return NULL on failure. If offset is non-zero, adding offsetinpagestart causes the function to return a non-NULL pointer even though the...