CVE-2026-89571 cxl/features: bound fwctl command payload to the input buffer

In the Linux kernel, the following vulnerability has been resolved: cxl/features: bound fwctl command payload to the input buffer fwctlcmdrpc copies cmd-inlen bytes into inbuf = kvzalloccmd-inlen and passes inbuf and inlen to -fwrpc. The CXL callback cxlctlfwrpc ignores inlen and never checks the...

EUVD-2026-76483

In the Linux kernel, the following vulnerability has been resolved: cxl/features: bound fwctl command payload to the input buffer fwctlcmdrpc copies cmd-inlen bytes into inbuf = kvzalloccmd-inlen and passes inbuf and inlen to -fwrpc. The CXL callback cxlctlfwrpc ignores inlen and never checks the...

CVE-2026-89568

In the Linux kernel, the following vulnerability has been resolved: kho: fix size calculation in khopreservedmemoryreserve khopreservedmemoryreserve calculates the size of a preservation by doing 1 order + PAGESHIFT. Since the '1' is a 32-bit integer, it can only be shifted by 31. That is, it wil...

CVE-2026-89559 libnvdimm/labels: Prevent integer overflow in __nd_label_validate()

In the Linux kernel, the following vulnerability has been resolved: libnvdimm/labels: Prevent integer overflow in ndlabelvalidate The on-media namespace index field nslot is a u32 read from the DIMM label storage area. ndlabelvalidate bounds it against the config area size, but sizeofnamespacelab...

CVE-2026-89557 md: do overflow check for sb->bblog_shift in super_1_load()

In the Linux kernel, the following vulnerability has been resolved: md: do overflow check for sb-bblogshift in super1load In super1load, sb-bblogshift is an u8 type value loaded from on- disk superblock. It is used for badblocks API badblocksset by the following sequence, 1930 rdev-badblocks.shif...

CVE-2026-89557

CVE-2026-89557 affects the Linux kernel md (Multiple Device) driver . In super_1_load(), the field sb->bblog_shift is an 8-bit value (range 0–255) read from an on-disk superblock. Before the fix, this value was used directly as a shift amount on a 64-bit sector variable without bounds checking...

EUVD-2026-76468

In the Linux kernel, the following vulnerability has been resolved: md: do overflow check for sb-bblogshift in super1load In super1load, sb-bblogshift is an u8 type value loaded from on- disk superblock. It is used for badblocks API badblocksset by the following sequence, 1930 rdev-badblocks.shif...

CVE-2026-89557

In the Linux kernel, the following vulnerability has been resolved: md: do overflow check for sb-bblogshift in super1load In super1load, sb-bblogshift is an u8 type value loaded from on- disk superblock. It is used for badblocks API badblocksset by the following sequence, 1930 rdev-badblocks.shif...

CVE-2026-89557 md: do overflow check for sb->bblog_shift in super_1_load()

In the Linux kernel, the following vulnerability has been resolved: md: do overflow check for sb-bblogshift in super1load In super1load, sb-bblogshift is an u8 type value loaded from on- disk superblock. It is used for badblocks API badblocksset by the following sequence, 1930 rdev-badblocks.shif...

CVE-2026-89449

CVE-2026-89449 is a memory leak in the Linux kernel IOMMU subsystem, specifically in iommu_mock_device_add() (drivers/iommu/iommu.c). When iommu_fwspec_init() successfully allocates both dev->iommu and dev->iommu->fwspec, but the subsequent device_add() call fails, the error path only ca...

EUVD-2026-76355

In the Linux kernel, the following vulnerability has been resolved: iommu: Fix deviommu memory leak when deviceadd fails in iommumockdeviceadd iommumockdeviceadd first calls iommufwspecinit, which on success allocates both dev-iommu via deviommuget and dev-iommu-fwspec. If the subsequent...

CVE-2026-81007 ipmi: ipmb: validate write message length

In the Linux kernel, the following vulnerability has been resolved: ipmi: ipmb: validate write message length ipmbwrite read message fields before validating the length byte. A zero or short write can read uninitialized stack bytes. A length smaller than the SMBus header underflows the block writ...

CVE-2026-81006

In the Linux kernel, the following vulnerability has been resolved: ipmi: Remove all sysfs files on registration failure ipmiaddsmi creates the nrusers and nrmsgs files before trying to create the maintenancemode file. If that last creation fails, the error path removes only nrusers before droppi...

CVE-2026-81006 ipmi: Remove all sysfs files on registration failure

In the Linux kernel, the following vulnerability has been resolved: ipmi: Remove all sysfs files on registration failure ipmiaddsmi creates the nrusers and nrmsgs files before trying to create the maintenancemode file. If that last creation fails, the error path removes only nrusers before droppi...

CVE-2026-80983 net/smc: fix socket refcount leak in smc_switch_conns()

In the Linux kernel, the following vulnerability has been resolved: net/smc: fix socket refcount leak in smcswitchconns smcswitchconns takes a reference on the SMC socket before dropping lgr-connslock, so the connection stays alive while the CDC slot is fetched: sockhold&smc-sk;...

CVE-2026-80974

In the Linux kernel, the following vulnerability has been resolved: mfd: sm501: Fix potential memory leaks during remove The memory allocated for struct sm501devdata in sm501pciprobe and sm501platprobe is not freed by the corresponding remove functions sm501pciremove and sm501platremove. Fix that...

EUVD-2026-76277

In the Linux kernel, the following vulnerability has been resolved: i3c: Fix unlocked dereference of dev-desc in i3cdevicegetsupportedxfermode i3cdevicegetsupportedxfermode uses dev-desc to obtain the master controller. However, dev-desc must not be dereferenced unless bus-lock is held, and this...

CVE-2026-80954

CVE-2026-80954 affects the Linux kernel's i3c subsystem . The function i3c_device_get_supported_xfer_mode() dereferences dev->desc to obtain the master controller without holding bus->lock, creating a race condition that can lead to memory corruption , system instability, or denial of servi...

CVE-2026-80954

In the Linux kernel, the following vulnerability has been resolved: i3c: Fix unlocked dereference of dev-desc in i3cdevicegetsupportedxfermode i3cdevicegetsupportedxfermode uses dev-desc to obtain the master controller. However, dev-desc must not be dereferenced unless bus-lock is held, and this...

PT-2026-90136

Name of the Vulnerable Software and Affected Versions Linux kernel affected versions not specified Description An issue exists in the ipmi add smi function where sysfs files are not fully removed upon registration failure. Specifically, the function creates nr users and nr msgs files before...