CVE-2026-31733

In the Linux kernel, the following vulnerability has been resolved: schedext: Fix stale direct dispatch state in ddspdsqid @p-scx.ddspdsqid can be left set non-SCXDSQINVALID triggering a spurious warning in markdirectdispatch when the next wakeup's ops.selectcpu calls scxbpfdsqinsert, such as:...

CVE-2026-31775

In the Linux kernel, the following vulnerability has been resolved: ALSA: ctxfi: Don't enumerate SPDIF1 at DAIO initialization The recent refactoring of xfi driver changed the assignment of atc-daios at atcgetresources; now it loops over all enum DAIOTYP entries while it looped formerly only a pa...

CVE-2026-43029

In the Linux kernel, the following vulnerability has been resolved: mptcp: fix soft lockup in mptcprecvmsg syzbot reported a soft lockup in mptcprecvmsg 0. When receiving data with MSGPEEK | MSGWAITALL flags, the skb is not removed from the skreceivequeue. This causes skwaitdata to always find...

UBUNTU-CVE-2026-43021

In the Linux kernel, the following vulnerability has been resolved: Bluetooth: hcisync: fix leaks when hcicmdsyncqueueonce fails When hcicmdsyncqueueonce returns with error, the destroy callback will not be called. Fix leaking references / memory on these failures...

UBUNTU-CVE-2026-31744

In the Linux kernel, the following vulnerability has been resolved: PM: EM: Fix NULL pointer dereference when perf domain ID is not found devenergymodelnlgetperfdomainsdoit calls emperfdomaingetbyid but does not check the return value before passing it to emnlgetpdsize. When a caller supplies a...

UBUNTU-CVE-2026-43029

In the Linux kernel, the following vulnerability has been resolved: mptcp: fix soft lockup in mptcprecvmsg syzbot reported a soft lockup in mptcprecvmsg 0. When receiving data with MSGPEEK | MSGWAITALL flags, the skb is not removed from the skreceivequeue. This causes skwaitdata to always find...

CVE-2026-31736

In the Linux kernel, the following vulnerability has been resolved: net: ethernet: mtkppe: avoid NULL deref when gmac0 is disabled If the gmac0 is disabled, the precheck for a valid ingress device will cause a NULL pointer deref and crash the system. This happens because eth-netdev0 will be NULL...

CVE-2026-31734

In the Linux kernel, the following vulnerability has been resolved: schedext: Fix isbpfmigrationdisabled false negative on non-PREEMPTRCU Since commit 8e4f0b1ebcf2 "bpf: use rcureadlockdontmigrate for trampoline.c", the BPF prolog bpfprogenter calls migratedisable only when CONFIGPREEMPTRCU is...

CVE-2026-31764

In the Linux kernel, the following vulnerability has been resolved: iio: imu: stlsm6dsx: Set buffer sampling frequency for accelerometer only The stlsm6dsxhwfifoodrstore function, which is called when userspace writes the buffer sampling frequency sysfs attribute, calls stlsm6dsxcheckodr, which...

CVE-2026-31730

In the Linux kernel, the following vulnerability has been resolved: misc: fastrpc: possible double-free of cctx-remoteheap fastrpcinitcreatestaticprocess may free cctx-remoteheap on the errmap path but does not clear the pointer. Later, fastrpcrpmsgremove frees cctx-remoteheap again if it is...

UBUNTU-CVE-2026-31765

In the Linux kernel, the following vulnerability has been resolved: drm/amdgpu: Change AMDGPUVARESERVEDTRAPSIZE to 64KB Currently, AMDGPUVARESERVEDTRAPSIZE is hardcoded to 8KB, while KFDCWSRTBATMASIZE is defined as 2 PAGESIZE. On systems with 4K pages, both values match 8KB, so allocation and...

UBUNTU-CVE-2026-31729

In the Linux kernel, the following vulnerability has been resolved: usb: typec: ucsi: validate connector number in ucsinotifycommon The connector number extracted from CCI via UCSICCICONNECTOR is a 7-bit field 0-127 that is used to index into the connector array in ucsiconnectorchange. However, t...

UBUNTU-CVE-2026-31740

In the Linux kernel, the following vulnerability has been resolved: counter: rz-mtu3-cnt: do not use struct rzmtu3channel's dev member The counter driver can use HW channels 1 and 2, while the PWM driver can use HW channels 0, 1, 2, 3, 4, 6, 7. The dev member is assigned both by the counter drive...

UBUNTU-CVE-2026-31750

In the Linux kernel, the following vulnerability has been resolved: comedi: runflags cannot determine whether to reclaim chanlist syzbot reported a memory leak 1, because commit 4e1da516debb "comedi: Add reference counting for Comedi command handling" did not consider the exceptional exit case in...

UBUNTU-CVE-2026-43039

In the Linux kernel, the following vulnerability has been resolved: net: ti: icssg-prueth: fix missing data copy and wrong recycle in ZC RX dispatch emacdispatchskbzc allocates a new skb via napiallocskb but never copies the packet data from the XDP buffer into it. The skb is passed up the stack...

UBUNTU-CVE-2026-31785

In the Linux kernel, the following vulnerability has been resolved: drm/xe/xepagefault: Disallow writes to read-only VMAs The page fault handler should reject write/atomic access to read only VMAs. Add code to handle this in xepagefaultservice after the VMA lookup. v2: - Apply max line length...

CVE-2026-31712

In the Linux kernel, the following vulnerability has been resolved: ksmbd: require minimum ACE size in smbcheckpermdacl Both ACE-walk loops in smbcheckpermdacl only guard against an under-sized remaining buffer, not against an ACE whose declared ace-size is smaller than the struct it claims to...

CVE-2026-31703

In the Linux kernel, the following vulnerability has been resolved: writeback: Fix use after free in inodeswitchwbsworkfn inodeswitchwbsworkfn has a loop like: wbgetnewwb; while 1 list = llistdelall&newwb-switchwbsctxs; / Nothing to do? / if !list break; ... process the items ... Now adding of...

CVE-2026-31717

In the Linux kernel, the following vulnerability has been resolved: ksmbd: validate owner of durable handle on reconnect Currently, ksmbd does not verify if the user attempting to reconnect to a durable handle is the same user who originally opened the file. This allows any authenticated user to...

CVE-2026-31704

In the Linux kernel, the following vulnerability has been resolved: ksmbd: use checkaddoverflow to prevent u16 DACL size overflow setposixaclentriesdacl and setntacldacl accumulate ACE sizes in u16 variables. When a file has many POSIX ACL entries, the accumulated size can wrap past 65535, causin...