The vulnerability of the l2cap_ecred_reconf_rsp() function in the net/bluetooth/l2cap_core.c module of the Linux kernel’s Bluetooth subsystem allows a attacker to compromise the confidentiality, integrity, and accessibility of the protected information.

The vulnerability of the l2capecredreconfrsp function in the net/bluetooth/l2capcore.c module of the Linux kernel’s Bluetooth subsystem is related to synchronization errors. Exploiting this vulnerability could allow a remote attacker to compromise the confidentiality, integrity, and accessibility...

PT-2026-85721

In the Linux kernel, the following vulnerability has been resolved: xfrm: fix xfrm state construct auth-trunc leak attach auth trunc can allocate x-aalg while leaving x-props.aalgo at zero when the selected auth algorithm has no sadb alg id. One real case is cmacaes. xfrm state construct then...

CVE-2026-80727

In the Linux kernel, the following vulnerability has been resolved: x86/mce: Set up the polling timer before CMCI discovery I hit the following on one of my machines: mce: CPU0 BANK15 CMCI inherited storm ------------ cut here ------------ ODEBUG: assertinit not available active state 0 object:...

CVE-2026-80731

In the Linux kernel, the following vulnerability has been resolved: net: remove CAPSYSRAWIO zero-padding in devvalidateheader devvalidateheader reads dev-hardheaderlen directly when zero-padding short link layer headers for CAPSYSRAWIO holders: if capableCAPSYSRAWIO memsetllheader + len, 0,...

CVE-2026-80757

In the Linux kernel, the following vulnerability has been resolved: selinux: reject a class permission count below its inherited common securitygetpermissions maps an inherited common's permissions into an array sized by the class's own permissions.nprim, but classread takes that nprim verbatim...

CVE-2026-80755

In the Linux kernel, the following vulnerability has been resolved: selinux: reject a permission value exceeding the class permission count permread bounds a permission value by SELVECMAX but never by the nprim of the owning class or common, which is taken verbatim from the policy image...

CVE-2026-80751

In the Linux kernel, the following vulnerability has been resolved: pmdomain: mediatek: mfg: initialize prevo in mtkmfgattachdev mtkmfgattachdev reads prevo on the first iteration of its loop, in "if prevo && prevo-freq == o-freq", before prevo is assigned at the end of the loop body. On that fir...

CVE-2026-80740

In the Linux kernel, the following vulnerability has been resolved: drm/log: Fix infinite loop when scale is too large for display When scale is large enough that scaledfont exceeds the display dimensions, rows or columns become 0. A columns value of 0 causes an infinite loop in...

CVE-2026-80735

In the Linux kernel, the following vulnerability has been resolved: ovpn: ensure socket is owned by ovpn before deref skuserdata Some subsystems, like BPF SOCKMAP, set skuserdata without actually setting the encaptype. For this reason, we must make sure that the type is the one ovpn expects befor...

CVE-2026-80736 thunderbolt: Fix bandwidth group reservation indexing

In the Linux kernel, the following vulnerability has been resolved: thunderbolt: Fix bandwidth group reservation indexing Valid bandwidth group IDs range from 1 through MAXGROUPS, while Group ID 0 is reserved. tbconsumeddpbandwidth uses the Group ID directly to index its local groupreserved array...

CVE-2026-80733

In the Linux kernel, the following vulnerability has been resolved: net: remove WARNONONCE from skmcloop skmcloop can be called for sockets that are neither AFINET nor AFINET6 e.g. AFPACKET sockets when sending packets via raw/packet socket over virtual devices such as VRF or ipvlan. In such case...

CVE-2026-80726

In the Linux kernel, the following vulnerability has been resolved: KVM: x86/mmu: WARN and clear role.invalid when creating a child shadow page Explicitly clear role.invalid when deriving a child shadow page's role from its parent to harden against bugs elsewhere in KVM, as violating KVM's...

The vulnerability of the nested_sync_control_from_vmcb02() function in the arch/x86/kvm/svm/nested.c module of the virtualization subsystem on the x86 kernel of the Linux operating system allows a attacker to cause a service failure.

The vulnerability of the nestedsynccontrolfromvmcb02 function in the arch/x86/kvm/svm/nested.c module of the virtualization subsystem on the Linux kernel-based x86 platform is related to synchronization errors when using shared resources „Race Conditions“. Exploiting this vulnerability can allow ...

PT-2026-84929

In the Linux kernel, the following vulnerability has been resolved: net: remove CAP SYS RAWIO zero-padding in dev validate header dev validate header reads dev-hard header len directly when zero-padding short link layer headers for CAP SYS RAWIO holders: if capableCAP SYS RAWIO memsetll header +...

ALSA-2026:63013 Important: kernel-rt security, bug fix, and enhancement update

The kernel-rt packages provide the Real Time Linux Kernel, which enables fine-tuning for systems with extremely high determinism requirements. Security Fixes: kernel: s390/cpumsf: Handle CPU hotplug remove during sampling CVE-2024-57849 kernel: smc91x: fix broken irq-context in PREEMPTRT...

The vulnerability of the invlpga_interception() function in the arch/x86/kvm/svm/svm.c module of the virtualization subsystem on the x86 kernel of the Linux operating system allows a hacker to cause a service failure.

The vulnerability of the invlpgainterception function in the arch/x86/kvm/svm/svm.c module of the virtualization subsystem on the Linux kernel-based x86 platform is related to error handling deficiencies. Exploiting this vulnerability can allow an attacker to cause a service failure...

The vulnerability of the `linehandle_create()` function in the `drivers/gpio/gpiolib-cdev.c` driver for the Linux operating system’s GPIO kernel allows a attacker to cause a service failure.

The vulnerability of the linehandlecreate function in the drivers/gpio/gpiolib-cdev.c driver for the Linux kernel’s GPIO subsystem is related to improper resource release. Exploiting this vulnerability could allow an attacker to cause a service failure...

CVE-2026-78409

The X-mount.subdir option uses a detached-tree fast path on Linux 6.15 and later and passes the configured subdirectory to opentree with ATSYMLINKNOFOLLOW. That flag does not stop intermediate symlink traversal or keep resolution inside the newly mounted filesystem. A local unprivileged user with...

kernel: futex: Drop CLONE_THREAD requirement for private default hash alloc

A flaw was found in the Linux kernel's futex subsystem. The needfutexhashallocatedefault function incorrectly relies on CLONETHREAD semantics, which can lead to non-concurrency issues when memory allocations mm-futexref pcpu allocations are shared across CLONEVM clones, excluding vfork. This can...

kernel: Linux kernel: Use-After-Free in net/gro due to improper handling of zerocopy skbs

A flaw was found in the Linux kernel's Generic Receive Offload GRO networking subsystem. This vulnerability occurs when skbgroreceive attempts to merge zerocopy socket buffers skbs without properly managing page reference counts, specifically when the SKBFLMANAGEDFRAGREFS flag is set. An attacker...