ALSA-2026:6037 Moderate: kernel security update

The kernel packages contain the Linux kernel, the core of any Linux operating system. Security Fixes: kernel: Linux kernel: Use-After-Free vulnerability in ATM subsystem CVE-2025-38180 kernel: macvlan: fix error recovery in macvlancommonnewlink CVE-2026-23209 kernel: net/sched: clsu32: use...

The vulnerability of the snd_ac97_mixer() function in the sound/pci/ac97/ac97_codec.c module of the Linux kernel’s audio subsystem allows a hacker to compromise the confidentiality, integrity, and accessibility of the protected information.

The vulnerability of the sndac97mixer function in the sound/pci/ac97/ac97codec.c module of the Linux kernel’s audio subsystem is related to pointer manipulation. Exploiting this vulnerability could allow an attacker to compromise the confidentiality, integrity, and accessibility of the protected...

The vulnerability of the wcd938x_mbhc_init() function in the sound module/soc/codecs/wcd938x.c file in Linux operating system-based SoCs allows a hacker to cause a service failure.

The vulnerability of the wcd938xmbhcinit function in the sound module/soc/codecs/wcd938x.c file, which is part of the Linux operating system’s SoC audio support, involves dereferencing an uninitialized pointer. Exploiting this vulnerability could allow an attacker to cause a system failure...

The vulnerability of the nested_vmcb02_prepare_control() 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 hacker to cause a service failure.

The vulnerability of the nestedvmcb02preparecontrol function in the arch/x86/kvm/svm/nested.c module of the virtualization subsystem on the Linux kernel-based x86 platform is related to an uncontrolled exploitable condition. Exploiting this vulnerability could allow a attacker to cause a service...

Security Bulletin: IBM Technical Support Appliance - potential denial of service in Linux kernel subsystems

Summary Multiple vulnerabilities have been identified in the Linux kernel affecting subsystems including RDMA rxe and core memory management. These issues involve conditions such as double free, incomplete state handling, and NULL pointer dereference, which could lead to system instability or...

CVE-2026-32713

PX4 autopilot is a flight control solution for drones. Prior to 1.17.0-rc2, A logic error in the PX4 Autopilot MAVLink FTP session validation uses incorrect boolean logic && instead of ||, allowing BurstReadFile and WriteFile operations to proceed with invalid sessions or closed file descriptors...

wifi: cfg80211: cancel rfkill_block work in wiphy_unregister()

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The vulnerability of the kvm_arch_vcpu_ioctl() function in the arch/arm64/kvm/arm.c module of the virtualization subsystem on the ARM 64-bit kernel-based Linux operating system allows a attacker to cause a service failure.

The vulnerability of the kvmarchvcpuioctl function in the arch/arm64/kvm/arm.c module of the virtualization subsystem on the 64-bit ARM-based Linux operating system is related to access to an uninitialized pointer. Exploiting this vulnerability could allow a attacker to cause a service failure...

The vulnerability of the `cs35l41_get_acpi_mute_state()` function in the sound subsystem of the Linux operating system allows a hacker to trigger a service failure.

The vulnerability of the cs35l41getacpimutestate function in the sound/hda/codecs/side-codecs/cs35l41hda.c module of the Linux kernel sound subsystem is related to pointer manipulation. Exploiting this vulnerability could allow an attacker to cause a service failure...

The vulnerability of the __ima inode_hash() function in the security/integrity/ima/ima_main.c module of the Linux kernel’s security subsystem allows a attacker to cause a service failure.

The vulnerability of the ima inodehash function in the security/integrity/ima/imamain.c module of the Linux kernel’s security subsystem is related to improper memory release. Exploiting this vulnerability could allow an attacker to cause a service failure...

The vulnerability of the isotpbind() function in the net/can/isotp.c module of the Linux kernel’s CAN subsystem allows a hacker to cause a service failure.

The vulnerability of the isotpbind function in the net/can/isotp.c module of the CAN subsystem of the Linux kernel is related to state management errors. Exploiting this vulnerability could allow an attacker to cause a system failure...

The vulnerability of the snd_ac97_dev_register() function in the sound/pci/ac97/ac97_codec.c module of the Linux kernel’s audio subsystem allows a hacker to cause a system failure.

The vulnerability of the sndac97devregister function in the sound/pci/ac97/ac97codec.c module of the Linux kernel’s audio subsystem is related to improper memory release. Exploiting this vulnerability could allow an attacker to cause a system failure...

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

The vulnerability of the hcinumcomppktsevt function in the net/bluetooth/hcievent.c module of the Linux operating system’s Bluetooth subsystem is related to the reutilization of previously freed memory. Exploiting this vulnerability could allow an attacker to compromise the confidentiality,...

The vulnerability of the blk_unregister_queue() function in the block/blk-sysfs.c module, which is part of the Linux kernel’s block-level support, allows a malicious actor to cause a service failure.

The vulnerability of the blkunregisterqueue function in the block/blk-sysfs.c module, which supports the block-level kernel in the Linux operating system, is related to code errors. Exploiting this vulnerability could allow an attacker to cause a service failure...

The vulnerability of the rproc_coredump_write() function in the drivers/remoteproc/remoteprocdebugfs.c driver of the Linux kernel’s remote processor subsystem allows a attacker to compromise the integrity of protected information or cause service failures.

The vulnerability of the rproccoredumpwrite function in the drivers/remoteproc/remoteprocdebugfs.c driver of the Linux kernel’s remote processor subsystem is related to a numerical order loss or cyclic shift. Exploiting this vulnerability could allow an attacker to compromise the integrity of...

The vulnerability of the i2sbus_add_dev() function in the sound/aoa/soundbus/i2sbus/core.c module of the Linux kernel’s audio subsystem allows a hacker to cause a service failure.

The vulnerability of the i2sbusadddev function in the sound/aoa/soundbus/i2sbus/core.c module of the Linux kernel’s audio subsystem is related to improper memory release. Exploiting this vulnerability could allow an attacker to cause a service failure...

The vulnerabilities of the functions rsm_load_state_32() and rsm_load_state_64() in the arch/x86/kvm/emulate.c module of the virtualization subsystem on the x86 kernel of the Linux operating system allow an attacker to gain access to protected information or cause service failures.

The vulnerability of the rsmloadstate32 and rsmloadstate64 functions in the arch/x86/kvm/emulate.c module of the virtualization subsystem on the Linux x86 kernel platform is related to access to memory beyond the allocated buffer. Exploiting this vulnerability could allow an attacker to gain acce...

CVE-2026-23368

A flaw was found in the Linux kernel. An AB-BA deadlock can occur within the net: phy subsystem when registering LED triggers. This vulnerability arises because LEDTRIGGERPHY attempts to acquire the rtnlmutex and then triggerslistlock, while LEDSTRIGGERNETDEV acquires these locks in the reverse...

SUSE CVE-2026-23301

In the Linux kernel, the following vulnerability has been resolved: ASoC: SDCA: Add allocation failure check for Entity name Currently findsdcaentityiot can allocate a string for the Entity name but it doesn't check if that allocation succeeded. Add the missing NULL check after the allocation...

SUSE CVE-2026-23347

In the Linux kernel, the following vulnerability has been resolved: can: usb: f81604: correctly anchor the urb in the read bulk callback When submitting an urb, that is using the anchor pattern, it needs to be anchored before submitting it otherwise it could be leaked if usbkillanchoredurbs is...