CVE-2026-74736

In the Linux kernel, the following vulnerability has been resolved: net/sched: cls_bpf: reject dev-bound programs bound to a different device cls_bpf_prog_from_efd() obtained a SCHED_CLS program via bpf_prog_get_type_dev() but never verified that a device-bound (offloaded) program's bound netdev matches the TC netdev the classifier is being attached to. This let a program loaded with prog_ifindex for device A be attached via cls_bpf + skip_sw to device B; deleting device A then destroyed the program's offload state while it was still attached to device B, triggering a netdevsim WARN (panic with panic_on_warn=1). Mirror the XDP attach path (net/core/dev.c) and reject the attach with -EINVAL when a dev-bound program's bound device does not match the target device.

In the Linux kernel, the following vulnerability has been resolved: net/sched: cls_bpf: reject dev-bound programs bound to a different device cls_bpf_prog_from_efd() obtained a SCHED_CLS program via bpf_prog_get_type_dev() but never verified that a device-bound (offloaded) program's bound netdev matches the TC netdev the classifier is being attached to. This let a program loaded with prog_ifindex for device A be attached via cls_bpf + skip_sw to device B; deleting device A then destroyed the program's offload state while it was still attached to device B, triggering a netdevsim WARN (panic with panic_on_warn=1). Mirror the XDP attach path (net/core/dev.c) and reject the attach with -EINVAL when a dev-bound program's bound device does not match the target device.

In the Linux kernel, the following vulnerability has been resolved:

net/sched: cls_bpf: reject dev-bound programs bound to a different device

cls_bpf_prog_from_efd() obtained a SCHED_CLS program via bpf_prog_get_type_dev() but never verified that a device-bound (offloaded) program's bound netdev matches the TC netdev the classifier is being attached to. This let a program loaded with prog_ifindex for device A be attached via cls_bpf + skip_sw to device B; deleting device A then destroyed the program's offload state while it was still attached to device B, triggering a netdevsim WARN (panic with panic_on_warn=1).

Mirror the XDP attach path (net/core/dev.c) and reject the attach with -EINVAL when a dev-bound program's bound device does not match the target device.

• md/raid1,raid10: strip REQ_NOWAIT from member bios {CVE-2025-22125}
• md/raid1: fix data lost for writemostly rdev {CVE-2025-22125}
• md/raid1,raid10: don't handle IO error for REQ_RAHEAD and REQ_NOWAIT {CVE-2025-22125}
• md/raid1,raid10: don't ignore IO flags {CVE-2025-22125}
• net/sched: netem: fix queue limit check to include reordered packets {CVE-2026-52984}
• netem: Update sch->q.qlen before qdisc_tree_reduce_backlog() {CVE-2025-21703}
• net/sched: netem: account for backlog updates from child qdisc {CVE-2024-56770}
• drm/amdgpu/vcn: fix integer overflow in dec_msg buffer count check {CVE-2026-89818}
• drm/amdgpu/vcn4: Avoid overflow on msg bound check {CVE-2026-46199}
• drm/amdgpu/vcn4: Prevent OOB reads when parsing dec msg {CVE-2026-46199}
• drm/amdgpu/vcn3: Avoid overflow on msg bound check {CVE-2026-46230}
• drm/amdgpu/vcn3: Prevent OOB reads when parsing dec msg {CVE-2026-46230}
• vhost: Allow null msg.size on VHOST_IOTLB_INVALIDATE {CVE-2022-48862}
• vhost: handle error while adding split ranges to iotlb {CVE-2022-48862}
• vhost: allow batching hint without size {CVE-2022-48862}
• vhost: fix hung thread due to erroneous iotlb entries {CVE-2022-48862}
• md raid: fix hang when stopping arrays with metadata through dm-raid {CVE-2026-43309}
• dm raid: use proper md_ro_state enumerators {CVE-2026-43309}
• i40e: When removing VF MAC filters, only check PF-set MAC {CVE-2024-26830}
• i40e: Fix VF MAC filter removal {CVE-2024-26830}
• i40e: Do not allow untrusted VF to remove administratively set MAC {CVE-2024-26830}
• netlink: make sure we allow at least one dump skb {CVE-2025-38465}
• netlink: avoid infinite retry looping in netlink_unicast() {CVE-2025-38465}
• netlink: Fix rmem check in netlink_broadcast_deliver(). {CVE-2025-38465}
• netlink: Fix wraparounds of sk->sk_rmem_alloc. {CVE-2025-38465}
• ipv6: fix possible infinite loop in rt6_fill_node() {CVE-2024-56703}
• ipv6: prevent infinite loop in rt6_nlmsg_size() {CVE-2024-56703}
• ipv6: Fix soft lockups in fib6_select_path under high next hop churn {CVE-2024-56703}
• qede: fix out-of-bounds check for cqe->len_list[] {CVE-2025-40252}
• net: qlogic/qede: fix potential out-of-bounds read in qede_tpa_cont() and qede_tpa_end() {CVE-2025-40252}
• scsi: lpfc: apply the HBA_SETUP dev_loss check to SLI4 only {CVE-2024-49891}
• scsi: lpfc: Validate hdwq pointers before dereferencing in reset/errata paths {CVE-2024-49891}
• ext4: fix string copying in parse_apply_sb_mount_options() {CVE-2025-71123}
• ext4: avoid potential buffer over-read in parse_apply_sb_mount_options() {CVE-2025-40198}
• openvswitch: vport: fix self-deadlock on release of tunnel ports {CVE-2026-31678}
• openvswitch: defer tunnel netdev_put to RCU release {CVE-2026-31678}
• blk-iolatency: Fix memory leak on add_disk() failures {CVE-2022-50550}
• drm/vkms: Fix use after free and double free on init error {CVE-2025-22097}
• iommu/amd: move wait_on_sem() out of spinlock {CVE-2026-43253}
• fbdev: bitblit: bound-check glyph index in bit_cursor() {CVE-2026-74635}
• KVM: x86/mmu: WARN and clear role.invalid when creating a child shadow page {CVE-2026-80726}
• wifi: nl80211: reject beacons with bad HE operation {CVE-2026-97517}
• sctp: prevent peer transport count overflow {CVE-2026-74469}
• IB/isert: reject login PDUs declaring more data than was received {CVE-2026-90413}
• sctp: validate embedded address parameter length {CVE-2026-74287}
• tcp: fix use-after-free of retransmit_skb_hint in tcp_send_synack() {CVE-2026-98374}
• ALSA: usb-audio: Fix a DMA to stack memory bug {CVE-2024-53197}
• ALSA: usb-audio: Fix potential out-of-bound accesses for Extigy and Mbox devices {CVE-2024-53197}
• USB: core: Limit the length of unkillable synchronous timeouts {CVE-2026-43428}
• ext4: refresh inline data size before write operations {CVE-2025-68264}
• net, bpf: check master for NULL in xdp_master_redirect() {CVE-2026-64545}
• iavf: fix out-of-bounds writes in iavf_get_ethtool_stats() {CVE-2026-31505}
• dm cache: fix…

Upstream kernel 6.18.55 version fixes bugs and vulnerabilities. The kmod-xtables-addons, kmod-virtualbox, kmod-nvidia-current-wopengpu & drakx-installer-images packages have been updated to work with this new kernel.

Vanilla upstream kernel version 6.18.55 fixes vulnerabilities. For information about the vulnerabilities see the links.

Several security issues were discovered in the Linux kernel. An attacker could possibly use these to compromise the system. This update corrects flaws in the following subsystems:

• NVDIMM (Non-Volatile Memory Device) drivers;
• Handshake API;
• ARM32 architecture;
• ARM64 architecture;
• MIPS architecture;
• OpenRISC architecture;
• PowerPC architecture;
• S390 architecture;
• x86 architecture;
• Block layer subsystem;
• Cryptographic API;
• Intel NPU Driver;
• Android drivers;
• Rados block device (RBD) driver;
• Bluetooth drivers;
• Hardware random number generator core;
• TPM device driver;
• CPU frequency scaling framework;
• Hardware crypto device drivers;
• DMA engine subsystem;
• FireWire subsystem;
• Arm Firmware Framework for ARMv8-A(FFA);
• GPIO subsystem;
• GPU drivers;
• HID subsystem;
• Hardware monitoring drivers;
• CoreSight HW tracing drivers;
• I2C subsystem;
• IIO ADC drivers;
• IIO subsystem;
• InfiniBand drivers;
• Input Device core drivers;
• Input Device (Mouse) drivers;
• IOMMU subsystem;
• Multiple devices driver;
• Media drivers;
• Multifunction device drivers;
• Fastrpc Driver;
• Amazon Nitro Secure Module driver;
• MMC subsystem;
• MTD block device drivers;
• Ethernet bonding driver;
• Network drivers;
• Mellanox network drivers;
• Texas Instruments network drivers;
• NTB driver;
• NVME drivers;
• NVMEM (Non Volatile Memory) drivers;
• Parport drivers;
• Pin controllers subsystem;
• x86 platform drivers;
• i.MX PM domains;
• System reset/shutdown drivers;
• PTP clock framework;
• Voltage and Current Regulator drivers;
• S/390 drivers;
• SCSI subsystem;
• SPI subsystem;
• Realtek RTL8723BS SDIO drivers;
• VME bus staging drivers;
• Thermal drivers;
• Thunderbolt and USB4 drivers;
• TTY drivers;
• DesignWare USB2 driver;
• USB Gadget drivers;
• USB Host Controller drivers;
• USB Dual Role (OTG-ready) Controller drivers;
• USB Serial drivers;
• USB Type-C Port Controller Manager driver;
• vDPA drivers;
• Virtio Host (VHOST) subsystem;
• Framebuffer layer;
• Watchdog drivers;
• 9P distributed file system;
• AFS file system;
• File systems infrastructure;
• BTRFS file system;
• Ceph distributed file system;
• EROFS file system;
• exFAT file system;
• F2FS file system;
• FUSE (File system in Userspace);
• Journaling layer for block devices (JBD2);
• Network file system (NFS) client;
• Network file system (NFS) server daemon;
• NTFS3 file system;
• OCFS2 file system;
• Proc file system;
• SMB network file system;
• Tracing file system;
• UDF file system;
• XFS file system;
• Key management;
• BPF subsystem;
• Control group (cgroup);
• Glob pattern matching library;
• MAC80211 subsystem;
• Mellanox drivers;
• Networking core;
• Network sockets;
• IPv6 networking;
• Bluetooth subsystem;
• Wireless networking;
• IPv4 networking;
• Netfilter;
• Network traffic control;
• SCTP protocol;
• TCP network protocol;
• XFRM subsystem;
• RDMA verbs API;
• io_uring subsystem;
• IPC subsystem;
• Audit subsystem;
• Kernel CPU control infrastructure;
• Perf events;
• Kernel exit() syscall;
• Kernel fork() syscall;
• Scheduler infrastructure;
• Signal handling mechanism;
• Timer subsystem;
• Tracing infrastructure;
• Resizable hashtable library;
• Memory management;
• 6LoWPAN network protocol;
• Asynchronous Transfer Mode (ATM) subsystem;
• B.A.T.M.A.N. meshing protocol;
• Ethernet bridge;
• CAN network layer;
• Ceph Core library;
• Ethtool driver;
• HSR network protocol;
• IEEE802154.4 network protocol;
• IUCV driver;
• KCM (Kernel Connection Multiplexor) sockets driver;
• IEEE 802.15.4 subsystem;
• Multipath TCP;
• Open vSwitch;
• Packet sockets;
• Phonet protocol;
• Qualcomm IPC Router (QRTR);
• RDS protocol;
• RxRPC session sockets;
• SMC…

Several security issues were discovered in the Linux kernel. An attacker could possibly use these to compromise the system. This update corrects flaws in the following subsystems:

• USB Gadget drivers;
• Memory management;
• Multiple devices driver;
• ARM64 architecture;
• EROFS file system;
• Networking core;
• eXpress Data Path;
• ARM32 architecture;
• M68K architecture;
• MIPS architecture;
• OpenRISC architecture;
• PA-RISC architecture;
• PowerPC architecture;
• RISC-V architecture;
• S390 architecture;
• User-Mode Linux (UML);
• x86 architecture;
• Block layer subsystem;
• Cryptographic API;
• Compute Acceleration Framework;
• Intel NPU Driver;
• Speakup Console Speech Driver;
• ACPI drivers;
• Serial ATA and Parallel ATA drivers;
• Auxiliary display drivers;
• Drivers core;
• Micron PCIe SSD driver;
• Null block device driver;
• Ublk userspace block driver;
• Compressed RAM block device driver;
• Bluetooth drivers;
• Bus devices;
• AMD CDX bus driver;
• Hardware random number generator core;
• Character device driver;
• TPM device driver;
• Clock framework and drivers;
• Clocksource drivers;
• CPU frequency scaling framework;
• CPU idle management framework;
• Hardware crypto device drivers;
• CXL (Compute Express Link) drivers;
• DAX dirext access to differentiated memory framework;
• DIBS (Direct Internal Buffer Sharing) drivers;
• Buffer Sharing and Synchronization framework;
• DMA engine subsystem;
• EDAC drivers;
• FireWire subsystem;
• ARM SCMI message protocol;
• ARM SCPI message protocol;
• Google firmware drivers;
• Qualcomm firmware drivers;
• FPGA Framework;
• GPIO subsystem;
• GPU drivers;
• HID subsystem;
• HSI subsystem;
• Microsoft Hyper-V drivers;
• Hardware monitoring drivers;
• CoreSight HW tracing drivers;
• I2C subsystem;
• I3C subsystem;
• IIO subsystem;
• InfiniBand drivers;
• Input Device core drivers;
• Input Device (Miscellaneous) drivers;
• Input Device (Mouse) drivers;
• On-Chip Interconnect management framework;
• IOMMU subsystem;
• Industry Pack bus drivers;
• IRQ chip drivers;
• Mailbox framework;
• Media drivers;
• MemoryStick subsystem;
• Multifunction device drivers;
• Analog Devices digital potentiometer driver;
• Broadcom VK accelerator driver;
• Fastrpc Driver;
• Amazon Nitro Secure Module driver;
• SGI GRU driver;
• MMC subsystem;
• MTD block device drivers;
• Network drivers;
• Ethernet bonding driver;
• Mellanox network drivers;
• Microsoft Azure Network Adapter (MANA) driver;
• STMicroelectronics network drivers;
• Texas Instruments network drivers;
• MediaTek network drivers;
• Near Field Communication (NFC) drivers;
• NTB driver;
• NVDIMM (Non-Volatile Memory Device) drivers;
• NVME drivers;
• Device tree and open firmware driver;
• Operating Performance Points (OPP) driver;
• PA-RISC drivers;
• PCI subsystem;
• Performance monitor drivers;
• PHY drivers;
• Pin controllers subsystem;
• Chrome hardware platform drivers;
• Mellanox platform drivers;
• Microsoft Surface platform drivers;
• x86 platform drivers;
• MediaTek PM domains;
• Power sequencing drivers;
• Power supply drivers;
• Powercap sysfs driver;
• PTP clock framework;
• PWM drivers;
• RapidIO drivers;
• Voltage and Current Regulator drivers;
• Remote Processor subsystem;
• MPAM driver;
• RPMSG subsystem;
• Real Time Clock drivers;
• S/390 drivers;
• SCSI subsystem;
• ASPEED SoC drivers;
• Samsung SoC drivers;
• SPI subsystem;
• small TFT LCD display modules;
• Greybus lights staging drivers;
• Media staging drivers;
• Realtek RTL8723BS SDIO drivers;
• TCM subsystem;
• Trusted Execution Environment drivers;
• Thermal drivers;
• Thunderbolt and USB4 drivers;
• TTY drivers;
• UFS subsystem;
• Userspace I/O drivers;
• USB DSL drivers;
• Cypress C67X00 USB…

Several security issues were discovered in the Linux kernel. An attacker could possibly use these to compromise the system. This update corrects flaws in the following subsystems:

• USB Gadget drivers;
• Memory management;
• Multiple devices driver;
• ARM64 architecture;
• EROFS file system;
• Networking core;
• eXpress Data Path;
• ARM32 architecture;
• M68K architecture;
• MIPS architecture;
• OpenRISC architecture;
• PA-RISC architecture;
• PowerPC architecture;
• RISC-V architecture;
• S390 architecture;
• User-Mode Linux (UML);
• x86 architecture;
• Block layer subsystem;
• Cryptographic API;
• Compute Acceleration Framework;
• Intel NPU Driver;
• Speakup Console Speech Driver;
• ACPI drivers;
• Serial ATA and Parallel ATA drivers;
• Auxiliary display drivers;
• Drivers core;
• Micron PCIe SSD driver;
• Null block device driver;
• Ublk userspace block driver;
• Compressed RAM block device driver;
• Bluetooth drivers;
• Bus devices;
• AMD CDX bus driver;
• Hardware random number generator core;
• Character device driver;
• TPM device driver;
• Clock framework and drivers;
• Clocksource drivers;
• CPU frequency scaling framework;
• CPU idle management framework;
• Hardware crypto device drivers;
• CXL (Compute Express Link) drivers;
• DAX dirext access to differentiated memory framework;
• DIBS (Direct Internal Buffer Sharing) drivers;
• Buffer Sharing and Synchronization framework;
• DMA engine subsystem;
• EDAC drivers;
• FireWire subsystem;
• ARM SCMI message protocol;
• ARM SCPI message protocol;
• Google firmware drivers;
• Qualcomm firmware drivers;
• FPGA Framework;
• GPIO subsystem;
• GPU drivers;
• HID subsystem;
• HSI subsystem;
• Microsoft Hyper-V drivers;
• Hardware monitoring drivers;
• CoreSight HW tracing drivers;
• I2C subsystem;
• I3C subsystem;
• IIO subsystem;
• InfiniBand drivers;
• Input Device core drivers;
• Input Device (Miscellaneous) drivers;
• Input Device (Mouse) drivers;
• On-Chip Interconnect management framework;
• IOMMU subsystem;
• Industry Pack bus drivers;
• IRQ chip drivers;
• Mailbox framework;
• Media drivers;
• MemoryStick subsystem;
• Multifunction device drivers;
• Analog Devices digital potentiometer driver;
• Broadcom VK accelerator driver;
• Fastrpc Driver;
• Amazon Nitro Secure Module driver;
• SGI GRU driver;
• MMC subsystem;
• MTD block device drivers;
• Network drivers;
• Ethernet bonding driver;
• Mellanox network drivers;
• Microsoft Azure Network Adapter (MANA) driver;
• STMicroelectronics network drivers;
• Texas Instruments network drivers;
• MediaTek network drivers;
• Near Field Communication (NFC) drivers;
• NTB driver;
• NVDIMM (Non-Volatile Memory Device) drivers;
• NVME drivers;
• Device tree and open firmware driver;
• Operating Performance Points (OPP) driver;
• PA-RISC drivers;
• PCI subsystem;
• Performance monitor drivers;
• PHY drivers;
• Pin controllers subsystem;
• Chrome hardware platform drivers;
• Mellanox platform drivers;
• Microsoft Surface platform drivers;
• x86 platform drivers;
• MediaTek PM domains;
• Power sequencing drivers;
• Power supply drivers;
• Powercap sysfs driver;
• PTP clock framework;
• PWM drivers;
• RapidIO drivers;
• Voltage and Current Regulator drivers;
• Remote Processor subsystem;
• MPAM driver;
• RPMSG subsystem;
• Real Time Clock drivers;
• S/390 drivers;
• SCSI subsystem;
• ASPEED SoC drivers;
• Samsung SoC drivers;
• SPI subsystem;
• small TFT LCD display modules;
• Greybus lights staging drivers;
• Media staging drivers;
• Realtek RTL8723BS SDIO drivers;
• TCM subsystem;
• Trusted Execution Environment drivers;
• Thermal drivers;
• Thunderbolt and USB4 drivers;
• TTY drivers;
• UFS subsystem;
• Userspace I/O drivers;
• USB DSL drivers;
• Cypress C67X00 USB…