CVE-2025-21930 — wifi: iwlwifi: mvm: don't try to talk to a dead firmware

Affected: Linux

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

wifi: iwlwifi: mvm: don't try to talk to a dead firmware

This fixes:

bad state = 0 WARNING: CPU: 10 PID: 702 at drivers/net/wireless/inel/iwlwifi/iwl-trans.c:178 iwl_trans_send_cmd+0xba/0xe0 [iwlwifi] Call Trace: <TASK> ? __warn+0xca/0x1c0 ? iwl_trans_send_cmd+0xba/0xe0 [iwlwifi 64fa9ad799a0e0d2ba53d4af93a53ad9a531f8d4] iwl_fw_dbg_clear_monitor_buf+0xd7/0x110 [iwlwifi 64fa9ad799a0e0d2ba53d4af93a53ad9a531f8d4] _iwl_dbgfs_fw_dbg_clear_write+0xe2/0x120 [iwlmvm 0e8adb18cea92d2c341766bcc10b18699290068a]

Ask whether the firmware is alive before sending a command.

USN-7605-1 — linux, linux-aws, linux-gcp, linux-gcp-6.11, linux-hwe-6.11, linux-oracle, linux-raspi, linux-realtime vulnerabilities

Affected: Ubuntu:24.04:LTS: linux-gcp-6.11, Ubuntu:24.04:LTS: linux-hwe-6.11

It was discovered that the CIFS network file system implementation in the Linux kernel did not properly verify the target namespace when handling upcalls. An attacker could use this to expose sensitive information. (CVE-2025-2312)

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: - ARM32 architecture; - ARM64 architecture; - PowerPC architecture; - x86 architecture; - Compute Acceleration Framework; - ACPI drivers; - Ublk userspace block driver; - Compressed RAM block device driver; - Bus devices; - AMD CDX bus driver; - Clock framework and drivers; - DMA engine subsystem; - DPLL subsystem; - Qualcomm firmware drivers; - GPIO subsystem; - GPU drivers; - HID subsystem; - IIO subsystem; - InfiniBand drivers; - Multiple devices driver; - Media drivers; - MemoryStick subsystem; - Network drivers; - Mellanox network drivers; - NTB driver; - NVME drivers; - PCI subsystem; - Pin controllers subsystem; - RapidIO drivers; - Voltage and Current Regulator drivers; - Remote Processor subsystem; - SCSI subsystem; - SLIMbus drivers; - QCOM SoC drivers; - VideoCore services drivers; - Thermal drivers; - USB DSL drivers; - USB Host Controller drivers; - Renesas USBHS Controller drivers; - USB Type-C Connector System Software Interface driver; - Virtio Host (VHOST) subsystem; - Fr…

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CVE-2025-21930 — wifi: iwlwifi: mvm: don't try to talk to a dead firmware

USN-7605-1 — linux, linux-aws, linux-gcp, linux-gcp-6.11, linux-hwe-6.11, linux-oracle, linux-raspi, linux-realtime vulnerabilities