In the Linux kernel, the following vulnerability has been resolved:
net: wwan: t7xx: Fix FSM command timeout issue
When driver processes the internal state change command, it use an asynchronous thread to process the command operation. If the main thread detects that the task has timed out, the asynchronous thread will panic when executing the completion notification because the main thread completion object has been released.
BUG: unable to handle page fault for address: fffffffffffffff8 PGD 1f283a067 P4D 1f283a067 PUD 1f283c067 PMD 0 Oops: 0000 [#1] PREEMPT SMP NOPTI RIP: 0010:complete_all+0x3e/0xa0 [...] Call Trace: <TASK> ? __die_body+0x68/0xb0 ? page_fault_oops+0x379/0x3e0 ? exc_page_fault+0x69/0xa0 ? asm_exc_page_fault+0x22/0x30 ? complete_all+0x3e/0xa0 fsm_main_thread+0xa3/0x9c0 [mtk_t7xx (HASH:1400 5)] ? __pfx_autoremove_wake_function+0x10/0x10 kthread+0xd8/0x110 ? __pfx_fsm_main_thread+0x10/0x10 [mtk_t7xx (HASH:1400 5)] ? __pfx_kthread+0x10/0x10 ret_from_fork+0x38/0x50 ? __pfx_kthread+0x10/0x10 ret_from_fork_asm+0x1b/0x30 </TASK> [...] CR2: fffffffffffffff8 ---[ end trace 0000000000000000 ]---
Use the reference counter to ensure safe release as Sergey suggests: https://lore.kernel.org/all/[email protected]/
| Product | Vendor Advisory | Solution File | Added | Published |
|---|---|---|---|---|
| Debian | — | Upgrade linux-6.1Upgrade linux | Feb 10, 2025 | Jan 15, 2025 |
| Suse | — | Upgrade kernel-rt_debug-develUpgrade kernel-64kb-optionalUpgrade cluster-md-kmp-azureUpgrade dtb-lgUpgrade kernel-64kbUpgrade kernel-zfcpdumpUpgrade dtb-freescaleUpgrade kernel-default-livepatch-develUpgrade kernel-rt-vdsoUpgrade dtb-amlogicUpgrade kernel-source-azureUpgrade kernel-default-livepatchUpgrade kernel-macrosUpgrade kernel-rt-optionalUpgrade dtb-alteraUpgrade kernel-azureUpgrade dtb-appleUpgrade kernel-default-baseUpgrade gfs2-kmp-defaultUpgrade kernel-azure-extraUpgrade kernel-debugUpgrade dtb-broadcomUpgrade dlm-kmp-64kbUpgrade dtb-hisiliconUpgrade reiserfs-kmp-rtUpgrade kernel-rt-livepatch-develUpgrade reiserfs-kmp-defaultUpgrade ocfs2-kmp-rtUpgrade gfs2-kmp-64kbUpgrade kernel-azure-vdsoUpgrade kernel-source-rtUpgrade dtb-amdUpgrade kernel-default-develUpgrade kernel-kvmsmall-develUpgrade kselftests-kmp-azureUpgrade kernel-rt_debug-vdsoUpgrade dtb-renesasUpgrade kernel-docs-htmlUpgrade kernel-rt_debugUpgrade kernel-azure-optionalUpgrade kernel-kvmsmall-vdsoUpgrade dtb-amazonUpgrade dtb-marvellUpgrade reiserfs-kmp-64kbUpgrade dtb-socionextUpgrade kselftests-kmp-rtUpgrade ocfs2-kmp-64kbUpgrade kernel-debug-vdsoUpgrade kernel-source-vanillaUpgrade kernel-debug-develUpgrade kernel-syms-rtUpgrade gfs2-kmp-rtUpgrade dlm-kmp-defaultUpgrade cluster-md-kmp-defaultUpgrade ocfs2-kmp-defaultUpgrade ocfs2-kmp-azureUpgrade dtb-mediatekUpgrade kernel-develUpgrade kernel-obs-buildUpgrade kernel-devel-rtUpgrade dtb-xilinxUpgrade kernel-rt-develUpgrade kernel-devel-azureUpgrade kernel-azure-develUpgrade kernel-syms-azureUpgrade kernel-sourceUpgrade kernel-default-optionalUpgrade reiserfs-kmp-azureUpgrade dlm-kmp-rtUpgrade kselftests-kmp-64kbUpgrade kernel-docsUpgrade dtb-exynosUpgrade cluster-md-kmp-rtUpgrade cluster-md-kmp-64kbUpgrade dtb-rockchipUpgrade kernel-obs-qaUpgrade kernel-defaultUpgrade kselftests-kmp-defaultUpgrade kernel-symsUpgrade dtb-sprdUpgrade kernel-kvmsmallUpgrade kernel-default-extraUpgrade kernel-64kb-develUpgrade kernel-64kb-extraUpgrade dtb-qcomUpgrade kernel-rtUpgrade kernel-default-base-rebuildUpgrade dtb-caviumUpgrade dtb-armUpgrade dtb-nvidiaUpgrade gfs2-kmp-azureUpgrade dtb-apmUpgrade dtb-allwinnerUpgrade dlm-kmp-azureUpgrade kernel-rt-extraUpgrade kernel-default-vdso | Dec 5, 2025 | Jan 29, 2025 |
| Ubuntu | — | Upgrade linux-image-gkeop-6.8Upgrade linux-image-oem-22.04bUpgrade linux-image-6.8.0-1030-gcp-64kUpgrade linux-image-oem-24.04bUpgrade linux-image-6.11.0-1013-oracle-64kUpgrade linux-image-generic-64kUpgrade linux-image-oem-22.04cUpgrade linux-image-nvidia-hwe-22.04Upgrade linux-image-realtimeUpgrade linux-image-6.8.0-60-generic-64kUpgrade linux-image-oracleUpgrade linux-image-6.8.0-1016-azure-nvidiaUpgrade linux-image-lowlatency-hwe-24.04Upgrade linux-image-genericUpgrade linux-image-6.8.0-1029-azure-fdeUpgrade linux-image-virtual-hwe-24.04Upgrade linux-image-virtualUpgrade linux-image-6.8.1-1022-realtimeUpgrade linux-image-6.11.0-1011-lowlatency-64kUpgrade linux-image-6.11.0-1010-raspiUpgrade linux-image-virtual-hwe-22.04Upgrade linux-image-lowlatency-64k-hwe-22.04Upgrade linux-image-6.8.0-60-lowlatencyUpgrade linux-image-lowlatency-64k-hwe-24.04Upgrade linux-image-gkeUpgrade linux-image-oracle-64kUpgrade linux-image-raspi-realtimeUpgrade linux-image-6.8.0-1012-gkeopUpgrade linux-image-nvidia-64kUpgrade linux-image-gcp-lts-24.04Upgrade linux-image-6.8.0-1029-azureUpgrade linux-image-aws-lts-24.04Upgrade linux-image-realtime-hwe-24.04Upgrade linux-image-generic-hwe-22.04Upgrade linux-image-oracle-lts-24.04Upgrade linux-image-generic-hwe-24.04Upgrade linux-image-nvidiaUpgrade linux-image-gcpUpgrade linux-image-gkeopUpgrade linux-image-oem-24.04aUpgrade linux-image-oem-24.04Upgrade linux-image-6.8.0-1028-nvidiaUpgrade linux-image-lowlatency-64kUpgrade linux-image-6.8.0-1029-awsUpgrade linux-image-generic-64k-hwe-22.04Upgrade linux-image-6.8.0-60-lowlatency-64kUpgrade linux-image-6.8.0-1028-nvidia-lowlatency-64kUpgrade linux-image-6.11.0-21-generic-64kUpgrade linux-image-6.8.0-1030-gcpUpgrade linux-image-6.8.0-1026-oracleUpgrade linux-image-6.8.0-1028-oemUpgrade linux-image-gcp-64k-lts-24.04Upgrade linux-image-kvmUpgrade linux-image-lowlatencyUpgrade linux-image-6.11.0-1013-oracleUpgrade linux-image-generic-lpaeUpgrade linux-image-6.11.0-1011-gcpUpgrade linux-image-nvidia-6.8Upgrade linux-image-6.11.0-1017-oemUpgrade linux-image-6.8.0-1028-nvidia-lowlatencyUpgrade linux-image-generic-64k-hwe-24.04Upgrade linux-image-6.8.0-1026-oracle-64kUpgrade linux-image-azure-fdeUpgrade linux-image-oem-22.04aUpgrade linux-image-6.11.0-1011-awsUpgrade linux-image-ibm-classicUpgrade linux-image-oem-22.04Upgrade linux-image-6.8.0-60-genericUpgrade linux-image-azureUpgrade linux-image-6.11.0-1012-azureUpgrade linux-image-raspiUpgrade linux-image-6.8.0-1025-gkeUpgrade linux-image-6.11.0-1007-realtimeUpgrade linux-image-awsUpgrade linux-image-azure-fde-lts-24.04Upgrade linux-image-6.8.0-1028-raspiUpgrade linux-image-6.11.0-1011-lowlatencyUpgrade linux-image-oracle-64k-lts-24.04Upgrade linux-image-nvidia-64k-6.8Upgrade linux-image-nvidia-lowlatency-64kUpgrade linux-image-6.8.0-1026-ibmUpgrade linux-image-6.8.0-1028-nvidia-64kUpgrade linux-image-nvidia-64k-hwe-22.04Upgrade linux-image-ibm-lts-24.04Upgrade linux-image-nvidia-lowlatencyUpgrade linux-image-6.11.0-1011-gcp-64kUpgrade linux-image-azure-lts-24.04Upgrade linux-image-gcp-64kUpgrade linux-image-oem-22.04dUpgrade linux-image-6.11.0-1012-azure-fdeUpgrade linux-image-azure-nvidiaUpgrade linux-image-6.8.0-2023-raspi-realtimeUpgrade linux-image-lowlatency-hwe-22.04Upgrade linux-image-6.11.0-21-genericUpgrade linux-image-ibm | Mar 28, 2025 | Jan 15, 2025 |
| Vmware Photon_os | — | Use 'tdnf update' to upgrade all packages to the latest version. | Jan 29, 2025 | Jan 15, 2025 |
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