In the Linux kernel, the following vulnerability has been resolved:
net: ethernet: mtk-star-emac: fix spinlock recursion issues on rx/tx poll
Use spin_lock_irqsave and spin_unlock_irqrestore instead of spin_lock and spin_unlock in mtk_star_emac driver to avoid spinlock recursion occurrence that can happen when enabling the DMA interrupts again in rx/tx poll.
``` BUG: spinlock recursion on CPU#0, swapper/0/0 lock: 0xffff00000db9cf20, .magic: dead4ead, .owner: swapper/0/0, .owner_cpu: 0 CPU: 0 UID: 0 PID: 0 Comm: swapper/0 Not tainted 6.15.0-rc2-next-20250417-00001-gf6a27738686c-dirty #28 PREEMPT Hardware name: MediaTek MT8365 Open Platform EVK (DT) Call trace: show_stack+0x18/0x24 (C) dump_stack_lvl+0x60/0x80 dump_stack+0x18/0x24 spin_dump+0x78/0x88 do_raw_spin_lock+0x11c/0x120 _raw_spin_lock+0x20/0x2c mtk_star_handle_irq+0xc0/0x22c [mtk_star_emac] __handle_irq_event_percpu+0x48/0x140 handle_irq_event+0x4c/0xb0 handle_fasteoi_irq+0xa0/0x1bc handle_irq_desc+0x34/0x58 generic_handle_domain_irq+0x1c/0x28 gic_handle_irq+0x4c/0x120 do_interrupt_handler+0x50/0x84 el1_interrupt+0x34/0x68 el1h_64_irq_handler+0x18/0x24 el1h_64_irq+0x6c/0x70 regmap_mmio_read32le+0xc/0x20 (P) _regmap_bus_reg_read+0x6c/0xac _regmap_read+0x60/0xdc regmap_read+0x4c/0x80 mtk_star_rx_poll+0x2f4/0x39c [mtk_star_emac] __napi_poll+0x38/0x188 net_rx_action+0x164/0x2c0 handle_softirqs+0x100/0x244 __do_softirq+0x14/0x20 ____do_softirq+0x10/0x20 call_on_irq_stack+0x24/0x64 do_softirq_own_stack+0x1c/0x40 __irq_exit_rcu+0xd4/0x10c irq_exit_rcu+0x10/0x1c el1_interrupt+0x38/0x68 el1h_64_irq_handler+0x18/0x24 el1h_64_irq+0x6c/0x70 cpuidle_enter_state+0xac/0x320 (P) cpuidle_enter+0x38/0x50 do_idle+0x1e4/0x260 cpu_startup_entry+0x34/0x3c rest_init+0xdc/0xe0 console_on_rootfs+0x0/0x6c __primary_switched+0x88/0x90 ```
CVSS Details
- CVSS 3.1 Base Score: 7.5
- CVSS 3.1 Vector: (CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H)
Covered by Rapid7
| Product | Vendor Advisory | Solution File | Added | Published |
|---|---|---|---|---|
| Debian | — | Upgrade linuxUpgrade linux-6.1 | May 28, 2025 | May 20, 2025 |
| Suse | — | Upgrade ocfs2-kmp-rtUpgrade kernel-rt-develUpgrade kernel-rt-livepatch-develUpgrade gfs2-kmp-rtUpgrade kernel-macrosUpgrade cluster-md-kmp-rtUpgrade dtb-amdUpgrade gfs2-kmp-64kbUpgrade kernel-develUpgrade kernel-debug-develUpgrade kernel-kvmsmall-develUpgrade reiserfs-kmp-defaultUpgrade kernel-zfcpdumpUpgrade dtb-xilinxUpgrade dlm-kmp-azureUpgrade kernel-rt_debug-vdsoUpgrade kernel-docsUpgrade kselftests-kmp-rtUpgrade reiserfs-kmp-azureUpgrade kernel-syms-rtUpgrade kernel-64kb-optionalUpgrade kernel-symsUpgrade dtb-renesasUpgrade kernel-64kb-develUpgrade kernel-devel-azureUpgrade cluster-md-kmp-azureUpgrade dtb-amlogicUpgrade kernel-devel-rtUpgrade kernel-kvmsmallUpgrade cluster-md-kmp-defaultUpgrade dtb-armUpgrade kernel-default-extraUpgrade kernel-obs-qaUpgrade kselftests-kmp-defaultUpgrade dtb-qcomUpgrade dlm-kmp-defaultUpgrade kernel-syms-azureUpgrade kernel-azure-vdsoUpgrade kernel-debugUpgrade kernel-default-optionalUpgrade dtb-socionextUpgrade kernel-defaultUpgrade dtb-mediatekUpgrade reiserfs-kmp-rtUpgrade dtb-apmUpgrade dtb-hisiliconUpgrade cluster-md-kmp-64kbUpgrade dlm-kmp-rtUpgrade dtb-nvidiaUpgrade kernel-azure-extraUpgrade kernel-kvmsmall-vdsoUpgrade dlm-kmp-64kbUpgrade kernel-obs-buildUpgrade kernel-docs-htmlUpgrade kernel-default-livepatch-develUpgrade kernel-azureUpgrade kernel-64kb-extraUpgrade gfs2-kmp-defaultUpgrade ocfs2-kmp-defaultUpgrade dtb-broadcomUpgrade dtb-sprdUpgrade dtb-rockchipUpgrade dtb-amazonUpgrade dtb-allwinnerUpgrade kernel-rt-optionalUpgrade kernel-rtUpgrade kernel-debug-vdsoUpgrade kernel-default-develUpgrade kernel-64kbUpgrade gfs2-kmp-azureUpgrade kernel-source-azureUpgrade kernel-sourceUpgrade kernel-default-baseUpgrade kernel-azure-develUpgrade dtb-marvellUpgrade ocfs2-kmp-64kbUpgrade kernel-source-rtUpgrade kernel-azure-optionalUpgrade dtb-freescaleUpgrade dtb-exynosUpgrade ocfs2-kmp-azureUpgrade dtb-lgUpgrade kernel-source-vanillaUpgrade kselftests-kmp-azureUpgrade reiserfs-kmp-64kbUpgrade dtb-caviumUpgrade kernel-rt-vdsoUpgrade kernel-default-livepatchUpgrade dtb-appleUpgrade dtb-alteraUpgrade kernel-rt_debugUpgrade kernel-rt_debug-develUpgrade kselftests-kmp-64kbUpgrade kernel-rt-extraUpgrade kernel-default-vdsoUpgrade kernel-default-base-rebuild | Dec 5, 2025 | Jul 8, 2025 |
| Ubuntu | — | Upgrade linux-image-generic-64k-6.14Upgrade linux-image-6.8.0-1043-oracle-64kUpgrade linux-image-6.8.1-1041-realtimeUpgrade linux-image-6.14.0-1009-awsUpgrade linux-image-aws-64kUpgrade linux-image-realtime-6.8.1Upgrade linux-image-azure-fipsUpgrade linux-image-generic-hwe-24.04Upgrade linux-image-aws-64k-lts-24.04Upgrade linux-image-6.8.0-1047-raspiUpgrade linux-image-generic-64k-hwe-22.04Upgrade linux-image-6.8.0-1047-gcp-fipsUpgrade linux-image-virtual-6.8Upgrade linux-image-nvidia-lowlatency-64k-6.8Upgrade linux-image-aws-lts-24.04Upgrade linux-image-gke-6.8Upgrade linux-image-nvidia-lowlatencyUpgrade linux-image-raspi-6.14Upgrade linux-image-kvmUpgrade linux-image-fips-6.8Upgrade linux-image-azureUpgrade linux-image-gcp-64k-6.8Upgrade linux-image-realtime-6.14Upgrade linux-image-gcp-64kUpgrade linux-image-raspiUpgrade linux-image-oem-24.04cUpgrade linux-image-xilinx-zynqmpUpgrade linux-image-generic-64k-hwe-24.04Upgrade linux-image-nvidia-hwe-22.04Upgrade linux-image-oracle-6.8Upgrade linux-image-virtual-hwe-22.04Upgrade linux-image-oem-22.04dUpgrade linux-image-oem-24.04aUpgrade linux-image-awsUpgrade linux-image-realtimeUpgrade linux-image-gke-64kUpgrade linux-image-gke-64k-6.8Upgrade linux-image-oem-22.04bUpgrade linux-image-virtual-6.14Upgrade linux-image-6.8.0-1043-gke-64kUpgrade linux-image-6.14.0-1011-gcp-64kUpgrade linux-image-6.8.0-1046-nvidiaUpgrade linux-image-6.8.0-1030-gkeopUpgrade linux-image-6.14.0-1009-oracle-64kUpgrade linux-image-aws-fips-6.8Upgrade linux-image-nvidia-6.8Upgrade linux-image-oracleUpgrade linux-image-gcp-64k-6.14Upgrade linux-image-azure-fips-6.8Upgrade linux-image-6.8.0-2037-raspi-realtimeUpgrade linux-image-aws-64k-6.8Upgrade linux-image-gcpUpgrade linux-image-nvidia-64kUpgrade linux-image-oracle-64kUpgrade linux-image-6.14.0-1009-raspiUpgrade linux-image-realtime-hwe-22.04Upgrade linux-image-6.8.0-100-lowlatencyUpgrade linux-image-ibm-lts-24.04Upgrade linux-image-6.8.0-1047-gcpUpgrade linux-image-raspi-6.8Upgrade linux-image-6.14.0-1011-gcpUpgrade linux-image-aws-6.14Upgrade linux-image-xilinxUpgrade linux-image-gcp-6.8Upgrade linux-image-lowlatency-64k-6.8Upgrade linux-image-xilinx-6.8Upgrade linux-image-gcp-6.14Upgrade linux-image-gcp-lts-24.04Upgrade linux-image-6.8.0-1046-azure-fipsUpgrade linux-image-aws-64k-6.14Upgrade linux-image-6.8.0-1046-aws-fipsUpgrade linux-image-generic-6.14Upgrade linux-image-6.8.0-1044-ibmUpgrade linux-image-generic-64k-6.8Upgrade linux-image-generic-hwe-22.04Upgrade linux-image-gkeUpgrade linux-image-6.8.0-1046-nvidia-lowlatency-64kUpgrade linux-image-gkeop-6.8Upgrade linux-image-6.8.0-1046-nvidia-64kUpgrade linux-image-6.8.0-1051-azureUpgrade linux-image-virtualUpgrade linux-image-nvidia-64k-6.8Upgrade linux-image-genericUpgrade linux-image-gcp-fips-6.8Upgrade linux-image-lowlatency-hwe-22.04Upgrade linux-image-6.8.0-1047-gcp-64kUpgrade linux-image-generic-6.8Upgrade linux-image-nvidia-lowlatency-64kUpgrade linux-image-gcp-fipsUpgrade linux-image-intel-iot-realtimeUpgrade linux-image-oem-22.04cUpgrade linux-image-6.14.0-24-generic-64kUpgrade linux-image-gcp-64k-lts-24.04Upgrade linux-image-6.8.0-1043-oracleUpgrade linux-image-6.14.0-1006-realtimeUpgrade linux-image-nvidia-lowlatency-6.8Upgrade linux-image-fipsUpgrade linux-image-generic-lpaeUpgrade linux-image-nvidiaUpgrade linux-image-lowlatency-6.8Upgrade linux-image-generic-64kUpgrade linux-image-6.8.0-1023-xilinxUpgrade linux-image-6.14.0-1010-azureUpgrade linux-image-virtual-hwe-24.04Upgrade linux-image-oem-6.14Upgrade linux-image-aws-6.8Upgrade linux-image-oracle-64k-6.14Upgrade linux-image-oem-22.04Upgrade linux-image-raspi-realtime-6.8Upgrade linux-image-oracle-6.14Upgrade linux-image-ibm-classicUpgrade linux-image-6.14.0-24-genericUpgrade linux-image-lowlatency-64kUpgrade linux-image-azure-6.14Upgrade linux-image-realtime-hwe-24.04Upgrade linux-image-lowlatency-64k-hwe-22.04Upgrade linux-image-6.8.0-1046-aws-64kUpgrade linux-image-6.8.0-1043-gkeUpgrade linux-image-6.8.0-100-genericUpgrade linux-image-6.8.0-100-fipsUpgrade linux-image-oracle-lts-24.04Upgrade linux-image-oem-24.04Upgrade linux-image-lowlatencyUpgrade linux-image-intel-iotgUpgrade linux-image-ibm-6.8Upgrade linux-image-ibmUpgrade linux-image-gkeopUpgrade linux-image-6.8.0-1046-nvidia-lowlatencyUpgrade linux-image-6.8.0-100-generic-64kUpgrade linux-image-6.8.0-1046-azureUpgrade linux-image-6.8.0-1046-awsUpgrade linux-image-6.14.0-1009-oracleUpgrade linux-image-6.14.0-1009-aws-64kUpgrade linux-image-6.14.0-1007-oemUpgrade linux-image-oracle-64k-lts-24.04Upgrade linux-image-azure-6.8Upgrade linux-image-nvidia-64k-hwe-22.04Upgrade linux-image-aws-fipsUpgrade linux-image-oem-22.04aUpgrade linux-image-azure-lts-24.04Upgrade linux-image-6.8.0-100-lowlatency-64kUpgrade linux-image-raspi-realtimeUpgrade linux-image-oracle-64k-6.8 | Jun 26, 2025 | May 20, 2025 |
| Vmware Photon_os | — | Use 'tdnf update' to upgrade all packages to the latest version. | Oct 8, 2025 | May 20, 2025 |
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