Unrated severityNVD Advisory· Published May 20, 2025· Updated Nov 3, 2025
net: ethernet: mtk-star-emac: fix spinlock recursion issues on rx/tx poll
CVE-2025-37917
Description
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
Affected products
72- osv-coords70 versionspkg:rpm/opensuse/dtb-aarch64&distro=openSUSE%20Leap%2015.6pkg:rpm/opensuse/kernel-64kb&distro=openSUSE%20Leap%2015.6pkg:rpm/opensuse/kernel-azure&distro=openSUSE%20Leap%2015.6pkg:rpm/opensuse/kernel-debug&distro=openSUSE%20Leap%2015.6pkg:rpm/opensuse/kernel-default-base&distro=openSUSE%20Leap%2015.6pkg:rpm/opensuse/kernel-default&distro=openSUSE%20Leap%2015.6pkg:rpm/opensuse/kernel-docs&distro=openSUSE%20Leap%2015.6pkg:rpm/opensuse/kernel-kvmsmall&distro=openSUSE%20Leap%2015.6pkg:rpm/opensuse/kernel-obs-build&distro=openSUSE%20Leap%2015.6pkg:rpm/opensuse/kernel-obs-qa&distro=openSUSE%20Leap%2015.6pkg:rpm/opensuse/kernel-rt_debug&distro=openSUSE%20Leap%2015.6pkg:rpm/opensuse/kernel-rt&distro=openSUSE%20Leap%2015.6pkg:rpm/opensuse/kernel-source-azure&distro=openSUSE%20Leap%2015.6pkg:rpm/opensuse/kernel-source&distro=openSUSE%20Leap%2015.6pkg:rpm/opensuse/kernel-source-rt&distro=openSUSE%20Leap%2015.6pkg:rpm/opensuse/kernel-syms-azure&distro=openSUSE%20Leap%2015.6pkg:rpm/opensuse/kernel-syms&distro=openSUSE%20Leap%2015.6pkg:rpm/opensuse/kernel-syms-rt&distro=openSUSE%20Leap%2015.6pkg:rpm/opensuse/kernel-zfcpdump&distro=openSUSE%20Leap%2015.6pkg:rpm/suse/kernel-64kb&distro=SUSE%20Linux%20Enterprise%20Module%20for%20Basesystem%2015%20SP6pkg:rpm/suse/kernel-64kb&distro=SUSE%20Linux%20Enterprise%20Module%20for%20Basesystem%2015%20SP7pkg:rpm/suse/kernel-azure&distro=SUSE%20Linux%20Enterprise%20Module%20for%20Public%20Cloud%2015%20SP6pkg:rpm/suse/kernel-azure&distro=SUSE%20Linux%20Enterprise%20Module%20for%20Public%20Cloud%2015%20SP7pkg:rpm/suse/kernel-coco_debug&distro=SUSE%20Linux%20Enterprise%20Module%20for%20Confidential%20Computing%20Technical%20Preview%2015%20SP6pkg:rpm/suse/kernel-coco&distro=SUSE%20Linux%20Enterprise%20Module%20for%20Confidential%20Computing%20Technical%20Preview%2015%20SP6pkg:rpm/suse/kernel-default-base&distro=SUSE%20Linux%20Enterprise%20Module%20for%20Basesystem%2015%20SP6pkg:rpm/suse/kernel-default-base&distro=SUSE%20Linux%20Enterprise%20Module%20for%20Basesystem%2015%20SP7pkg:rpm/suse/kernel-default&distro=SUSE%20Linux%20Enterprise%20High%20Availability%20Extension%2015%20SP6pkg:rpm/suse/kernel-default&distro=SUSE%20Linux%20Enterprise%20High%20Availability%20Extension%2015%20SP7pkg:rpm/suse/kernel-default&distro=SUSE%20Linux%20Enterprise%20Live%20Patching%2015%20SP6pkg:rpm/suse/kernel-default&distro=SUSE%20Linux%20Enterprise%20Live%20Patching%2015%20SP7pkg:rpm/suse/kernel-default&distro=SUSE%20Linux%20Enterprise%20Module%20for%20Basesystem%2015%20SP6pkg:rpm/suse/kernel-default&distro=SUSE%20Linux%20Enterprise%20Module%20for%20Basesystem%2015%20SP7pkg:rpm/suse/kernel-default&distro=SUSE%20Linux%20Enterprise%20Module%20for%20Legacy%2015%20SP6pkg:rpm/suse/kernel-default&distro=SUSE%20Linux%20Enterprise%20Module%20for%20Legacy%2015%20SP7pkg:rpm/suse/kernel-default&distro=SUSE%20Linux%20Enterprise%20Workstation%20Extension%2015%20SP6pkg:rpm/suse/kernel-default&distro=SUSE%20Linux%20Enterprise%20Workstation%20Extension%2015%20SP7pkg:rpm/suse/kernel-docs&distro=SUSE%20Linux%20Enterprise%20Module%20for%20Development%20Tools%2015%20SP6pkg:rpm/suse/kernel-docs&distro=SUSE%20Linux%20Enterprise%20Module%20for%20Development%20Tools%2015%20SP7pkg:rpm/suse/kernel-livepatch-SLE15-SP6-RT_Update_13&distro=SUSE%20Linux%20Enterprise%20Live%20Patching%2015%20SP6pkg:rpm/suse/kernel-livepatch-SLE15-SP6_Update_13&distro=SUSE%20Linux%20Enterprise%20Live%20Patching%2015%20SP6pkg:rpm/suse/kernel-livepatch-SLE15-SP7-RT_Update_2&distro=SUSE%20Linux%20Enterprise%20Live%20Patching%2015%20SP7pkg:rpm/suse/kernel-livepatch-SLE15-SP7_Update_2&distro=SUSE%20Linux%20Enterprise%20Live%20Patching%2015%20SP7pkg:rpm/suse/kernel-obs-build&distro=SUSE%20Linux%20Enterprise%20Module%20for%20Development%20Tools%2015%20SP6pkg:rpm/suse/kernel-obs-build&distro=SUSE%20Linux%20Enterprise%20Module%20for%20Development%20Tools%2015%20SP7pkg:rpm/suse/kernel-rt_debug&distro=SUSE%20Real%20Time%20Module%2015%20SP6pkg:rpm/suse/kernel-rt&distro=SUSE%20Linux%20Micro%206.0pkg:rpm/suse/kernel-rt&distro=SUSE%20Linux%20Micro%206.1pkg:rpm/suse/kernel-rt&distro=SUSE%20Real%20Time%20Module%2015%20SP6pkg:rpm/suse/kernel-rt&distro=SUSE%20Real%20Time%20Module%2015%20SP7pkg:rpm/suse/kernel-source-azure&distro=SUSE%20Linux%20Enterprise%20Module%20for%20Public%20Cloud%2015%20SP6pkg:rpm/suse/kernel-source-azure&distro=SUSE%20Linux%20Enterprise%20Module%20for%20Public%20Cloud%2015%20SP7pkg:rpm/suse/kernel-source-coco&distro=SUSE%20Linux%20Enterprise%20Module%20for%20Confidential%20Computing%20Technical%20Preview%2015%20SP6pkg:rpm/suse/kernel-source&distro=SUSE%20Linux%20Enterprise%20Module%20for%20Basesystem%2015%20SP6pkg:rpm/suse/kernel-source&distro=SUSE%20Linux%20Enterprise%20Module%20for%20Basesystem%2015%20SP7pkg:rpm/suse/kernel-source&distro=SUSE%20Linux%20Enterprise%20Module%20for%20Development%20Tools%2015%20SP6pkg:rpm/suse/kernel-source&distro=SUSE%20Linux%20Enterprise%20Module%20for%20Development%20Tools%2015%20SP7pkg:rpm/suse/kernel-source-rt&distro=SUSE%20Linux%20Micro%206.0pkg:rpm/suse/kernel-source-rt&distro=SUSE%20Linux%20Micro%206.1pkg:rpm/suse/kernel-source-rt&distro=SUSE%20Real%20Time%20Module%2015%20SP6pkg:rpm/suse/kernel-source-rt&distro=SUSE%20Real%20Time%20Module%2015%20SP7pkg:rpm/suse/kernel-syms-azure&distro=SUSE%20Linux%20Enterprise%20Module%20for%20Public%20Cloud%2015%20SP6pkg:rpm/suse/kernel-syms-azure&distro=SUSE%20Linux%20Enterprise%20Module%20for%20Public%20Cloud%2015%20SP7pkg:rpm/suse/kernel-syms-coco&distro=SUSE%20Linux%20Enterprise%20Module%20for%20Confidential%20Computing%20Technical%20Preview%2015%20SP6pkg:rpm/suse/kernel-syms&distro=SUSE%20Linux%20Enterprise%20Module%20for%20Development%20Tools%2015%20SP6pkg:rpm/suse/kernel-syms&distro=SUSE%20Linux%20Enterprise%20Module%20for%20Development%20Tools%2015%20SP7pkg:rpm/suse/kernel-syms-rt&distro=SUSE%20Real%20Time%20Module%2015%20SP6pkg:rpm/suse/kernel-syms-rt&distro=SUSE%20Real%20Time%20Module%2015%20SP7pkg:rpm/suse/kernel-zfcpdump&distro=SUSE%20Linux%20Enterprise%20Module%20for%20Basesystem%2015%20SP6pkg:rpm/suse/kernel-zfcpdump&distro=SUSE%20Linux%20Enterprise%20Module%20for%20Basesystem%2015%20SP7
< 6.4.0-150600.23.60.3+ 69 more
- (no CPE)range: < 6.4.0-150600.23.60.3
- (no CPE)range: < 6.4.0-150600.23.60.4
- (no CPE)range: < 6.4.0-150600.8.43.1
- (no CPE)range: < 6.4.0-150600.23.60.4
- (no CPE)range: < 6.4.0-150600.23.60.5.150600.12.26.4
- (no CPE)range: < 6.4.0-150600.23.60.5
- (no CPE)range: < 6.4.0-150600.23.60.3
- (no CPE)range: < 6.4.0-150600.23.60.4
- (no CPE)range: < 6.4.0-150600.23.60.3
- (no CPE)range: < 6.4.0-150600.23.60.2
- (no CPE)range: < 6.4.0-150600.10.44.1
- (no CPE)range: < 6.4.0-150600.10.44.1
- (no CPE)range: < 6.4.0-150600.8.43.1
- (no CPE)range: < 6.4.0-150600.23.60.4
- (no CPE)range: < 6.4.0-150600.10.44.1
- (no CPE)range: < 6.4.0-150600.8.43.1
- (no CPE)range: < 6.4.0-150600.23.60.4
- (no CPE)range: < 6.4.0-150600.10.44.1
- (no CPE)range: < 6.4.0-150600.23.60.4
- (no CPE)range: < 6.4.0-150600.23.60.4
- (no CPE)range: < 6.4.0-150700.53.6.1
- (no CPE)range: < 6.4.0-150600.8.43.1
- (no CPE)range: < 6.4.0-150700.20.6.1
- (no CPE)range: < 6.4.0-15061.28.coco15sp6.1
- (no CPE)range: < 6.4.0-15061.28.coco15sp6.1
- (no CPE)range: < 6.4.0-150600.23.60.5.150600.12.26.4
- (no CPE)range: < 6.4.0-150700.53.6.1.150700.17.6.1
- (no CPE)range: < 6.4.0-150600.23.60.5
- (no CPE)range: < 6.4.0-150700.53.6.1
- (no CPE)range: < 6.4.0-150600.23.60.5
- (no CPE)range: < 6.4.0-150700.53.6.1
- (no CPE)range: < 6.4.0-150600.23.60.5
- (no CPE)range: < 6.4.0-150700.53.6.1
- (no CPE)range: < 6.4.0-150600.23.60.5
- (no CPE)range: < 6.4.0-150700.53.6.1
- (no CPE)range: < 6.4.0-150600.23.60.5
- (no CPE)range: < 6.4.0-150700.53.6.1
- (no CPE)range: < 6.4.0-150600.23.60.3
- (no CPE)range: < 6.4.0-150700.53.6.1
- (no CPE)range: < 1-150600.1.5.1
- (no CPE)range: < 1-150600.13.6.4
- (no CPE)range: < 1-150700.1.5.1
- (no CPE)range: < 1-150700.15.3.1
- (no CPE)range: < 6.4.0-150600.23.60.3
- (no CPE)range: < 6.4.0-150700.53.6.1
- (no CPE)range: < 6.4.0-150600.10.44.1
- (no CPE)range: < 6.4.0-33.1
- (no CPE)range: < 6.4.0-33.1
- (no CPE)range: < 6.4.0-150600.10.44.1
- (no CPE)range: < 6.4.0-150700.7.8.1
- (no CPE)range: < 6.4.0-150600.8.43.1
- (no CPE)range: < 6.4.0-150700.20.6.1
- (no CPE)range: < 6.4.0-15061.28.coco15sp6.1
- (no CPE)range: < 6.4.0-150600.23.60.4
- (no CPE)range: < 6.4.0-150700.53.6.1
- (no CPE)range: < 6.4.0-150600.23.60.4
- (no CPE)range: < 6.4.0-150700.53.6.1
- (no CPE)range: < 6.4.0-33.1
- (no CPE)range: < 6.4.0-33.1
- (no CPE)range: < 6.4.0-150600.10.44.1
- (no CPE)range: < 6.4.0-150700.7.8.1
- (no CPE)range: < 6.4.0-150600.8.43.1
- (no CPE)range: < 6.4.0-150700.20.6.1
- (no CPE)range: < 6.4.0-15061.28.coco15sp6.1
- (no CPE)range: < 6.4.0-150600.23.60.4
- (no CPE)range: < 6.4.0-150700.53.6.1
- (no CPE)range: < 6.4.0-150600.10.44.1
- (no CPE)range: < 6.4.0-150700.7.8.1
- (no CPE)range: < 6.4.0-150600.23.60.4
- (no CPE)range: < 6.4.0-150700.53.6.1
Patches
0No patches discovered yet.
Vulnerability mechanics
AI mechanics synthesis has not run for this CVE yet.
References
6- git.kernel.org/stable/c/6fe0866014486736cc3ba1c6fd4606d3dbe55c9cmitre
- git.kernel.org/stable/c/7cb10f17bddc415f30fbc00a4e2b490e0d94c462mitre
- git.kernel.org/stable/c/8d40bf73fa7f31eac2b0a7c9d85de67df82ee7f3mitre
- git.kernel.org/stable/c/94107259f972d2fd896dbbcaa176b3b2451ff9e5mitre
- git.kernel.org/stable/c/bedd287fdd3142dffad7ae2ac6ef15f4a2ad0629mitre
- git.kernel.org/stable/c/d886f8d85494d12b2752fd7c6c32162d982d5dd5mitre
News mentions
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