CVE-2022-49193
Severity CVSS v4.0:
Pending analysis
Type:
Unavailable / Other
Publication date:
26/02/2025
Last modified:
26/02/2025
Description
In the Linux kernel, the following vulnerability has been resolved:<br />
<br />
ice: fix &#39;scheduling while atomic&#39; on aux critical err interrupt<br />
<br />
There&#39;s a kernel BUG splat on processing aux critical error<br />
interrupts in ice_misc_intr():<br />
<br />
[ 2100.917085] BUG: scheduling while atomic: swapper/15/0/0x00010000<br />
...<br />
[ 2101.060770] Call Trace:<br />
[ 2101.063229] <br />
[ 2101.065252] dump_stack+0x41/0x60<br />
[ 2101.068587] __schedule_bug.cold.100+0x4c/0x58<br />
[ 2101.073060] __schedule+0x6a4/0x830<br />
[ 2101.076570] schedule+0x35/0xa0<br />
[ 2101.079727] schedule_preempt_disabled+0xa/0x10<br />
[ 2101.084284] __mutex_lock.isra.7+0x310/0x420<br />
[ 2101.088580] ? ice_misc_intr+0x201/0x2e0 [ice]<br />
[ 2101.093078] ice_send_event_to_aux+0x25/0x70 [ice]<br />
[ 2101.097921] ice_misc_intr+0x220/0x2e0 [ice]<br />
[ 2101.102232] __handle_irq_event_percpu+0x40/0x180<br />
[ 2101.106965] handle_irq_event_percpu+0x30/0x80<br />
[ 2101.111434] handle_irq_event+0x36/0x53<br />
[ 2101.115292] handle_edge_irq+0x82/0x190<br />
[ 2101.119148] handle_irq+0x1c/0x30<br />
[ 2101.122480] do_IRQ+0x49/0xd0<br />
[ 2101.125465] common_interrupt+0xf/0xf<br />
[ 2101.129146] <br />
...<br />
<br />
As Andrew correctly mentioned previously[0], the following call<br />
ladder happens:<br />
<br />
ice_misc_intr()