CVE-2026-45963 ASoC: nau8821: Cancel delayed work on component remove
A missing cancellation of delayed work in the nau8821 audio driver causes a kernel crash when the driver is unloaded while jack detection is pending.
- Exploited in the wild
- Not known
- Login needed
- Any signed-in user
- Attackable
- Local or same network only
- Victim action needed
- Not needed
- Fix
- Available
What is CVE-2026-45963?
CVE-2026-45963 is a medium-severity vulnerability in Linux kernel, published on 27 May 2026. It can only be exploited from the same machine or local network, with no action from the victim.
Official description
In the Linux kernel, the following vulnerability has been resolved:
ASoC: nau8821: Cancel delayed work on component remove
Attempting to unload the driver while a jack detection work is pending would likely crash the kernel when it is eventually scheduled for execution:
[ 1984.896308] BUG: unable to handle page fault for address: ffffffffc10c2a20 [...] [ 1984.896388] Hardware name: Valve Jupiter/Jupiter, BIOS F7A0131 01/30/2024 [ 1984.896396] Workqueue: events nau8821_jdet_work [snd_soc_nau8821] [ 1984.896414] RIP: 0010:__mutex_lock+0x9f/0x11d0 [...] [ 1984.896504] Call Trace: [ 1984.896511] <TASK> [ 1984.896524] ? snd_soc_dapm_disable_pin+0x26/0x60 [snd_soc_core] [ 1984.896572] ? snd_soc_dapm_disable_pin+0x26/0x60 [snd_soc_core] [ 1984.896596] snd_soc_dapm_disable_pin+0x26/0x60 [snd_soc_core] [ 1984.896622] nau8821_jdet_work+0xeb/0x1e0 [snd_soc_nau8821] [ 1984.896636] process_one_work+0x211/0x590 [ 1984.896649] ? srso_return_thunk+0x5/0x5f [ 1984.896670] worker_thread+0x1cd/0x3a0
Cancel unscheduled jdet_work or wait for its execution to finish before the component driver gets removed.
Weakness: CWE-476
Which versions are affected by CVE-2026-45963?
It affects 1 product.
Products include Linux kernel.
How do I fix CVE-2026-45963?
Apply the vendor's patch.
Is CVE-2026-45963 being exploited?
There is no known exploitation of CVE-2026-45963 in the wild and no public exploit code.
Other vulnerabilities in Linux kernel
Sources
Also known as AZL-88568, BELL-CVE-2026-45963, DEBIAN-CVE-2026-45963, GHSA-38h5-pjw3-mqxf, ROOT-OS-DEBIAN-12-CVE-2026-45963, ROOT-OS-DEBIAN-13-CVE-2026-45963 and 2 more.