Linux Kernel up to 6.19.3 ASoC nau8821_jdet_work memory corruption

Summaryinfo

A vulnerability, which was classified as critical, was found in Linux Kernel up to 6.19.3. Impacted is the function nau8821_jdet_work of the component ASoC. The manipulation results in memory corruption. This vulnerability was named CVE-2026-45963. There is no available exploit. You should upgrade the affected component.

Detailsinfo

A vulnerability classified as critical has been found in Linux Kernel up to 6.19.3. Affected is the function nau8821_jdet_work of the component ASoC. The manipulation with an unknown input leads to a memory corruption vulnerability. CWE is classifying the issue as CWE-119. The product performs operations on a memory buffer, but it can read from or write to a memory location that is outside of the intended boundary of the buffer. This is going to have an impact on confidentiality, integrity, and availability. CVE summarizes:

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.

The advisory is shared for download at git.kernel.org. This vulnerability is traded as CVE-2026-45963 since 05/13/2026. The exploitability is told to be easy. There are known technical details, but no exploit is available. The current price for an exploit might be approx. USD $5k-$25k (estimation calculated on 06/16/2026).

Upgrading to version 6.19.4 eliminates this vulnerability. Applying the patch 3955767ec39dcc0358470ffe6535703e2b7fd815/dbd3fd05cddfdeec1e49b0a66269881c09eebd17 is able to eliminate this problem. The bugfix is ready for download at git.kernel.org. The best possible mitigation is suggested to be upgrading to the latest version.

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Productinfo

Type

• Operating System

Vendor

• Linux

Name

• Kernel

Version

• 6.19.0
• 6.19.1
• 6.19.2
• 6.19.3

License

• open-source

Website

• Vendor: https://www.kernel.org/

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