Staging Environment: Content and features may be unstable or change without notice.
Advisory details: ubuntu_osv / UBUNTU-CVE-2025-21797
Advisory ID ubuntu_osv/UBUNTU-CVE-2025-21797
Aliases CVE-2025-21797
Summary In the Linux kernel, the following vulnerability has been resolved: HID: corsair-void: Add missing delayed work cancel for headset status The cancel_delayed_work_sync() call was missed, causing a use-after-free in corsair_void_remove().
Status Published
Exploitability 0.5
Weighted Severity 7.0
Risk 3.5
Affected and Fixed Packages Package Details
Introduced and Fixed Package Commit Patches Package Commit Patches Details
Weaknesses (0)
There are no known CWE.
System Score Found at
cvssv3.1 7.8 https://github.com/canonical/ubuntu-security-notices/blob/main/osv/cve/2025/UBUNTU-CVE-2025-21797.json
ubuntu-priority medium https://github.com/canonical/ubuntu-security-notices/blob/main/osv/cve/2025/UBUNTU-CVE-2025-21797.json
Reference id Reference type URL
https://git.kernel.org/linus/48e487b002891eb0aeaec704c9bed51f028deff1
https://ubuntu.com/security/CVE-2025-21797
https://www.cve.org/CVERecord?id=CVE-2025-21797
2dcb56a0a4da6946f6c18288da595c13e0d2af86 Other https://git.kernel.org/stable/c/2dcb56a0a4da6946f6c18288da595c13e0d2af86
48e487b002891eb0aeaec704c9bed51f028deff1 Other https://git.kernel.org/stable/c/48e487b002891eb0aeaec704c9bed51f028deff1
No exploits are available.

No EPSS data available for this advisory.

Patch URL
There are no known patches.
Vector: CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H Found at https://github.com/canonical/ubuntu-security-notices/blob/main/osv/cve/2025/UBUNTU-CVE-2025-21797.json
Attack Vector (AV) Attack Complexity (AC) Privileges Required (PR) User Interaction (UI) Scope (S) Confidentiality Impact (C) Integrity Impact (I) Availability Impact (A)

network

adjacent_network

local

physical

low

high

none

low

high

none

required

unchanged

changed

high

low

none

high

low

none

high

low

none

Vector: SSVCv2/E:N/A:N/T:T/P:M/B:A/M:M/D:T/2025-02-27T18:14:11Z/

Decision: Track

Source URL: https://github.com/cisagov/vulnrichment/blob/develop/2025/21xxx/CVE-2025-21797.json

Source Advisory: vulnrichment/CVE-2025-21797

View SSVC decision tree 
[{'Exploitation': 'none'},
 {'Automatable': 'no'},
 {'Technical Impact': 'total'},
 {'Mission Prevalence': 'minimal'},
 {'Public Well-being Impact': 'material'},
 {'Mission & Well-being': 'medium'}]