SB20260816347 - Missing Release of Resource after Effective Lifetime in Linux kernel power supply driver
Published: August 16, 2026
Security Bulletin ID
SB20260816347
CSH Severity
Low
Patch available
YES
Number of vulnerabilities
1
Exploitation vector
Local access
Highest impact
Partial DoS
Breakdown by Severity
- Low
- Medium
- High
- Critical
Description
This security bulletin contains information about 1 vulnerability.
1) Missing Release of Resource after Effective Lifetime (CVE-ID: CVE-2026-72182)
CWE-ID: CWE-772 - Missing Release of Resource after Effective Lifetime
CVSSv4: 4.8 [CVSS:4.0/AV:L/AC:L/AT:N/PR:L/UI:N/VC:N/VI:N/VA:L/SC:N/SI:N/SA:N]
The vulnerability allows a local user to cause a denial of service.
The vulnerability exists due to a refcount leak in is_full_charged() in the charger-manager power supply driver when checking the fuel_gauge power supply state. A local user can trigger the affected code path to cause a denial of service.
Remediation
Install update from vendor's website.
References
- https://git.kernel.org/stable/c/193e6471e985c2f25d09b3fe96ec52f4eab89bd4
- https://git.kernel.org/stable/c/3999f47e4bbf864e3c7fbfd813fb2f651e6b5714
- https://git.kernel.org/stable/c/4373cfa38ead58f980362c841b0d0bdf8c4d956c
- https://git.kernel.org/stable/c/6f75912cc6ff4c05ff13af351c4eea49b6b3c078
- https://git.kernel.org/stable/c/93b99b63ad5657225faf702670ddfeddf1f0ae29
- https://git.kernel.org/stable/c/afe3202c30bdff0635818ab525fe2694309d2692
- https://git.kernel.org/stable/c/e44ad91e9f75f3e3ccbdb85ffe699471f9675e5b
- https://git.kernel.org/stable/c/e8631b883338ea4c3b5d8ddfbe16407af9f0b4b9