CVE-2026-23283 | Linux Kernel up to 6.19.6/7.0-rc1 regulator fp9931_hwmon_read memory leak

VDB-353001 · CVE-2026-23283 · GCVE-0-2026-23283 LINUX KERNEL UP TO 6.19.6/7.0-RC1 REGULATOR FP9931_HWMON_READ MEMORY LEAK HISTORYDIFFRELATEJSONXMLCTI CVSS Meta Temp Score Current Exploit Price (≈) CTI Interest Score 5.5 $0-$5k 2.07+ Summaryinfo A vulnerability was found in Linux Kernel up to 6.19.6/7.0-rc1. It has been classified as critical. Affected by this vulnerability is the function fp9931_hwmon_read of the component regulator. Performing a manipulation results in memory leak. This vulnerability is identified as CVE-2026-23283. There is not any exploit available. Upgrading the affected component is recommended. Detailsinfo A vulnerability, which was classified as critical, was found in Linux Kernel up to 6.19.6/7.0-rc1. This affects the function fp9931_hwmon_read of the component regulator. The manipulation with an unknown input leads to a memory leak vulnerability. CWE is classifying the issue as CWE-401. The product does not sufficiently track and release allocated memory after it has been used, which slowly consumes remaining memory. This is going to have an impact on availability. The summary by CVE is: In the Linux kernel, the following vulnerability has been resolved: regulator: fp9931: Fix PM runtime reference leak in fp9931_hwmon_read() In fp9931_hwmon_read(), if regmap_read() failed, the function returned the error code without calling pm_runtime_put_autosuspend(), causing a PM reference leak. The advisory is shared at git.kernel.org. This vulnerability is uniquely identified as CVE-2026-23283 since 01/13/2026. Technical details are known, but no exploit is available. Upgrading to version 6.19.7 or 7.0-rc2 eliminates this vulnerability. Applying the patch ada571018d54c2381bab7c290577114f9667cda7/0902010c8d163f7b62e655efda1a843529152c7c 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. Productinfo Type Operating System Vendor Linux Name Kernel Version 6.19.0 6.19.1 6.19.2 6.19.3 6.19.4 6.19.5 6.19.6 7.0-rc1 License open-source Website Vendor: https://www.kernel.org/ CPE 2.3info 🔒 🔒 🔒 CPE 2.2info 🔒 🔒 🔒 CVSSv4info VulDB Vector: 🔒 VulDB Reliability: 🔍 CVSSv3info VulDB Meta Base Score: 5.7 VulDB Meta Temp Score: 5.5 VulDB Base Score: 5.7 VulDB Temp Score: 5.5 VulDB Vector: 🔒 VulDB Reliability: 🔍 CVSSv2info Vector Complexity Authentication Confidentiality Integrity Availability Unlock Unlock Unlock Unlock Unlock Unlock Unlock Unlock Unlock Unlock Unlock Unlock Unlock Unlock Unlock Unlock Unlock Unlock VulDB Base Score: 🔒 VulDB Temp Score: 🔒 VulDB Reliability: 🔍 Exploitinginfo Class: Memory leak CWE: CWE-401 / CWE-404 CAPEC: 🔒 ATT&CK: 🔒 Physical: No Local: No Remote: Partially Availability: 🔒 Status: Not defined Price Prediction: 🔍 Current Price Estimation: 🔒 0-Day Unlock Unlock Unlock Unlock Today Unlock Unlock Unlock Unlock Threat Intelligenceinfo Interest: 🔍 Active Actors: 🔍 Active APT Groups: 🔍 Countermeasuresinfo Recommended: Upgrade Status: 🔍 0-Day Time: 🔒 Upgrade: Kernel 6.19.7/7.0-rc2 Patch: ada571018d54c2381bab7c290577114f9667cda7/0902010c8d163f7b62e655efda1a843529152c7c Timelineinfo 01/13/2026 CVE reserved 03/25/2026 +71 days Advisory disclosed 03/25/2026 +0 days VulDB entry created 03/25/2026 +0 days VulDB entry last update Sourcesinfo Vendor: kernel.org Advisory: git.kernel.org Status: Confirmed CVE: CVE-2026-23283 (🔒) GCVE (CVE): GCVE-0-2026-23283 GCVE (VulDB): GCVE-100-353001 Entryinfo Created: 03/25/2026 12:06 Changes: 03/25/2026 12:06 (59) Complete: 🔍 Cache ID: 99:F58:101 Discussion No comments yet. Languages: en. Please log in to comment. ◂ PreviousOverviewNext ▸