CVE-2026-89466Medium· 5.5▾ SunlitA flaw was found in the Linux kernel's `qcom_battmgr` component, responsible for power supply management. This vulnerability occurs due to improper string termination when handling firmware-provided strings. A malicious or malformed firmwa…
▾ Sunlit zone — Low / medium · no exploitation signal
impact 30.3 · likelihood 0 · exploitation 0
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Exploit-prediction probability, daily snapshots since Sep 12.
Disclosure to exploitation, from the record and what we observed since indexing it.
Disclosed via CSAF
0.2%
— → 3.3
none → low
— → 3.3
none → low
— → 7.7
none → high
7.7 → 3.3
high → low
3.3 → 7.7
low → high
Last analysed / modified upstream
7.7 → 5.5
high → medium
A flaw was found in the Linux kernel's qcom_battmgr component, responsible for power supply management. This vulnerability occurs due to improper string termination when handling firmware-provided strings. A malicious or malformed firmware string that completely fills its buffer can lead to an out-of-bounds read, potentially disclosing sensitive information from adjacent memory locations to user space.
kernel: power: supply: qcom_battmgr: terminate the strings from firmware — rated Moderate by Red Hat. Released 2026-09-11, updated 2026-09-17.
Not affected:
Refer to the advisory for fix availability.
Field changes observed since this record was first indexed.
Connected by shared product, vendor, weakness, or advisory.
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