CVE-2026-80952Medium· 6.1▾ SunlitA flaw was found in the Linux kernel's i3c master component. During device unregistration, a race condition can occur where the device descriptor is prematurely cleared. This can lead to an information leak, exposing kernel stack contents …
▾ Sunlit zone — Low / medium · no exploitation signal
impact 33.6 · 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%
— → 6
none → medium
— → 7.8
none → high
7.8 → 6
high → medium
7.8 → 7
0.2% → 0.2%
7 → 7.8
Last analysed / modified upstream
7.8 → 6.1
high → medium
A flaw was found in the Linux kernel's i3c master component. During device unregistration, a race condition can occur where the device descriptor is prematurely cleared. This can lead to an information leak, exposing kernel stack contents in the generated modalias. Additionally, this flaw could result in a potential use-after-free vulnerability, which might allow an attacker to execute arbitrary code or cause a denial of service.
kernel: i3c: master: Fix info leak and UAF in device unregister path — rated Moderate by Red Hat. Released 2026-09-11, updated 2026-10-24.
Affected:
No fix planned:
Not affected:
Fix deferred
Workarounds / mitigations:
Field changes observed since this record was first indexed.
Connected by shared product, vendor, weakness, or advisory.
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