CVE-2026-89741Medium· 4.7▾ SunlitA flaw was found in the Linux kernel's media subsystem, specifically within the v4l2-dev component. This vulnerability arises from incorrect error handling in the `__video_register_device()` function. If a device registration fails, the sy…
▾ Sunlit zone — Low / medium · no exploitation signal
impact 25.9 · 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%
— → 5.8
none → medium
— → 7.8
none → high
7.8 → 5.8
high → medium
5.8 → 7.8
medium → high
7.8 → 7
7 → 7.8
Last analysed / modified upstream
7.8 → 4.7
high → medium
A flaw was found in the Linux kernel's media subsystem, specifically within the v4l2-dev component. This vulnerability arises from incorrect error handling in the __video_register_device() function. If a device registration fails, the system attempts to free the same memory region twice, leading to a double-free condition. This type of flaw can result in system instability, memory corruption, or a denial of service (DoS).
kernel: Revert "media: v4l2-dev: fix error handling in __video_register_device()" — rated Moderate by Red Hat. Released 2026-09-11, updated 2026-10-21.
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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