CVE-2026-89880 Linux kernel rtl2832_sdr - Memory Management Flaw

Linux kernel media rtl2832_sdr contains a memory management flaw caused by improper release of URBs and stream buffers on start_streaming() failure, letting attackers cause memory leaks and potential out-of-bounds access, exploit requires triggering streaming start failure.

CVSS base score 7.8 /10
High
CISA KEV
Not listed
Public exploit
None known
Authentication
Required
EPSS
0.17% chance of exploitation in 30 days
View the NVD record ↗

Details

Type
Memory Management Flaw
Impact
Denial Of Service
CVSS vector
CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
Published
16 September 2026
Updated
15 October 2026

Vendor fix

Update to the latest Linux kernel version containing the fix for rtl2832_sdr start_streaming() failure.

Patching closes this CVE. It does not tell you which of your systems run the affected version, or what else is exposed alongside them.

References

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