Medium severity6.7NVD Advisory· Published Feb 19, 2021· Updated Jun 17, 2026
CVE-2020-35499
CVE-2020-35499
Description
A NULL pointer dereference flaw in Linux kernel versions prior to 5.11 may be seen if sco_sock_getsockopt function in net/bluetooth/sco.c do not have a sanity check for a socket connection, when using BT_SNDMTU/BT_RCVMTU for SCO sockets. This could allow a local attacker with a special user privilege to crash the system (DOS) or leak kernel internal information.
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Affected products
2- Linux/Linux kerneldescription
Patches
Vulnerability mechanics
References
1- bugzilla.redhat.com/show_bug.cginvdIssue TrackingPatchThird Party Advisory
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