CVE-2020-35499

6.7 mediumEPSS 0.3%

Medium (6.7) in linux linux kernel. EPSS 0.3% chance of exploitation in the next 30 days.

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.

Severity

CVSS 3.1

6.7 medium

CVSS:3.1/AV:L/AC:L/PR:H/UI:N/S:U/C:H/I:H/A:H

EPSS: 0.3% chance of exploitation in the next 30 days; higher than 19% of CVEs (scores of 2026-10-31)
CWE: CWE-476
Published: 2021-02-19
Modified: 2026-06-17
Record from: the NVD, synced 2026-10-19

Affected

linux:linux_kernel

References

https://bugzilla.redhat.com/show_bug.cgi?id=1910048
https://bugzilla.redhat.com/show_bug.cgi?id=1910048

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