CVE-2016-6828

The tcp_check_send_head function in include/net/tcp.h in the Linux kernel before 4.7.5 does not properly maintain certain SACK state after a failed data copy, which allows local users to cause a denial of service (tcp_xmit_retransmit_queue use-after-free and system crash) via a crafted SACK option.

CVSS v3.0

5.5 MEDIUMCVSS:3.0/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H

CVSS v2.0

4.9 MEDIUMAV:L/AC:L/Au:N/C:N/I:N/A:C

EPSS

1.18% chance of exploitation in the next 30 days, 66th percentile

Published

2016-10-16

Updated

2024-08-06

ExploitDB entries (1)

• https://www.exploit-db.com/exploits/40731

References

• CVE Record
• NVD entry

Related

• CVE-2016-6816
• CVE-2016-6840
• CVE-2016-6812
• CVE-2016-6851
• CVE-2016-6808
• CVE-2016-6853