Description
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.
Published: 2016-10-16
Score: 5.5 Medium
EPSS: < 1% Very Low
KEV: No
Impact: n/a
Action: n/a
AI Analysis

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Remediation

No vendor fix or workaround currently provided.

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Tracking

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Advisories
Source ID Title
Debian DLA Debian DLA DLA-609-1 linux security update
Debian DSA Debian DSA DSA-3659-1 linux security update
EUVD EUVD EUVD-2016-7713 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.
Ubuntu USN Ubuntu USN USN-3097-1 Linux kernel vulnerabilities
Ubuntu USN Ubuntu USN USN-3097-2 Linux kernel (OMAP4) vulnerabilities
Ubuntu USN Ubuntu USN USN-3098-1 Linux kernel vulnerabilities
Ubuntu USN Ubuntu USN USN-3098-2 Linux kernel (Trusty HWE) vulnerabilities
Ubuntu USN Ubuntu USN USN-3099-1 Linux kernel vulnerabilities
Ubuntu USN Ubuntu USN USN-3099-2 Linux kernel (Xenial HWE) vulnerabilities
Ubuntu USN Ubuntu USN USN-3099-3 Linux kernel (Raspberry Pi 2) vulnerabilities
Ubuntu USN Ubuntu USN USN-3099-4 Linux kernel (Qualcomm Snapdragon) vulnerabilities
History

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Subscriptions

Linux Linux Kernel
Redhat Enterprise Linux Enterprise Mrg Rhel Extras Rt
cve-icon MITRE

Status: PUBLISHED

Assigner: redhat

Published:

Updated: 2024-08-06T01:43:37.815Z

Reserved: 2016-08-17T00:00:00.000Z

Link: CVE-2016-6828

cve-icon Vulnrichment

No data.

cve-icon NVD

Status : Modified

Published: 2016-10-16T21:59:08.053

Modified: 2026-05-06T22:30:45.220

Link: CVE-2016-6828

cve-icon Redhat

Severity : Moderate

Publid Date: 2016-08-15T00:00:00Z

Links: CVE-2016-6828 - Bugzilla

cve-icon OpenCVE Enrichment

No data.

Weaknesses