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.
| Product | Vendor Advisory | Solution File | Added | Published |
|---|---|---|---|---|
| Amazon_linux | — | Upgrade kernel | Jul 1, 2017 | Sep 1, 2016 |
| Centos_linux | — | Upgrade kernelUpgrade kernel-rt | Jan 27, 2017 | Oct 16, 2016 |
| Debian | — | Upgrade linux | Mar 31, 2017 | Sep 4, 2016 |
| F5 Big Ip | — | Update F5 BIG-IP to the latest version | Jun 17, 2026 | Dec 21, 2016 |
| Oracle_linux | — | Upgrade kernelUpgrade kernel-uek | Jan 11, 2017 | Aug 15, 2016 |
| Redhat_linux | — | No solution existsUpgrade kernel-rtUpgrade kernel | Jan 14, 2017 | Oct 16, 2016 |
| Suse | — | Upgrade dlm-kmp-defaultUpgrade ocfs2-kmp-defaultUpgrade kernel-defaultUpgrade kernel-ec2-extraUpgrade gfs2-kmp-defaultUpgrade kernel-ec2Upgrade kernel-docsUpgrade cluster-network-kmp-defaultUpgrade kernel-obs-buildUpgrade kernel-ec2-develUpgrade cluster-md-kmp-default | Oct 18, 2016 | Oct 16, 2016 |
| Ubuntu | — | Upgrade linux-image-3.13.0-98-genericUpgrade linux-image-4.4.0-1027-raspi2Upgrade linux-image-3.13.0-98-powerpc64-smpUpgrade linux-image-3.13.0-98-powerpc-smpUpgrade linux-image-4.4.0-42-powerpc64-embUpgrade linux-image-3.2.0-111-virtualUpgrade linux-image-3.13.0-98-powerpc-e500Upgrade linux-image-3.2.0-1489-omap4Upgrade linux-image-3.2.0-111-powerpc-smpUpgrade linux-image-4.4.0-42-generic-lpaeUpgrade linux-image-3.2.0-111-highbankUpgrade linux-image-4.4.0-42-powerpc64-smpUpgrade linux-image-3.13.0-98-lowlatencyUpgrade linux-image-3.2.0-111-powerpc64-smpUpgrade linux-image-4.4.0-42-lowlatencyUpgrade linux-image-4.4.0-1030-snapdragonUpgrade linux-image-4.4.0-42-genericUpgrade linux-image-3.13.0-98-generic-lpaeUpgrade linux-image-3.2.0-111-generic-paeUpgrade linux-image-3.13.0-98-powerpc-e500mcUpgrade linux-image-4.4.0-42-powerpc-e500mcUpgrade linux-image-3.13.0-98-powerpc64-embUpgrade linux-image-3.2.0-111-genericUpgrade linux-image-4.4.0-42-powerpc-smpUpgrade linux-image-3.2.0-111-omap | Jul 1, 2017 | Oct 13, 2016 |
| Vmware Photon_os | — | Use 'tdnf update' to upgrade all packages to the latest version. | Jan 20, 2025 | Oct 16, 2016 |
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