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A use after free vulnerability was found in tcp_xmit_retransmit_queue and other tcp_* functions. This condition could allow an attacker to send an incorrect selective acknowledgement to existing connections, possibly resetting a connection. Public via (contains reproducer and KASAN report): http://seclists.org/oss-sec/2016/q3/280 Upstream fix: http://git.kernel.org/cgit/linux/kernel/git/torvalds/linux.git/commit/?id=bb1fceca22492109be12640d49f5ea5a544c6bb4
Created kernel tracking bugs for this issue: Affects: fedora-all [bug 1367092]
Patch was posted, introduced in 2.6. http://marc.info/?l=linux-netdev&m=147143860012027&w=2
kernel-4.6.7-300.fc24 has been pushed to the Fedora 24 stable repository. If problems still persist, please make note of it in this bug report.
kernel-4.6.7-200.fc23 has been pushed to the Fedora 23 stable repository. If problems still persist, please make note of it in this bug report.
kernel-4.7.2-201.fc24 has been pushed to the Fedora 24 stable repository. If problems still persist, please make note of it in this bug report.
kernel-4.7.2-101.fc23 has been pushed to the Fedora 23 stable repository. If problems still persist, please make note of it in this bug report.
Statement: This issue affect the Linux kernels as shipped with Red Hat Enterprise Linux 5, 6, 7 and Red Hat Enterprise MRG 2.
This issue has been addressed in the following products: Red Hat Enterprise Linux 6 Via RHSA-2017:0036 https://rhn.redhat.com/errata/RHSA-2017-0036.html
This issue has been addressed in the following products: Red Hat Enterprise MRG 2 Via RHSA-2017:0113 https://rhn.redhat.com/errata/RHSA-2017-0113.html
This issue has been addressed in the following products: Red Hat Enterprise Linux 7 Via RHSA-2017:0086 https://rhn.redhat.com/errata/RHSA-2017-0086.html
This issue has been addressed in the following products: Red Hat Enterprise Linux 7 Via RHSA-2017:0091 https://rhn.redhat.com/errata/RHSA-2017-0091.html