vulnerability

Ubuntu: (Multiple Advisories) (CVE-2017-18017): Linux kernel vulnerabilities

Severity
10
CVSS
(AV:N/AC:L/Au:N/C:C/I:C/A:C)
Published
Jan 3, 2018
Added
Feb 24, 2018
Modified
Aug 18, 2025

Description

The tcpmss_mangle_packet function in net/netfilter/xt_TCPMSS.c in the Linux kernel before 4.11, and 4.9.x before 4.9.36, allows remote attackers to cause a denial of service (use-after-free and memory corruption) or possibly have unspecified other impact by leveraging the presence of xt_TCPMSS in an iptables action.

Solutions

ubuntu-upgrade-linux-image-3-13-0-142-genericubuntu-upgrade-linux-image-3-13-0-142-generic-lpaeubuntu-upgrade-linux-image-3-13-0-142-lowlatencyubuntu-upgrade-linux-image-3-13-0-142-powerpc-e500ubuntu-upgrade-linux-image-3-13-0-142-powerpc-e500mcubuntu-upgrade-linux-image-3-13-0-142-powerpc-smpubuntu-upgrade-linux-image-3-13-0-142-powerpc64-embubuntu-upgrade-linux-image-3-13-0-142-powerpc64-smpubuntu-upgrade-linux-image-genericubuntu-upgrade-linux-image-generic-lpaeubuntu-upgrade-linux-image-generic-lpae-lts-trustyubuntu-upgrade-linux-image-generic-lts-trustyubuntu-upgrade-linux-image-lowlatencyubuntu-upgrade-linux-image-powerpc-e500ubuntu-upgrade-linux-image-powerpc-e500mcubuntu-upgrade-linux-image-powerpc-smpubuntu-upgrade-linux-image-powerpc64-embubuntu-upgrade-linux-image-powerpc64-smp

References

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