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CVE-2018-5391

high · 7.5

The Linux kernel, versions 3.9+, is vulnerable to a denial of service attack with low rates of specially modified packets targeting IP fragment re-assembly. An attacker may cause a denial of service condition by sending specially crafted IP fragments. Various vulnerabilities in IP fragmentation have been discovered and fixed over the years. The current vulnerability (CVE-2018-5391) became exploitable in the Linux kernel with the increase of the IP fragment reassembly queue size.

7.5
CVSS
32.4%
EPSS (exploit prob.)
98th
EPSS percentile
2018-09-06
Published

CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H

Weaknesses

CWE-400CWE-20

Affected products

VendorProductAffected versions
linuxlinux_kernel>= 3.9, <= 4.18
redhatenterprise_linux_desktop6.0
redhatenterprise_linux_desktop7.0
redhatenterprise_linux_server6.0
redhatenterprise_linux_server7.0
redhatenterprise_linux_server_aus6.4
redhatenterprise_linux_server_aus6.5
redhatenterprise_linux_server_aus6.6
redhatenterprise_linux_server_aus7.2
redhatenterprise_linux_server_aus7.3
redhatenterprise_linux_server_aus7.4
redhatenterprise_linux_server_eus6.7
redhatenterprise_linux_server_eus7.3
redhatenterprise_linux_server_eus7.4
redhatenterprise_linux_server_eus7.5
redhatenterprise_linux_server_tus6.6
redhatenterprise_linux_server_tus7.2
redhatenterprise_linux_server_tus7.3
redhatenterprise_linux_server_tus7.4
redhatenterprise_linux_workstation6.0
redhatenterprise_linux_workstation7.0
debiandebian_linux8.0
debiandebian_linux9.0
canonicalubuntu_linux12.04
canonicalubuntu_linux14.04
canonicalubuntu_linux16.04
canonicalubuntu_linux18.04
microsoftwindows_10all versions
microsoftwindows_101607
microsoftwindows_101703
microsoftwindows_101709
microsoftwindows_101803
microsoftwindows_7all versions
microsoftwindows_8.1all versions
microsoftwindows_rt_8.1all versions
microsoftwindows_server_2008all versions
microsoftwindows_server_2008r2
microsoftwindows_server_2008r2
microsoftwindows_server_2012all versions
microsoftwindows_server_2012r2

Check a specific version with /api/v1/cve/match.

References

Query this programmatically:

curl https://evil-db.io/api/v1/cve/CVE-2018-5391