CVE-2018-5390

high

Description

Linux kernel versions 4.9+ can be forced to make very expensive calls to tcp_collapse_ofo_queue() and tcp_prune_ofo_queue() for every incoming packet which can lead to a denial of service.

References

https://access.redhat.com/errata/RHSA-2018:2384

https://access.redhat.com/errata/RHSA-2018:2395

https://access.redhat.com/errata/RHSA-2018:2402

https://access.redhat.com/errata/RHSA-2018:2403

https://access.redhat.com/errata/RHSA-2018:2645

https://access.redhat.com/errata/RHSA-2018:2776

https://access.redhat.com/errata/RHSA-2018:2785

https://access.redhat.com/errata/RHSA-2018:2789

https://access.redhat.com/errata/RHSA-2018:2790

https://access.redhat.com/errata/RHSA-2018:2791

https://access.redhat.com/errata/RHSA-2018:2924

https://access.redhat.com/errata/RHSA-2018:2933

https://access.redhat.com/errata/RHSA-2018:2948

https://cert-portal.siemens.com/productcert/pdf/ssa-377115.pdf

https://git.kernel.org/pub/scm/linux/kernel/git/davem/net.git/commit/?id=1a4f14bab1868b443f0dd3c55b689a478f82e72e

https://lists.debian.org/debian-lts-announce/2018/08/msg00014.html

https://security.netapp.com/advisory/ntap-20180815-0003/

https://support.f5.com/csp/article/K95343321

https://support.f5.com/csp/article/K95343321?utm_source=f5support&amp%3Butm_medium=RSS

https://tools.cisco.com/security/center/content/CiscoSecurityAdvisory/cisco-sa-20180824-linux-tcp

https://usn.ubuntu.com/3732-1/

https://usn.ubuntu.com/3732-2/

https://usn.ubuntu.com/3741-1/

https://usn.ubuntu.com/3741-2/

https://usn.ubuntu.com/3742-1/

https://usn.ubuntu.com/3742-2/

https://usn.ubuntu.com/3763-1/

https://www.debian.org/security/2018/dsa-4266

https://www.kb.cert.org/vuls/id/962459

https://www.oracle.com/security-alerts/cpujul2020.html

https://www.oracle.com/technetwork/security-advisory/cpujan2019-5072801.html

http://www.huawei.com/en/psirt/security-advisories/huawei-sa-20181031-02-linux-en

http://www.openwall.com/lists/oss-security/2019/06/28/2

http://www.openwall.com/lists/oss-security/2019/07/06/3

http://www.openwall.com/lists/oss-security/2019/07/06/4

http://www.securitytracker.com/id/1041424

http://www.securitytracker.com/id/1041434

Details

Source: Mitre, NVD

Published: 2018-08-06

Risk Information

CVSS v2

Base Score: 7.8

Vector: CVSS2#AV:N/AC:L/Au:N/C:N/I:N/A:C

Severity: High

CVSS v3

Base Score: 7.5

Vector: CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H

Severity: High