CVE-2018-5333

mediumpriority · track · 35EPSS 0.072 · 94 %ileexploit · functionalDEEUUS

grimoire priorityP1 · Urgent

Exploitable?

Public exploit

3 exploits · functional

Likely / severe?

7.21% (94th) EPSS

CVSS 4.9 · medium

Is it mine?

26 products

Check your exposure

Who says so?

4 sources

cnnvd · enisa_euvd · cert_bund · nvd

EPSS · scored 2026-10-23

In the Linux kernel through 4.14.13, the rds_cmsg_atomic function in net/rds/rdma.c mishandles cases where page pinning fails or an invalid address is supplied, leading to an rds_atomic_free_op NULL pointer dereference.

cvss

Technical severity, 0–10. One row per scoring source.

5.5

010

base score 0–10 · higher = more severe · hover a vector to decode

v2.04.9mediumAV:L/AC:L/Au:N/C:N/I:N/A:Cprimary · NVD / NIST USexploitability 3.9 · impact 6.9

v3.05.5mediumCVSS:3.0/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:Hprimary · NVD / NIST USexploitability 1.8 · impact 3.6

v3.05.4mediumCVSS:3.0/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H/E:Fsecondary · CVSS-BT (t0sche)

weaknesses

The CWE weakness classes this flaw belongs to.

CWE-476USprimary

exploits (3)

Public proof-of-concept and weaponised exploit code.

EDB-47957Reliable Datagram Sockets (RDS) - rds_atomic_free_op NULL pointer dereference Privilege Escalation (Metasploit)functional · exploit_db
exploit/linux/local/rds_atomic_free_op_null_pointer_deref_priv_escReliable Datagram Sockets (RDS) rds_atomic_free_op NULL pointer dereference Privilege Escalationfunctional · metasploit
WhatsWrongAndWhy/CVE-2018-5333WhatsWrongAndWhy/CVE-2018-5333PoC · poc_in_github

affected products (26)

Products and version ranges known to be affected.

Avaya Aura Application Enablement Servicesall versionscert_bundDEcpe:/a:avaya:aura_application_enablement_services:-
Avaya Aura Communication Managerall versionscert_bundDEcpe:/a:avaya:communication_manager:-
Avaya Aura Experience Portalall versionscert_bundDEcpe:/a:avaya:aura_experience_portal:-
Avaya Aura Session Managerall versionscert_bundDEcpe:/a:avaya:session_manager:-
Avaya Aura System Managerall versionscert_bundDEcpe:/a:avaya:aura_system_manager:-
Debian Linuxall versionscert_bundDEcpe:/o:debian:debian_linux:-
NetApp AFFall versionscert_bundDEcpe:/h:netapp:aff:-
NetApp FASall versionscert_bundDEcpe:/h:netapp:fas:-
Open Source Linux Kernelall versionscert_bundDEcpe:/o:linux:linux_kernel:-
Oracle Linuxall versionscert_bundDEcpe:/o:oracle:linux:-
Oracle Linux 5all versionscert_bundDEcpe:/o:oracle:linux:5
Oracle Linux 6all versionscert_bundDEcpe:/o:oracle:linux:6
Oracle Linux 7all versionscert_bundDEcpe:/o:oracle:linux:7
Oracle VMall versionscert_bundDEcpe:/a:oracle:vm:-
Red Hat Enterprise Linuxall versionscert_bundDEcpe:/o:redhat:enterprise_linux:-
SUSE Linuxall versionscert_bundDEcpe:/o:suse:suse_linux:-
Ubuntu Linuxall versionscert_bundDEcpe:/o:canonical:ubuntu_linux:-
Open Source Linux Kernel≤ 4.14.13cert_bundDE
n/a n/a≤ n/aenisa_euvdEU
canonical ubuntu linux= 12.04nvdUScpe:2.3:o:canonical:ubuntu_linux:*:*:*:*:*:*:*:*

showing 20 of 26

advisories (2)

Vendor and ecosystem advisories describing this.

WID-SEC-W-2022-0532Linux Kernel: Mehrere SchwachstellenDeutsch2018-05-01csaf · cert_bundDE
Ein entfernter, anonymer oder authentisierter Angreifer kann mehrere Schwachstellen im Linux Kernel ausnutzen, um beliebigen Programmcode mit Administratorrechten auszuführen, einen Denial of Service Angriff durchzuführen, Sicherheitsmechanismen zu umgehen, vertrauliche Daten einzusehen oder seine Privilegien zu erweitern.
WID-SEC-W-2025-1600Linux Kernel: Mehrere Schwachstellen ermöglichen Denial of ServiceDeutsch2018-01-10csaf · cert_bundDE
Ein lokaler Angreifer kann mehrere Schwachstellen in Linux Kernel ausnutzen, um einen Denial of Service Angriff durchzuführen.

also known as (3)

Other names and identifiers for this entity.

sources

Which sources assert this record, and when.

cnnvd enisa_euvd cert_bund nvd NVD CVE.org MITRE

published 2018-01-11modified 2026-06-17

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+8748 more

references (50)

External citations — patches, advisories, analysis.

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