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Vulnerability record · CVE-2018-5333 · published 11 January 2018

CVE-2018-5333: Linux kernel null pointer dereference vulnerability

Linux · Linux Kernel

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.

5.5 CVSS 3.0 Medium EPSS 7.2% · top 5.9% CWE-476 · NULL pointer dereference
5.5CVSS 3.0 base score, v2 4.9
7.2%EPSS exploitation probability, 30 days
NoNot in CISA KEV
3Affected product versions listed by NVD
30References
17 Jun 2026Last modified by NVD

Description

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

Affected products

3 vulnerable configurations from NVD's CPE data, grouped by vendor and product.

References

LinkTags
http://git.kernel.org/cgit/linux/kernel/git/torvalds/linux.git/commit/?id=7d11f77f84b27cef452cee332f4e469503084737 Issue TrackingPatchVendor Advisory
http://packetstormsecurity.com/files/156053/Reliable-Datagram-Sockets-RDS-rds_atomic_free_op-Privilege-Escalation.html
http://www.securityfocus.com/bid/102510 Third Party AdvisoryVDB Entry
https://access.redhat.com/errata/RHSA-2018:0470 Third Party Advisory
https://github.com/torvalds/linux/commit/7d11f77f84b27cef452cee332f4e469503084737 PatchVendor Advisory
https://lists.debian.org/debian-lts-announce/2018/05/msg00000.html Mailing ListThird Party Advisory
https://usn.ubuntu.com/3583-1/ Third Party Advisory
https://usn.ubuntu.com/3583-2/ Third Party Advisory
https://usn.ubuntu.com/3617-1/ Third Party Advisory
https://usn.ubuntu.com/3617-2/ Third Party Advisory
https://usn.ubuntu.com/3617-3/ Third Party Advisory
https://usn.ubuntu.com/3619-1/ Third Party Advisory
https://usn.ubuntu.com/3619-2/ Third Party Advisory
https://usn.ubuntu.com/3632-1/ Third Party Advisory
https://www.debian.org/security/2018/dsa-4187 Third Party Advisory
http://git.kernel.org/cgit/linux/kernel/git/torvalds/linux.git/commit/?id=7d11f77f84b27cef452cee332f4e469503084737 Issue TrackingPatchVendor Advisory
http://packetstormsecurity.com/files/156053/Reliable-Datagram-Sockets-RDS-rds_atomic_free_op-Privilege-Escalation.html
http://www.securityfocus.com/bid/102510 Third Party AdvisoryVDB Entry
https://access.redhat.com/errata/RHSA-2018:0470 Third Party Advisory
https://github.com/torvalds/linux/commit/7d11f77f84b27cef452cee332f4e469503084737 PatchVendor Advisory
https://lists.debian.org/debian-lts-announce/2018/05/msg00000.html Mailing ListThird Party Advisory
https://usn.ubuntu.com/3583-1/ Third Party Advisory
https://usn.ubuntu.com/3583-2/ Third Party Advisory
https://usn.ubuntu.com/3617-1/ Third Party Advisory
https://usn.ubuntu.com/3617-2/ Third Party Advisory
https://usn.ubuntu.com/3617-3/ Third Party Advisory
https://usn.ubuntu.com/3619-1/ Third Party Advisory
https://usn.ubuntu.com/3619-2/ Third Party Advisory
https://usn.ubuntu.com/3632-1/ Third Party Advisory
https://www.debian.org/security/2018/dsa-4187 Third Party Advisory

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Source: NIST National Vulnerability Database (record CVE-2018-5333), CISA KEV, FIRST EPSS (scores of 2026-09-26). This page is refreshed as NVD updates the record.