CVE-2018-1130: canonical ubuntu_linux NULL Pointer Dereference
Vulnerability summary
CVE-2018-1130 is a medium (CVSS 5.5) NULL Pointer Dereference vulnerability in canonical ubuntu_linux. EPSS estimates a 0.48% chance of exploitation in the next 30 days, higher than 41.3% of scored vulnerabilities.
Not severe (CVSS 5.5, local access); no exploitation reported by the 5 checked sources
Source freshness unavailable
How is this decided?Advisory lineage
Upstream 0 · Downstream 24 · Related 15Timeline
- 10-05-2018PublishedVulnerability first disclosed.
- 05-08-2024Last modifiedVulnerability information updated.
Description
Linux kernel before version 4.16-rc7 is vulnerable to a null pointer dereference in dccp_write_xmit() function in net/dccp/output.c in that allows a local user to cause a denial of service by a number of certain crafted system calls.
CVSS metrics
5 scores · 4 sources · 2 versions- NVDNIST5.5MediumCVSS:3.0/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H
- OSV · UbuntuEcosystem advisory · calculated5.5MediumCVSS:3.0/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H
- OSV · DebianEcosystem advisory · calculated5.5MediumCVSS:3.0/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H
EPSS trend
Probability
0.48%
Chance of exploitation in the next 30 days
Percentile
41%
Versus all other CVEs
30-day change
Decrease -0.01 pp
From 0.49% on 04-10-2026
Known exploited
Compare KEV catalogs
CISA KEVNot in the CISA KEV catalog.
ENISA CNWNot in the ENISA CNW catalog.
CIRCLNot in the CIRCL catalog.
Public exploits
0 foundNo public exploits indexed.
Weaknesses
CWE · root causeAffected systems
Known conditions: local access, low-privilege account, no user interaction (CVSS vector). Other conditions: not stated in public data.
Ubuntu17 products
- linux< 3.13.0-153.203 | < 4.4.0-127.153
- linux-aws< 4.4.0-1022.22 | < 4.4.0-1060.69
- linux-azure< 4.15.0-1013.13~16.04.2
- linux-azure-fdeAll versions (No fix recorded)
- linux-fips< 4.4.0-1008.10
Redhat3 products
Debian2 products
- linux< 4.15.17-1
- debian_linuxEOL7.0 | 8.0
Canonical1 product
- ubuntu_linuxEOL14.04 | 16.04
Linux1 product
- linux_kernel< 4.16 | 4.16:rc1 | 4.16:rc2 | 4.16:rc3 | 4.16:rc4 | 4.16:rc5 | 4.16:rc6
Unspecified1 product
- kernelkernel 4.16-rc7
6 vendors · 25 products
References
28 links
lists.debian.org/debian-lts-announce/2018/07/msg00015.htmlMailing ListX Refsource MLISTThird Party Advisory- syzkaller.appspot.com/bug?id=833568de043e0909b2aeaef7be136db39d21ba94X Refsource MISCThird Party AdvisoryREPORT
- lists.debian.org/debian-lts-announce/2018/07/msg00016.htmlMailing ListX Refsource MLISTThird Party Advisory
- lists.debian.org/debian-lts-announce/2018/06/msg00000.htmlMailing ListX Refsource MLISTThird Party Advisory
- lists.debian.org/debian-lts-announce/2018/07/msg00020.htmlMailing ListX Refsource MLISTThird Party Advisory