In the Linux Kernel before version 4.15.8, 4.14.25, 4.9.87, 4.4.121, 4.1.51, and 3.2.102, an error in the "_sctp_make_chunk()" function…

Description

In the Linux Kernel before version 4.15.8, 4.14.25, 4.9.87, 4.4.121, 4.1.51, and 3.2.102, an error in the "_sctp_make_chunk()" function (net/sctp/sm_make_chunk.c) when handling SCTP packets length can be exploited to cause a kernel crash.

Scores

EPSS (exploitation in 30 days)

0.83% · top 42% of all CVEs (4 Nov 2026)

The list uses the assigner's score when there is one, then CISA's, then NVD's: Medium 5.5.

Weakness

• Denial of Service
• CWE-20 (opens in a new tab)All about CWE-20 and its CVEs

Affected products

• Linux Foundation · Linux Kernel

  • affected Before version 4.15.8, 4.14.25, 4.9.87, 4.4.121, 4.1.51, and 3.2.102.

References (26)

• 81331 (opens in a new tab)third-party-advisoryx_refsource_SECUNIAx_transferred
• RHSA-2018:3083 (opens in a new tab)vendor-advisoryx_refsource_REDHATx_transferred
• https://cdn.kernel.org/pub/linux/kernel/v4.x/ChangeLog-4.14.25 (opens in a new tab)x_refsource_CONFIRMx_transferred
• DSA-4187 (opens in a new tab)vendor-advisoryx_refsource_DEBIANx_transferred
• USN-3654-1 (opens in a new tab)vendor-advisoryx_refsource_UBUNTUx_transferred
• https://cdn.kernel.org/pub/linux/kernel/v4.x/ChangeLog-4.1.51 (opens in a new tab)x_refsource_CONFIRMx_transferred
• RHSA-2018:1854 (opens in a new tab)vendor-advisoryx_refsource_REDHATx_transferred
• USN-3697-1 (opens in a new tab)vendor-advisoryx_refsource_UBUNTUx_transferred
• https://cdn.kernel.org/pub/linux/kernel/v3.x/ChangeLog-3.2.102 (opens in a new tab)x_refsource_CONFIRMx_transferred
• DSA-4188 (opens in a new tab)vendor-advisoryx_refsource_DEBIANx_transferred
• [netdev] 20180207 [Secunia Research] Linux Kernel Vulnerability - Sending information (opens in a new tab)mailing-listx_refsource_MLISTx_transferred
• RHSA-2018:2948 (opens in a new tab)vendor-advisoryx_refsource_REDHATx_transferred
• USN-3697-2 (opens in a new tab)vendor-advisoryx_refsource_UBUNTUx_transferred
• https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux-stable.git/commit/?id=07f2c7ab6f8d0a7e7c5764c4e6cc9c52951b9d9c (opens in a new tab)x_refsource_CONFIRMx_transferred
• [linux-sctp] 20180209 skb_over_panic on INIT/INIT_ACK packet sending (opens in a new tab)mailing-listx_refsource_MLISTx_transferred
• https://cdn.kernel.org/pub/linux/kernel/v4.x/ChangeLog-4.9.87 (opens in a new tab)x_refsource_CONFIRMx_transferred
• https://cdn.kernel.org/pub/linux/kernel/v4.x/ChangeLog-4.15.8 (opens in a new tab)x_refsource_CONFIRMx_transferred
• USN-3654-2 (opens in a new tab)vendor-advisoryx_refsource_UBUNTUx_transferred
• https://cdn.kernel.org/pub/linux/kernel/v4.x/ChangeLog-4.4.121 (opens in a new tab)x_refsource_CONFIRMx_transferred
• USN-3698-1 (opens in a new tab)vendor-advisoryx_refsource_UBUNTUx_transferred
• [debian-lts-announce] 20180502 [SECURITY] [DLA 1369-1] linux security update (opens in a new tab)mailing-listx_refsource_MLISTx_transferred
• USN-3656-1 (opens in a new tab)vendor-advisoryx_refsource_UBUNTUx_transferred
• https://secuniaresearch.flexerasoftware.com/secunia_research/2018-2/ (opens in a new tab)x_refsource_MISCx_transferred
• RHSA-2018:3096 (opens in a new tab)vendor-advisoryx_refsource_REDHATx_transferred
• USN-3698-2 (opens in a new tab)vendor-advisoryx_refsource_UBUNTUx_transferred
• RHSA-2019:0641 (opens in a new tab)vendor-advisoryx_refsource_REDHATx_transferred

Sources

The same CVE in the primary databases and aggregators, to check against.

• CVE.org record (opens in a new tab)
• CVE List JSON (GitHub) (opens in a new tab)
• NVD (opens in a new tab)
• FIRST EPSS (opens in a new tab)
• OSV.dev (opens in a new tab)
• GitHub Advisories (opens in a new tab)
• CIRCL Vulnerability-Lookup (opens in a new tab)

Badge for a README or a ticket

[![CVE-2018-5803](https://trackcve.app/badge/CVE-2018-5803.svg)](https://trackcve.app/cve/CVE-2018-5803)

Record last updated 5 Aug 2024, 05:47 UTC.