The __ip6_append_data function in net/ipv6/ip6_output.c in the Linux kernel through 4.11.3 is too late in checking whether an overwrite of…

Description

The __ip6_append_data function in net/ipv6/ip6_output.c in the Linux kernel through 4.11.3 is too late in checking whether an overwrite of an skb data structure may occur, which allows local users to cause a denial of service (system crash) via crafted system calls.

Scores

EPSS (exploitation in 30 days)

0.40% · top 65% of all CVEs (3 Nov 2026)

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

Weakness

• n/a
• CWE-20 (opens in a new tab)All about CWE-20 and its CVEs

Affected products

• n/a

  • affected n/a

References (7)

• 98731 (opens in a new tab)vdb-entryx_refsource_BIDx_transferred
• https://patchwork.ozlabs.org/patch/764880/ (opens in a new tab)x_refsource_CONFIRMx_transferred
• https://github.com/torvalds/linux/commit/232cd35d0804cc241eb887bb8d4d9b3b9881c64a (opens in a new tab)x_refsource_CONFIRMx_transferred
• http://git.kernel.org/cgit/linux/kernel/git/torvalds/linux.git/commit/?id=232cd35d0804cc241eb887bb8d4d9b3b9881c64a (opens in a new tab)x_refsource_CONFIRMx_transferred
• RHSA-2017:2077 (opens in a new tab)vendor-advisoryx_refsource_REDHATx_transferred
• DSA-3886 (opens in a new tab)vendor-advisoryx_refsource_DEBIANx_transferred
• RHSA-2017:1842 (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-2017-9242](https://trackcve.app/badge/CVE-2017-9242.svg)](https://trackcve.app/cve/CVE-2017-9242)

Record last updated 5 Aug 2024, 17:02 UTC.