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CVE-2019-8956
In the Linux Kernel before versions 4.20.8 and 4.19.21 a use-after-free error in the "sctp_sendmsg()" function (net/sctp/socket.c) when…
High7.8EPSS 1.1%
- Published
- Updated
- Reserved
- Assigned by
- flexera
Description
In the Linux Kernel before versions 4.20.8 and 4.19.21 a use-after-free error in the "sctp_sendmsg()" function (net/sctp/socket.c) when handling SCTP_SENDALL flag can be exploited to corrupt memory.
Scores
| Scored by | CVSS | Score | Vector |
|---|---|---|---|
| NVDNVD · Modified | 3.1 | High7.8 | CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H |
- EPSS (exploitation in 30 days)
- 1.1% · top 33% of all CVEs (6 Nov 2026)
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The list uses the assigner's score when there is one, then CISA's, then NVD's: High 7.8.
Weakness
Affected products
- affected 4.20.x prior to 4.20.8
- affected 4.19.x prior to 4.19.21
References (7)
- https://cdn.kernel.org/pub/linux/kernel/v4.x/ChangeLog-4.19.21 (opens in a new tab)x_refsource_MISCx_transferred
- https://cdn.kernel.org/pub/linux/kernel/v4.x/ChangeLog-4.20.8 (opens in a new tab)x_refsource_MISCx_transferred
- https://secuniaresearch.flexerasoftware.com/secunia_research/2019-5/ (opens in a new tab)x_refsource_MISCx_transferred
- https://git.kernel.org/cgit/linux/kernel/git/stable/linux-stable.git/commit/?id=ba59fb0273076637f0add4311faa990a5eec27c0 (opens in a new tab)x_refsource_MISCx_transferred
- USN-3930-1 (opens in a new tab)vendor-advisoryx_refsource_UBUNTUx_transferred
- USN-3930-2 (opens in a new tab)vendor-advisoryx_refsource_UBUNTUx_transferred
- https://support.f5.com/csp/article/K12671141 (opens in a new tab)x_refsource_CONFIRMx_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)
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[](https://trackcve.app/cve/CVE-2019-8956)Record last updated .