CVEvulnerability
CVE-2019-8956
7.8 HIGH
Official page ↗
- Status
- Modified
- Published
- 2019-04-01
- Last modified
- 2026-06-17
- Assigner
- [email protected]
- CVSS 3.1 ([email protected])
- 7.8 HIGH — CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
- CVSS 2.0 ([email protected])
- 7.2 HIGH — AV:L/AC:L/Au:N/C:C/I:C/A:C
- Weaknesses
- CWE-416, CWE-787
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.
Affected configurations
• linux linux kernel (>= 4.17 < 4.19.21)
• linux linux kernel (>= 4.20 < 4.20.8)
• canonical ubuntu linux 18.04
• canonical ubuntu linux 18.10
Related
References
- https://cdn.kernel.org/pub/linux/kernel/v4.x/ChangeLog-4.19.21 Release Notes, Vendor Advisory
- https://cdn.kernel.org/pub/linux/kernel/v4.x/ChangeLog-4.20.8 Release Notes, Vendor Advisory
- https://git.kernel.org/cgit/linux/kernel/git/stable/linux-stable.git/commit/?id=ba59fb0273076637f0add4311faa990a5eec27c0 Mailing List, Patch, Vendor Advisory
- https://secuniaresearch.flexerasoftware.com/secunia_research/2019-5/ Broken Link
- https://support.f5.com/csp/article/K12671141 Third Party Advisory
- https://usn.ubuntu.com/3930-1/ Third Party Advisory
- https://usn.ubuntu.com/3930-2/ Third Party Advisory
- https://cdn.kernel.org/pub/linux/kernel/v4.x/ChangeLog-4.19.21 Release Notes, Vendor Advisory
- https://cdn.kernel.org/pub/linux/kernel/v4.x/ChangeLog-4.20.8 Release Notes, Vendor Advisory
- https://git.kernel.org/cgit/linux/kernel/git/stable/linux-stable.git/commit/?id=ba59fb0273076637f0add4311faa990a5eec27c0 Mailing List, Patch, Vendor Advisory
- https://secuniaresearch.flexerasoftware.com/secunia_research/2019-5/ Broken Link
- https://support.f5.com/csp/article/K12671141 Third Party Advisory
- https://usn.ubuntu.com/3930-1/ Third Party Advisory
- https://usn.ubuntu.com/3930-2/ Third Party Advisory