CVE-2019-8956

high

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.

References

https://usn.ubuntu.com/3930-2/

https://usn.ubuntu.com/3930-1/

https://support.f5.com/csp/article/K12671141

https://secuniaresearch.flexerasoftware.com/secunia_research/2019-5/

https://git.kernel.org/cgit/linux/kernel/git/stable/linux-stable.git/commit/?id=ba59fb0273076637f0add4311faa990a5eec27c0

https://cdn.kernel.org/pub/linux/kernel/v4.x/ChangeLog-4.20.8

https://cdn.kernel.org/pub/linux/kernel/v4.x/ChangeLog-4.19.21

Details

Source: Mitre, NVD

Published: 2019-04-01

Updated: 2023-02-24

Risk Information

CVSS v2

Base Score: 7.2

Vector: CVSS2#AV:L/AC:L/Au:N/C:C/I:C/A:C

Severity: High

CVSS v3

Base Score: 7.8

Vector: CVSS:3.0/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H