Description
The SCTP socket buffer used by a userspace application is not accounted by the cgroups subsystem. An attacker can use this flaw to cause a denial of service attack. Kernel 3.10.x and 4.18.x branches are believed to be vulnerable.
Affected products
Version statuses are supplied by the assigning organization. Consult the original record for detailed ranges and platform conditions.
The Linux Foundation kernel
3.10.x and 4.18.xaffected
References
- https://usn.ubuntu.com/3981-1/ ↗
- https://usn.ubuntu.com/3980-1/ ↗
- https://usn.ubuntu.com/3979-1/ ↗
- https://usn.ubuntu.com/3982-2/ ↗
- https://usn.ubuntu.com/3982-1/ ↗
- https://usn.ubuntu.com/3980-2/ ↗
- https://usn.ubuntu.com/3981-2/ ↗
- https://access.redhat.com/errata/RHSA-2019:3309 ↗
- https://access.redhat.com/errata/RHSA-2019:3517 ↗
- https://lists.debian.org/debian-lts-announce/2020/09/msg00025.html ↗
- https://www.oracle.com/security-alerts/cpuApr2021.html ↗
- https://bugzilla.redhat.com/show_bug.cgi?id=CVE-2019-3874 ↗
- https://security.netapp.com/advisory/ntap-20190411-0003/ ↗