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 products
Version statuses are supplied by the assigning organization. Consult the original record for detailed ranges and platform conditions.
UNKNOWN Linux Kernel
4.20.x prior to 4.20.8affected4.19.x prior to 4.19.21affected
References
- https://cdn.kernel.org/pub/linux/kernel/v4.x/ChangeLog-4.19.21 ↗
- https://cdn.kernel.org/pub/linux/kernel/v4.x/ChangeLog-4.20.8 ↗
- https://secuniaresearch.flexerasoftware.com/secunia_research/2019-5/ ↗
- https://git.kernel.org/cgit/linux/kernel/git/stable/linux-stable.git/commit/?id=ba59fb0273076637f0add4311faa990a5eec27c0 ↗
- https://usn.ubuntu.com/3930-1/ ↗
- https://usn.ubuntu.com/3930-2/ ↗
- https://support.f5.com/csp/article/K12671141 ↗