In the Linux kernel before 5.2.14, rds6_inc_info_copy in net/rds/recv.c allows attackers to obtain sensitive information from kernel stack memory because tos and flags fields are not initialized.

References

• https://nvd.nist.gov/vuln/detail/CVE-2019-16714
• torvalds/linux@7d0a065
• https://cdn.kernel.org/pub/linux/kernel/v5.x/ChangeLog-5.2.14
• https://security.netapp.com/advisory/ntap-20191031-0005/
• https://support.f5.com/csp/article/K48351130?utm_source=f5support&utm_medium=RSS
• https://usn.ubuntu.com/4157-1/
• https://usn.ubuntu.com/4157-2/
• http://www.openwall.com/lists/oss-security/2019/09/24/2
• http://www.openwall.com/lists/oss-security/2019/09/25/1