A memory leak in the qrtr_tun_write_iter() function in net/qrtr/tun.c in the Linux kernel before 5.3 allows attackers to cause a denial of service (memory consumption), aka CID-a21b7f0cff19. Reference and upstream commit: https://github.com/torvalds/linux/commit/a21b7f0cff1906a93a0130b74713b15a0b36481d
Created kernel tracking bugs for this issue: Affects: fedora-all [bug 1776368]
This was fixed for Fedora with the 5.3.x kernel rebases.
External References: Reference and upstream commit: https://github.com/torvalds/linux/commit/a21b7f0cff1906a93a0130b74713b15a0b36481d
Statement: There was no shipped kernel version were seen affected with this problem. These files are not built in our source code.
This bug is now closed. Further updates for individual products will be reflected on the CVE page(s): https://access.redhat.com/security/cve/cve-2019-19079