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.
| Software | From | Fixed in |
|---|---|---|
| linux / linux_kernel | 4.18 | 4.19.89 |
| linux / linux_kernel | 4.20 | 5.3 |
| canonical / ubuntu_linux | 18.04 | 18.04.x |