HIGH
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.
https://cdn.kernel.org/pub/linux/kernel/v5.x/ChangeLog-5.3
https://github.com/torvalds/linux/commit/a21b7f0cff1906a93a0130b74713b15a0b36481d
Source: MITRE
Published: 2019-11-18
Updated: 2019-12-05
Type: CWE-400
Base Score: 7.8
Vector: AV:N/AC:L/Au:N/C:N/I:N/A:C
Impact Score: 6.9
Exploitability Score: 10
Severity: HIGH
Base Score: 7.5
Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
Impact Score: 3.6
Exploitability Score: 3.9
Severity: HIGH