CVE-2019-19073

Severity: medium (CVSS 4.0 v3.1)
Exploited in the wild: not listed in CISA KEV
EPSS: 0.5% probability of exploitation in the next 30 days
Public exploit or detection template: none known
Published: 2019-11-18 · updated 2026-06-17
Weakness: CWE-401

Description

Memory leaks in drivers/net/wireless/ath/ath9k/htc_hst.c in the Linux kernel through 5.3.11 allow attackers to cause a denial of service (memory consumption) by triggering wait_for_completion_timeout() failures. This affects the htc_config_pipe_credits() function, the htc_setup_complete() function, and the htc_connect_service() function, aka CID-853acf7caf10.

Affected products

Fedoraproject Fedora: 30, 31
Linux kernel: through 5.3.11
openSUSE Leap: 15.1

References

http://lists.opensuse.org/opensuse-security-announce/2019-12/msg00029.html
https://github.com/torvalds/linux/commit/853acf7caf10b828102d92d05b5c101666a6142b
https://lists.debian.org/debian-lts-announce/2020/10/msg00032.html
https://lists.debian.org/debian-lts-announce/2020/10/msg00034.html
https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/O3PSDE6PTOTVBK2YTKB2TFQP2SUBVSNF/
https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/PY7LJMSPAGRIKABJPDKQDTXYW3L5RX2T/
https://security.netapp.com/advisory/ntap-20191205-0001/
https://usn.ubuntu.com/4526-1/
https://usn.ubuntu.com/4527-1/
https://www.oracle.com/security-alerts/cpuApr2021.html
http://lists.opensuse.org/opensuse-security-announce/2019-12/msg00029.html
https://github.com/torvalds/linux/commit/853acf7caf10b828102d92d05b5c101666a6142b

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