THREAT OPS › Threat News › [NVD] CVE-2026-53389 (HIGH 7.8) — In the Linux kernel, the following vulnerability has been resolved:
net/tcp-ao: fix use-after-free of key in del_async path
In tcp_ao_delete_key(), the del_async path skips the current_key
and rnext_key validity checks present in the synchronous path,
assuming these pointers ar
[NVD] CVE-2026-53389 (HIGH 7.8) — In the Linux kernel, the following vulnerability has been resolved: net/tcp-ao: fix use-after-free of key in del_async path In tcp_ao_delete_key(), the del_async path skips the current_key and rnext_key validity checks present in the synchronous path, assuming these pointers ar
CVE-2026-53389 CVSS: 7.8 HIGH Published: 2026-07-19T12:16:49.890
In the Linux kernel, the following vulnerability has been resolved:
net/tcp-ao: fix use-after-free of key in del_async path
In tcp_ao_delete_key(), the del_async path skips the current_key and rnext_key validity checks present in the synchronous path, assuming these pointers are always NULL on LISTEN sockets. However, if a key wa
Indicators of compromise
- CVE-2026-53389cve
Original source: https://nvd.nist.gov/vuln/detail/CVE-2026-53389