ZDI-26-691: Linux Kernel Netlink-based Wireless Configuration Integer Overflow Local Privilege Escalation Vulnerability
ZDI-26-691: integer overflow in Linux kernel netlink wireless configuration (CVE-2026-53182) allows local privilege escalation by attackers already running high-privileged code; CVSS 8.2.
ZDI advisory ZDI-26-691 discloses an integer overflow in the Linux kernel's netlink-based wireless configuration that allows local attackers to escalate privileges on affected installations. Exploitation requires the attacker to first obtain the ability to execute high-privileged code on the target system. ZDI assigned a CVSS rating of 8.2 and CVE-2026-53182.
- Integer overflow in Linux kernel netlink-based wireless configuration
- Local attackers can escalate privileges
- Requires prior ability to execute high-privileged code
- CVE-2026-53182 assigned; CVSS 8.2
Vulnerabilities mentioned
All| CVE | Vulnerability | CVSS | EPSS | Signals | Published |
|---|---|---|---|---|---|
| CVE-2026-53182 | Linux kernel: wifi: nl80211: reject oversized EMA RNR lists nl80211_parse_rnr_elems() stores the parsed element count in a… | 7.8 | <1% |
From the original article
This vulnerability allows local attackers to escalate privileges on affected installations of Linux Kernel. An attacker must first obtain the ability to execute high-privileged code on the target system in order to exploit this vulnerability. The ZDI has assigned a CVSS rating of 8.
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