CVE-2026-80617

Critical

Description

In the Linux kernel, the following vulnerability has been resolved: net: airoha: fix foe_check_time allocation size foe_check_time is declared as u16 pointer but was allocated with only ppe_num_entries bytes instead of ppe_num_entries * sizeof(u16). When airoha_ppe_foe_verify_entry() is called with hash >= ppe_num_entries/2, it writes beyond the allocated buffer, causing heap buffer overflow and potential kernel crash.

SeverityCritical
CVSS9.8
Exploit probability—
ProductLinux
PublishedAug 28, 2026
First seenAug 28, 2026

How to fix

Update
  • Linux Linux112b5eff24e044561ee9599a0d34e0fcea1df4e0, 9f7cd1e26d2f1766438edc9b9254f2c618f9ae98, 5c121ee635680c93d7074becf14cfbaac140f80d, 6.18.40 or later

Affected products

ProductAffected versionsFixed in
Linux Linux56b99327a451917f1c17f85fc33ea8293c08a9ee ≤ v < 112b5eff24e044561ee9599a0d34e0fcea1df4e0, 6d5b601d52a27aafff555b480e538507901c672c ≤ v < 9f7cd1e26d2f1766438edc9b9254f2c618f9ae98, 6d5b601d52a27aafff555b480e538507901c672c ≤ v < 5c121ee635680c93d7074becf14cfbaac140f80d, 6.18.33 ≤ v < 6.18.40, 6.19112b5eff24e044561ee9599a0d34e0fcea1df4e0, 9f7cd1e26d2f1766438edc9b9254f2c618f9ae98, 5c121ee635680c93d7074becf14cfbaac140f80d, 6.18.40

Check your version

Choose the product and enter the version you run to see whether it falls in the affected range.

In the Intelligence 360 plan

Attack Surface Management

See the assets tied to your domains, the technologies they run and known vulnerabilities in one list.

CVE-2026-80617 · Linux · Dark Radar