CVE-2026-90378

Unknown

Last modified

CVE-2026-90378 is a vulnerability of currently unknown severity. In the Linux kernel, the following vulnerability has been resolved: wifi: mt76: mt792x: Fix memory leak in SDIO TX path When tx_prepare_skb() returns an error in the SDIO TX path, the skb is not freed, leading to a memory leak. This can occur when zero-length frames (such as WNM NULL frames) are dropped to prevent potential hardware TX hangs. Fix this by properly releasing the skb with ieee80211_tx_status_ext() when tx_prepare_skb() fails..

Description

In the Linux kernel, the following vulnerability has been resolved: wifi: mt76: mt792x: Fix memory leak in SDIO TX path When tx_prepare_skb() returns an error in the SDIO TX path, the skb is not freed, leading to a memory leak. This can occur when zero-length frames (such as WNM NULL frames) are dropped to prevent potential hardware TX hangs. Fix this by properly releasing the skb with ieee80211_tx_status_ext() when tx_prepare_skb() fails.

Affected Software

Source: CNA advisory (CVE.org). NVD analysis pending.

VendorProductVersions
LinuxLinux>= b747fa343817fd322b4463dda99d28fc51e19c52, < b64d196280aff8494ba6fb387e37b18479c99b83; >= b747fa343817fd322b4463dda99d28fc51e19c52, < 9ef1351209d42b7d96604f2a13d7ea8215a24e07; >= b747fa343817fd322b4463dda99d28fc51e19c52, < c2c7f16f2c62f79f7c381e500afa7123580742a5; >= b747fa343817fd322b4463dda99d28fc51e19c52, < 6a8000c76dc34490a2bb321ad1a5f882a2ccab7c; >= b747fa343817fd322b4463dda99d28fc51e19c52, < ddf6a17d8e3d0dbb841c13c10d7c1340a138a80d; >= b747fa343817fd322b4463dda99d28fc51e19c52, < 6a342db7a6502bc6781579145e05d4d4731786ab; >= b747fa343817fd322b4463dda99d28fc51e19c52, < 808f2767d4217a5b96f674288573b9b89d432eed
LinuxLinux5.12

References

Timeline

Published
Last Modified
Status
Received

Frequently Asked Questions

What is CVE-2026-90378?
In the Linux kernel, the following vulnerability has been resolved: wifi: mt76: mt792x: Fix memory leak in SDIO TX path When tx_prepare_skb() returns an error in the SDIO TX path, the skb is not freed, leading to a memory leak. This can occur when zero-length frames (such as WNM NULL frames) are dropped to prevent potential hardware TX hangs. Fix this by properly releasing the skb with ieee80211_tx_status_ext() when tx_prepare_skb() fails.
How severe is CVE-2026-90378?
Severity scoring for CVE-2026-90378 is pending analysis.
How do I fix CVE-2026-90378?
Check the vendor references and advisories linked above for patched versions and mitigation guidance. You can also run a Strix scan to test if your systems are affected.

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Source: NVD / NIST