CVE-2026-68439
CVE-2026-68439: 1 tracked advisory record across Red Hat. Compare vendor sources and published fix guidance.
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Vendor advisory comparison
Red Hat
1 advisory- Advisory severityMedium5.5
Medium [CVE-2026-68439] fix possible NULL-pointer deref in mt7925_mcu_bss_he_tlv
CVE-2026-68439Source published Source updated
In the Linux kernel, the following vulnerability has been resolved: wifi: mt76: mt7925: fix possible NULL-pointer deref in mt7925_mcu_bss_he_tlv() mt76_connac_get_he_phy_cap routine can theoretically return NULL so check cap pointer before dereferencing it. A flaw was found in the Linux kernel's Wi-Fi driver for the `mt7925` component. This vulnerability arises from a potential NULL-pointer dereference within the `mt7925_mcu_bss_he_tlv()` function. If the `mt76_connac_get_he_phy_cap` routine returns a null value, it is not properly checked before being used, which could lead to system instability or a denial of service (DoS). This issue affects systems using MediaTek mt7925 Wi-Fi hardware. mt7925_mcu_bss_he_tlv() did not check for a NULL HE PHY capabilities pointer before dereferencing…
- Affected products in this advisory
- Red Hat Enterprise Linux 10
- Red Hat Enterprise Linux 9
- Red Hat Enterprise Linux for NVIDIA 26
- Red Hat package: kernel
- Source-reported affected versions
- Affected-version details not available in this record.
- Source-reported fixed versions
- No fixed-version detail extracted. This does not mean no fix exists.
- Mitigation guidance
- To mitigate this issue, prevent the mt7925e module from loading. See https://access.redhat.com/solutions/41278 for instructions.
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