CVE-2026-98887None▾ SunlitIn the Linux kernel, the following vulnerability has been resolved: wifi: mac80211_hwsim: reject undersized HWSIM_ATTR_TX_INFO hwsim_tx_info_frame_received_nl() casts the HWSIM_ATTR_TX_INFO payload to a struct hwsim_tx_rate * and uncon…
▾ Sunlit zone — Low / medium · no exploitation signal
impact 2.8 · likelihood 0 · exploitation 0
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Exploit-prediction probability, daily snapshots since Oct 25.
Disclosure to exploitation, from the record and what we observed since indexing it.
Disclosed via CVEORG
0.2%
Last analysed / modified upstream
In the Linux kernel, the following vulnerability has been resolved:
wifi: mac80211_hwsim: reject undersized HWSIM_ATTR_TX_INFO
hwsim_tx_info_frame_received_nl() casts the HWSIM_ATTR_TX_INFO payload to a struct hwsim_tx_rate * and unconditionally reads IEEE80211_TX_MAX_RATES entries (8 bytes) from it. The policy only bounds the attribute from above (NLA_BINARY .len is a maximum) and the op sets GENL_DONT_VALIDATE_STRICT, so a short or zero-length attribute is accepted and the loop reads past the payload.
Require the exact length in the policy, so a malformed attribute is rejected before the handler runs.
Linux >= 5d44fe7c9808c56e136e59147bd932f5491520f1 < 3a96bb65b4b820d8b41fa155781ec1c29e3479d4Linux >= 5d44fe7c9808c56e136e59147bd932f5491520f1 < 59e1f2a0242232b4a3af144ae317d3913fc09046Linux >= 5d44fe7c9808c56e136e59147bd932f5491520f1 < 1ae85bb34fe3510659b86d6a5f8036dd498233f8Linux >= 5d44fe7c9808c56e136e59147bd932f5491520f1 < 6f6368b20f8c9481fa7ba7b672dcb3c9f36b2695Linux >= 5d44fe7c9808c56e136e59147bd932f5491520f1 < b5b1234bbfa25537fb9a5c0d62c328ed4547f721Linux >= 5d44fe7c9808c56e136e59147bd932f5491520f1 < 13edd8ea7ff2ce6a964b290ef2034cd8cbed96c7Linux >= 5d44fe7c9808c56e136e59147bd932f5491520f1 < 3dc723ac78a6e4fa0fd49e27e487ed319da40a9fLinux 5.7Refer to the linked advisories for vendor-supplied fixes and affected version ranges.
Connected by shared product, vendor, weakness, or advisory.
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