CVE-2026-68353High· 8.1▾ TwilightIn the Linux kernel, the following vulnerability has been resolved: wifi: ath6kl: fix OOB read from firmware num_msg in TX complete handler The firmware-controlled num_msg field (u8, 0-255) drives the loop in ath6kl_wmi_tx_complete_eve…
▾ Twilight zone — High severity, or a signal on a lesser flaw
impact 44.6 · likelihood 0.1 · exploitation 0
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Stakeholder-Specific Vulnerability Categorization from CISA's ADP record at CVE.org: whether exploitation is observed, whether an attack can be automated, and how much of the system is at stake. The CVSS score shown above comes from the assigning CNA record, not NVD.
Exploit-prediction probability, daily snapshots since Oct 16.
Disclosure to exploitation, from the record and what we observed since indexing it.
Disclosed via CVEORG
0.3%
Last analysed / modified upstream
0.3% → 0.3%
In the Linux kernel, the following vulnerability has been resolved:
wifi: ath6kl: fix OOB read from firmware num_msg in TX complete handler
The firmware-controlled num_msg field (u8, 0-255) drives the loop in ath6kl_wmi_tx_complete_event_rx() without validation against the buffer length. This allows out-of-bounds reads of up to 1020 bytes past the WMI event buffer when the firmware sends an inflated num_msg.
Add a check that the buffer is large enough to hold the fixed struct and the num_msg variable-length entries.
Linux >= bdcd81707973cf8aa9305337166f8ee842a050d4 < 5297299c3fa6133275db0be99d69cd759b6cbfe9Linux >= bdcd81707973cf8aa9305337166f8ee842a050d4 < 35196a07603f8c94a4943093bc26d5b5826285f8Linux >= bdcd81707973cf8aa9305337166f8ee842a050d4 < 0e0fc04af9b443c6b425f00fb604ff599bc80d1dLinux >= bdcd81707973cf8aa9305337166f8ee842a050d4 < 69ac7ba3a3df6654e7daa82674575a8c4a1a63eaLinux >= bdcd81707973cf8aa9305337166f8ee842a050d4 < 289edc3c71344b89e6522891147cfb8f61b088bbLinux >= bdcd81707973cf8aa9305337166f8ee842a050d4 < eb636fbc443149b3501c3f97e26225ddcb314a0fLinux >= bdcd81707973cf8aa9305337166f8ee842a050d4 < c38b0d5c661951b5dd082bdf31f8a57a0ce6e540Linux >= bdcd81707973cf8aa9305337166f8ee842a050d4 < 3a21c89215cc18f1a97c5e5bfd1da6d4f3d44495Linux 3.2Refer to the linked advisories for vendor-supplied fixes and affected version ranges.
Connected by shared product, vendor, weakness, or advisory.
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