Threats Tagged 'cve-2026-45865'
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Threats Tagged 'cve-2026-45865'
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A vulnerability in the Linux kernel's mctp i2c driver caused uninitialized stack bytes to be returned during i2c read operations. This was due to missing initialization of event handler read bytes, resulting in potentially unpredictable data being read. The issue was fixed by setting read bytes to 0xff, ensuring consistent and safe read values. Join the discussion | GCVE Database | 05/27/2026, 15:33:13 UTC Added: 06/26/2026, 22:06:43 UTC |
In the Linux kernel, the following vulnerability has been resolved: mctp i2c: initialise event handler read bytes Set a 0xff value for i2c reads of an mctp-i2c device. Otherwise reads will return "val" from the i2c bus driver. For i2c-aspeed and i2c-npcm7xx that is a stack uninitialised u8. Tested with "i2ctransfer -y 1 r10@0x34" where 0x34 is a mctp-i2c instance, now it returns all 0xff. Join the discussion | GCVE Database | 05/27/2026, 14:16:00 UTC Added: 07/18/2026, 11:19:23 UTC |
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