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nvd416baaa9-dc9f-4396-8d5f-8c081fb06d67NVD:CVE-2024-26593
HistoryFeb 23, 2024 - 10:15 a.m.

CVE-2024-26593

2024-02-2310:15:07
CWE-125
416baaa9-dc9f-4396-8d5f-8c081fb06d67
web.nvd.nist.gov
1
linux kernel
i2c i801
intel datasheets
buffer index
block buffer

7.1 High

CVSS3

Attack Vector

LOCAL

Attack Complexity

LOW

Privileges Required

LOW

User Interaction

NONE

Scope

UNCHANGED

Confidentiality Impact

HIGH

Integrity Impact

NONE

Availability Impact

HIGH

CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:N/A:H

7.1 High

AI Score

Confidence

High

0.0004 Low

EPSS

Percentile

5.1%

In the Linux kernel, the following vulnerability has been resolved:

i2c: i801: Fix block process call transactions

According to the Intel datasheets, software must reset the block
buffer index twice for block process call transactions: once before
writing the outgoing data to the buffer, and once again before
reading the incoming data from the buffer.

The driver is currently missing the second reset, causing the wrong
portion of the block buffer to be read.

Affected configurations

NVD
Node
linuxlinux_kernelRange5.3.05.4.269
OR
linuxlinux_kernelRange5.5.05.10.210
OR
linuxlinux_kernelRange5.11.05.15.149
OR
linuxlinux_kernelRange5.16.06.1.79
OR
linuxlinux_kernelRange6.2.06.6.18
OR
linuxlinux_kernelRange6.7.06.7.6

7.1 High

CVSS3

Attack Vector

LOCAL

Attack Complexity

LOW

Privileges Required

LOW

User Interaction

NONE

Scope

UNCHANGED

Confidentiality Impact

HIGH

Integrity Impact

NONE

Availability Impact

HIGH

CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:N/A:H

7.1 High

AI Score

Confidence

High

0.0004 Low

EPSS

Percentile

5.1%