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ubuntucveUbuntu.comUB:CVE-2024-42249
HistoryAug 07, 2024 - 12:00 a.m.

CVE-2024-42249

2024-08-0700:00:00
ubuntu.com
ubuntu.com
2
linux
kernel
vulnerability
cve-2024-42249
spi_async
spi_maybe_unoptimize_message
spi_finalize_current_message
controller driver.

CVSS3

3.3

Attack Vector

LOCAL

Attack Complexity

LOW

Privileges Required

LOW

User Interaction

NONE

Scope

UNCHANGED

Confidentiality Impact

NONE

Integrity Impact

LOW

Availability Impact

NONE

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

AI Score

6.9

Confidence

Low

EPSS

0

Percentile

9.5%

In the Linux kernel, the following vulnerability has been resolved:
spi: don’t unoptimize message in spi_async()
Calling spi_maybe_unoptimize_message() in spi_async() is wrong because
the message is likely to be in the queue and not transferred yet. This
can corrupt the message while it is being used by the controller driver.
spi_maybe_unoptimize_message() is already called in the correct place
in spi_finalize_current_message() to balance the call to
spi_maybe_optimize_message() in spi_async().

OSVersionArchitecturePackageVersionFilename
ubuntu20.04noarchlinux-bluefield< anyUNKNOWN

CVSS3

3.3

Attack Vector

LOCAL

Attack Complexity

LOW

Privileges Required

LOW

User Interaction

NONE

Scope

UNCHANGED

Confidentiality Impact

NONE

Integrity Impact

LOW

Availability Impact

NONE

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

AI Score

6.9

Confidence

Low

EPSS

0

Percentile

9.5%