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redhatcveRedhat.comRH:CVE-2024-40982
HistoryJul 16, 2024 - 6:55 p.m.

CVE-2024-40982

2024-07-1618:55:19
redhat.com
access.redhat.com
1
linux kernel
cve-2024-40982
potential null pointer dereference
ssb_device_uevent()
linux verification center

CVSS3

5.5

Attack Vector

LOCAL

Attack Complexity

LOW

Privileges Required

LOW

User Interaction

NONE

Scope

UNCHANGED

Confidentiality Impact

NONE

Integrity Impact

NONE

Availability Impact

HIGH

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

AI Score

6.8

Confidence

Low

EPSS

0

Percentile

5.1%

In the Linux kernel, the following vulnerability has been resolved: ssb: Fix potential NULL pointer dereference in ssb_device_uevent() The ssb_device_uevent() function first attempts to convert the ‘dev’ pointer to ‘struct ssb_device *’. However, it mistakenly dereferences ‘dev’ before performing the NULL check, potentially leading to a NULL pointer dereference if ‘dev’ is NULL. To fix this issue, move the NULL check before dereferencing the ‘dev’ pointer, ensuring that the pointer is valid before attempting to use it. Found by Linux Verification Center (linuxtesting.org) with SVACE.

CVSS3

5.5

Attack Vector

LOCAL

Attack Complexity

LOW

Privileges Required

LOW

User Interaction

NONE

Scope

UNCHANGED

Confidentiality Impact

NONE

Integrity Impact

NONE

Availability Impact

HIGH

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

AI Score

6.8

Confidence

Low

EPSS

0

Percentile

5.1%