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nvd416baaa9-dc9f-4396-8d5f-8c081fb06d67NVD:CVE-2024-27021
HistoryMay 01, 2024 - 6:15 a.m.

CVE-2024-27021

2024-05-0106:15:20
CWE-667
416baaa9-dc9f-4396-8d5f-8c081fb06d67
web.nvd.nist.gov
8
linux kernel
vulnerability
deadlock
module removal
r8169
led
devm_led_classdev_register
netdev
rtnl
deadlock
device-managed

CVSS3

7.8

Attack Vector

LOCAL

Attack Complexity

LOW

Privileges Required

LOW

User Interaction

NONE

Scope

UNCHANGED

Confidentiality Impact

HIGH

Integrity Impact

HIGH

Availability Impact

HIGH

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

AI Score

7.3

Confidence

High

EPSS

0

Percentile

9.0%

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

r8169: fix LED-related deadlock on module removal

Binding devm_led_classdev_register() to the netdev is problematic
because on module removal we get a RTNL-related deadlock. Fix this
by avoiding the device-managed LED functions.

Note: We can safely call led_classdev_unregister() for a LED even
if registering it failed, because led_classdev_unregister() detects
this and is a no-op in this case.

Affected configurations

Nvd
Node
linuxlinux_kernelRange6.86.8.8
OR
linuxlinux_kernelMatch6.9rc1
OR
linuxlinux_kernelMatch6.9rc2
OR
linuxlinux_kernelMatch6.9rc3
Node
fedoraprojectfedoraMatch38
OR
fedoraprojectfedoraMatch39
OR
fedoraprojectfedoraMatch40
VendorProductVersionCPE
linuxlinux_kernel*cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*
linuxlinux_kernel6.9cpe:2.3:o:linux:linux_kernel:6.9:rc1:*:*:*:*:*:*
linuxlinux_kernel6.9cpe:2.3:o:linux:linux_kernel:6.9:rc2:*:*:*:*:*:*
linuxlinux_kernel6.9cpe:2.3:o:linux:linux_kernel:6.9:rc3:*:*:*:*:*:*
fedoraprojectfedora38cpe:2.3:o:fedoraproject:fedora:38:*:*:*:*:*:*:*
fedoraprojectfedora39cpe:2.3:o:fedoraproject:fedora:39:*:*:*:*:*:*:*
fedoraprojectfedora40cpe:2.3:o:fedoraproject:fedora:40:*:*:*:*:*:*:*

CVSS3

7.8

Attack Vector

LOCAL

Attack Complexity

LOW

Privileges Required

LOW

User Interaction

NONE

Scope

UNCHANGED

Confidentiality Impact

HIGH

Integrity Impact

HIGH

Availability Impact

HIGH

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

AI Score

7.3

Confidence

High

EPSS

0

Percentile

9.0%