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CVE-2025-37823

nvd nist
Published: May 8, 2025Modified: Jun 17, 2026

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7.8
Vector
CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
Exploitability: 1.8 / Impact: 5.9
Source: NVD

Description

In the Linux kernel, the following vulnerability has been resolved: net_sched: hfsc: Fix a potential UAF in hfsc_dequeue() too Similarly to the previous patch, we need to safe guard hfsc_dequeue() too. But for this one, we don't have a reliable reproducer.

Affected (16)

Linux
1 product
Linux Kernel
Debian
1 product
Debian Linux
Configuration A
15 vulnerable
Vulnerable SoftwareAffected Versions
Linux
Linux Kernel
From 2.6.13 to 5.4.293
Linux Kernel
From 5.11 to 5.15.181
Linux Kernel
From 5.16 to 6.1.136
Linux Kernel
From 5.5 to 5.10.237
Linux Kernel
From 6.13 to 6.14.5
Linux Kernel
From 6.2 to 6.6.89
Linux Kernel
From 6.7 to 6.12.26
Linux Kernel
Version 2.6.12
Linux Kernel
Version 2.6.12 rc2
Linux Kernel
Version 2.6.12 rc3
Linux Kernel
Version 2.6.12 rc4
Linux Kernel
Version 2.6.12 rc5
Linux Kernel
Version 6.15 rc1
Linux Kernel
Version 6.15 rc2
Linux Kernel
Version 6.15 rc3
Configuration B
1 vulnerable
Vulnerable SoftwareAffected Versions
Debian Linux
Version 11.0

Related CWEs

CWE-416
Use After Free
The product reuses or references memory after it has been freed. At some point afterward, the memory may be allocated again and saved in another pointer, while the original pointer references a location somewhere within the new allocation. Any operations using the original pointer are no longer valid because the memory "belongs" to the code that operates on the new pointer.

References (10)

Source: 416baaa9-dc9f-4396-8d5f-8c081fb06d67
Patch
Source: 416baaa9-dc9f-4396-8d5f-8c081fb06d67
Patch
Source: 416baaa9-dc9f-4396-8d5f-8c081fb06d67
Patch
Source: 416baaa9-dc9f-4396-8d5f-8c081fb06d67
Patch
Source: 416baaa9-dc9f-4396-8d5f-8c081fb06d67
Patch
Source: 416baaa9-dc9f-4396-8d5f-8c081fb06d67
Patch
Source: 416baaa9-dc9f-4396-8d5f-8c081fb06d67
Patch
Source: 416baaa9-dc9f-4396-8d5f-8c081fb06d67
Patch
Source: af854a3a-2127-422b-91ae-364da2661108
Mailing ListThird Party Advisory
Source: af854a3a-2127-422b-91ae-364da2661108
Mailing ListThird Party Advisory

Timeline

No history available yet.