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CVE-2023-53153

nvd nist
Published: Sep 15, 2025Modified: Nov 5, 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: wifi: cfg80211: Fix use after free for wext Key information in wext.connect is not reset on (re)connect and can hold data from a previous connection. Reset key data to avoid that drivers or mac80211 incorrectly detect a WEP connection request and access the freed or already reused memory. Additionally optimize cfg80211_sme_connect() and avoid an useless schedule of conn_work.

Affected (7)

Products: Linux: Linux Kernel
Linux
1 product
Linux Kernel
Configuration A
7 vulnerable
Vulnerable SoftwareAffected Versions
Linux
Linux Kernel
2.6.32 ≤ version < 4.14.308
Linux Kernel
4.15 ≤ version < 4.19.276
Linux Kernel
4.20 ≤ version < 5.4.235
Linux Kernel
5.11 ≤ version < 5.15.99
Linux Kernel
5.16 ≤ version < 6.1.16
Linux Kernel
5.5 ≤ version < 5.10.173
Linux Kernel
6.2 ≤ version < 6.2.3

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 Any operations using the original pointer are no longer valid because the memory "belongs" to the code that operates on the new pointer.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 (8)

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

Timeline

No history available yet.