CVE-2023-53226

wifi: mwifiex: Fix OOB and integer underflow when rx packets

MEDIUM
5.5
CVSS Score
Published: September 15, 2025 at 02:21 PM UTC
Updated: August 5, 2026 at 10:24 AM UTC
1 product affected across 1 vendorLinux Kernel

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Severity
MEDIUM5.5
Exploit prediction
EPSS 0.2%
SSVC
No known exploit

Description

In the Linux kernel, the following vulnerability has been resolved: wifi: mwifiex: Fix OOB and integer underflow when rx packets Make sure mwifiex_process_mgmt_packet, mwifiex_process_sta_rx_packet and mwifiex_process_uap_rx_packet, mwifiex_uap_queue_bridged_pkt and mwifiex_process_rx_packet not out-of-bounds access the skb->data buffer.

Affected

Our own answer: ranges merged, affected separated from platform-only, with confidence and review flags.

3.7 ≤ v < 4.14.3263.7 ≤ v < 4.19.2953.7 ≤ v < 5.10.1953.7 ≤ v < 5.15.1323.7 ≤ v < 5.4.2573.7 ≤ v < 6.1.533.7 ≤ v < 6.4.163.7 ≤ v < 6.5.33.7 ≤ v < 6.64.15 ≤ v < 4.19.2954.20 ≤ v < 5.4.2575.11 ≤ v < 5.15.1325.16 ≤ v < 6.1.535.5 ≤ v < 5.10.1956.2 ≤ v < 6.4.166.5 ≤ v < 6.5.32dbaf751b1dec3a603130a475f94cc4d3f4043623.7
Vendor states this is fixed in 11958528161731c58e105b501ed60b83a91ea941 (fixed)
Vendor states this is fixed in 29eca8b7863d1d7de6c5b746b374e3487d14f154 (fixed)
Vendor states this is fixed in 3975e21d4d01efaf0296ded40d11c06589c49245 (fixed)
Vendor states this is fixed in 3fe3923d092e22d87d1ed03e2729db444b8c1331 (fixed)
Vendor states this is fixed in 650d1bc02fba7b42f476d8b6643324abac5921ed (fixed)
Vendor states this is fixed in 7c54b6fc39eb1aac51cf2945f8a25e2a47fdca02 (fixed)
Vendor states this is fixed in 8824aa4ab62c800f75d96f48e1883a5f56ec5869 (fixed)
Vendor states this is fixed in a7300e3800e9fd5405e88ce67709c1a97783b9c8 (fixed)
Vendor states this is fixed in f517c97fc129995de77dd06aa5a74f909ebf568f (fixed)
Vendor states this is fixed in 3.7 (unaffected)
Vendor states this is fixed in 4.14.326 (unaffected)
Vendor states this is fixed in 4.19.295 (unaffected)
Vendor states this is fixed in 5.10.195 (unaffected)
Vendor states this is fixed in 5.15.132 (unaffected)
Vendor states this is fixed in 5.4.257 (unaffected)
Vendor states this is fixed in 6.1.53 (unaffected)
Vendor states this is fixed in 6.4.16 (unaffected)
Vendor states this is fixed in 6.5.3 (unaffected)
Vendor states this is fixed in 6.6 (unaffected)

References (9)

Patch
Source: 416baaa9-dc9f-4396-8d5f-8c081fb06d67
https://git.kernel.org/stable/c/11958528161731c58e105b501ed60b83a91ea941
Patch
Source: 416baaa9-dc9f-4396-8d5f-8c081fb06d67
https://git.kernel.org/stable/c/29eca8b7863d1d7de6c5b746b374e3487d14f154
Patch
Source: 416baaa9-dc9f-4396-8d5f-8c081fb06d67
https://git.kernel.org/stable/c/3975e21d4d01efaf0296ded40d11c06589c49245
Patch
Source: 416baaa9-dc9f-4396-8d5f-8c081fb06d67
https://git.kernel.org/stable/c/3fe3923d092e22d87d1ed03e2729db444b8c1331
Patch
Source: 416baaa9-dc9f-4396-8d5f-8c081fb06d67
https://git.kernel.org/stable/c/650d1bc02fba7b42f476d8b6643324abac5921ed
Patch
Source: 416baaa9-dc9f-4396-8d5f-8c081fb06d67
https://git.kernel.org/stable/c/7c54b6fc39eb1aac51cf2945f8a25e2a47fdca02
Patch
Source: 416baaa9-dc9f-4396-8d5f-8c081fb06d67
https://git.kernel.org/stable/c/8824aa4ab62c800f75d96f48e1883a5f56ec5869
Patch
Source: 416baaa9-dc9f-4396-8d5f-8c081fb06d67
https://git.kernel.org/stable/c/a7300e3800e9fd5405e88ce67709c1a97783b9c8

SSVC — Action Prioritization

SSVCNo known exploitNot automatablePartial impact

SSVC signals action urgency (what to patch first), separate from CVSS which measures severity.

CVSS

5.5MEDIUMCISA-ADP
Attack Vector
LOCAL
Complexity
LOW
Privileges
LOW
User Interaction
NONE
Scope
UNCHANGED
Confidentiality
NONE
Integrity
NONE
Availability
HIGH
Vector?

Quick Info

StatusMODIFIED
CWE
CWE-191

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