8.8

CVE-2023-53226: wifi: mwifiex: Fix OOB and integer underflow when rx packets

Modified
AliasesUBUNTU-CVE-2023-53226DEBIAN-CVE-2023-53226
Published 15-09-2025Last modified 05-08-2026

Vulnerability summary

CVE-2023-53226 is a high (CVSS 8.8) Integer Underflow (Wrap or Wraparound) vulnerability in linux. EPSS estimates a 0.24% chance of exploitation in the next 30 days, higher than 15.5% of scored vulnerabilities.

Priority
Routine

Not severe (CVSS 8.8, adjacent network); no exploitation reported by the 5 checked sources

Source freshness unavailable

How is this decided?
CVSS score
8.8/10
010
High · v3.1 (CVE.org)
EPSS score
0.24%
0%100%
Low · +0.01 pp in 30 days
KEVNot listedNot listed by any tracked catalog.
RansomwareNot flaggedNo ransomware use recorded.
Public exploits0No public exploits recorded

Advisory lineage

Upstream 0 · Downstream 26 · Related 16
RHSA-2025:19440RHSA-2025:19447RHSA-2025:21051RHSA-2025:21091RHSA-2025:21128RHSA-2025:21136

Timeline

  1. 15-09-2025
    PublishedVulnerability first disclosed.
  2. 05-08-2026
    Last modifiedVulnerability information updated.

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.

CVSS metrics

5 scores · 4 sources · 2 versions

EPSS trend

Probability

0.24%

Chance of exploitation in the next 30 days

Percentile

16%

Versus all other CVEs

30-day change

Increase +0.01 pp

From 0.24% on 04-10-2026

04-10-202603-11-2026

Known exploited

Compare KEV catalogs
CISA KEV

Not in the CISA KEV catalog.

ENISA CNW

Not in the ENISA CNW catalog.

CIRCL

Not in the CIRCL catalog.

Public exploits

0 found

No public exploits indexed.

Weaknesses

CWE · root cause

Affected systems

Version check

Known conditions: adjacent network, no authentication, no user interaction (CVSS vector). Other conditions: not stated in public data.

Ubuntu123 products
  • linuxAll versions (No fix recorded) | < 5.4.0-169.187 | < 5.15.0-94.104
  • linux-allwinner-5.19All versions (No fix recorded)
  • linux-awsAll versions (No fix recorded) | < 5.4.0-1116.126 | < 5.15.0-1053.58
  • linux-aws-5.0All versions (No fix recorded)
  • linux-aws-5.11All versions (No fix recorded)
Linux2 products
  • linux≥ 2dbaf751b1dec3a603130a475f94cc4d3f404362, < f517c97fc129995de77dd06aa5a74f909ebf568f | ≥ 2dbaf751b1dec3a603130a475f94cc4d3f404362, < 8824aa4ab62c800f75d96f48e1883a5f56ec5869 | ≥ 2dbaf751b1dec3a603130a475f94cc4d3f404362, < 29eca8b7863d1d7de6c5b746b374e3487d14f154 | ≥ 2dbaf751b1dec3a603130a475f94cc4d3f404362, < 3fe3923d092e22d87d1ed03e2729db444b8c1331 | ≥ 2dbaf751b1dec3a603130a475f94cc4d3f404362, < 7c54b6fc39eb1aac51cf2945f8a25e2a47fdca02 | ≥ 2dbaf751b1dec3a603130a475f94cc4d3f404362, < 3975e21d4d01efaf0296ded40d11c06589c49245 | ≥ 2dbaf751b1dec3a603130a475f94cc4d3f404362, < a7300e3800e9fd5405e88ce67709c1a97783b9c8 | ≥ 2dbaf751b1dec3a603130a475f94cc4d3f404362, < 650d1bc02fba7b42f476d8b6643324abac5921ed | ≥ 2dbaf751b1dec3a603130a475f94cc4d3f404362, < 11958528161731c58e105b501ed60b83a91ea941 | 3.7
  • linux_kernel≥ 3.7, < 4.14.326 | ≥ 4.15, < 4.19.295 | ≥ 4.20, < 5.4.257 | ≥ 5.5, < 5.10.195 | ≥ 5.11, < 5.15.132 | ≥ 5.16, < 6.1.53 | ≥ 6.2, < 6.4.16 | ≥ 6.5, < 6.5.3
Debian1 product
  • linux< 6.1.55-1 | < 6.5.3-1

3 vendors · 126 products

References

13 links
Show all 13 references