7.1

CVE-2025-38159: wifi: rtw88: fix the 'para' buffer size to avoid reading out of bounds

Analyzed
AliasesUBUNTU-CVE-2025-38159DEBIAN-CVE-2025-38159
Published 03-07-2025Last modified 11-05-2026

Vulnerability summary

CVE-2025-38159 is a high (CVSS 7.1) Out-of-bounds Read vulnerability in debian debian_linux. EPSS estimates a 0.18% chance of exploitation in the next 30 days, higher than 7.8% of scored vulnerabilities.

Priority
Routine

Not severe (CVSS 7.1, local access); no exploitation reported by the 5 checked sources

Source freshness unavailable

How is this decided?
CVSS score
7.1/10
010
High · v3.1 (NVD)
EPSS score
0.18%
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 100 · Related 83
DLA-4328-1DSA-5973-1MGASA-2025-0218MGASA-2025-0219OPENSUSE-SU-2025:20081-1RHSA-2025:13589

Timeline

  1. 03-07-2025
    PublishedVulnerability first disclosed.
  2. 11-05-2026
    Last modifiedVulnerability information updated.

Description

In the Linux kernel, the following vulnerability has been resolved: wifi: rtw88: fix the 'para' buffer size to avoid reading out of bounds Set the size to 6 instead of 2, since 'para' array is passed to 'rtw_fw_bt_wifi_control(rtwdev, para[0], &para[1])', which reads 5 bytes: void rtw_fw_bt_wifi_control(struct rtw_dev *rtwdev, u8 op_code, u8 *data) { ... SET_BT_WIFI_CONTROL_DATA1(h2c_pkt, *data); SET_BT_WIFI_CONTROL_DATA2(h2c_pkt, *(data + 1)); ... SET_BT_WIFI_CONTROL_DATA5(h2c_pkt, *(data + 4)); Detected using the static analysis tool - Svace.

CVSS metrics

3 scores · 3 sources · 1 version

EPSS trend

Probability

0.18%

Chance of exploitation in the next 30 days

Percentile

8%

Versus all other CVEs

30-day change

Increase +0.01 pp

From 0.17% 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: local access, low-privilege account, no user interaction (CVSS vector). Other conditions: not stated in public data.

Ubuntu141 products
  • linuxAll versions (No fix recorded) | < 5.15.0-156.166 | < 6.8.0-100.100
  • linux-allwinner-5.19All versions (No fix recorded)
  • linux-awsAll versions (No fix recorded) | < 5.15.0-1092.99 | < 6.8.0-1046.49
  • linux-aws-5.0All versions (No fix recorded)
  • linux-aws-5.11All versions (No fix recorded)
Debian2 products
Linux2 products
  • linux≥ 4136214f7c46839c15f0f177fe1d5052302c0205, < 1ee8ea6937d13b20f90ff35d71ccc03ba448182d | ≥ 4136214f7c46839c15f0f177fe1d5052302c0205, < 68a1037f0bac4de9a585aa9c879ef886109f3647 | ≥ 4136214f7c46839c15f0f177fe1d5052302c0205, < 74e18211c2c89ab66c9546baa7408288db61aa0d | ≥ 4136214f7c46839c15f0f177fe1d5052302c0205, < c13255389499275bc5489a0b5b7940ccea3aef04 | ≥ 4136214f7c46839c15f0f177fe1d5052302c0205, < 9febcc8bded8be0d7efd8237fcef599b6d93b788 | ≥ 4136214f7c46839c15f0f177fe1d5052302c0205, < 4c2c372de2e108319236203cce6de44d70ae15cd | 5.4
  • linux_kernel≥ 5.4, < 5.15.186 | ≥ 5.16, < 6.1.142 | ≥ 6.2, < 6.6.94 | ≥ 6.7, < 6.12.34 | ≥ 6.13, < 6.15.3

3 vendors · 145 products

References

44 links
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