What is CVE-2025-71100?

CVE-2025-71100 is a High severity Linux kernel vulnerability with a CVSS score of 7.8 out of 10, affecting Linux kernel versions from 6.9 onward and patched in 6.12.64, 6.18.4 and 6.19. CVE-2025-71100 has not been confirmed as actively exploited and is not listed in the CISA KEV catalog.

What is the CVSS score for CVE-2025-71100?

CVE-2025-71100 has a CVSS score of 7.8 out of 10, rated High severity. The vector string is CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H.

Is there a patch available for CVE-2025-71100?

Yes, CVE-2025-71100 has been patched. Fixed versions include 6.12.64, 6.18.4 and 6.19. If you are running Linux kernel 6.9 or later up to the fix versions, apply the relevant patch for your kernel branch.

Is CVE-2025-71100 actively exploited?

CVE-2025-71100 has not been confirmed as actively exploited and is not listed in the CISA KEV catalog.

CVE-2025-71100

High

In the Linux kernel, the following vulnerability has been resolved: wifi: rtlwifi: 8192cu: fix tid out of range in rtl92cu_tx_fill_desc() TID getting from ieee80211_get_tid() might be out of range of array size of sta_entry->tids[], so check TID is less than MAX_TID_COUNT. Othwerwise, UBSAN warn: UBSAN: array-index-out-of-bounds in drivers/net/wireless/realtek/rtlwifi/rtl8192cu/trx.c:514:30 index 10 is out of range for type 'rtl_tid_data [9]'

Package Linux Kernel

Published 2026-01-13

Last modified 2026-03-25

CVSS version 3.1

Patch available

Yes

CVSS 3.1 score

7.8

out of 10

High

Attack Vector

Local

Attack Complexity

Low

Privileges Required

Low

User Interaction

None

Scope

Unchanged

Confidentiality

High

Integrity

High

Availability

High

Vector string

CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H

Weakness type

CWE-129

CVE-2025-71100 is classified as CWE-129

See CWE-129 on MITRE CWE for full details on this weakness type.

Affected versions

Linux kernel versions 6.9 and later are affected. Fixed in 6.12.64, 6.18.4, 6.19 and their respective stable series.

Affected from

≥ 6.9

Fixed in

✓ 6.12.64 6.12.x ✓ 6.18.4 6.18.x ✓ 6.19

References

The following references provide additional information about CVE-2025-71100 including vendor advisories, patch commits, exploit details, and third-party analysis. Links are sourced from the NIST NVD database.

Kernel patch commit
https://git.kernel.org/stable/c/90a15ff324645aa806d81fa349497cd964861b66
Patch
Kernel patch commit
https://git.kernel.org/stable/c/9765d6eb8298b07d499cdf9ef7c237d3540102d6
Patch
Kernel patch commit
https://git.kernel.org/stable/c/dd39edb445f07400e748da967a07d5dca5c5f96e
Patch

Details

CVE ID CVE-2025-71100

Severity High

CVSS score 7.8 / 10

CVSS version 3.1

Published 2026-01-13

Modified 2026-03-25

KEV No

Patch

Yes

Package linux

Frequently asked questions

What is CVE-2025-71100?

CVE-2025-71100 is a High severity Linux kernel vulnerability with a CVSS score of 7.8 out of 10 . It affects Linux kernel versions from 6.9 onward and has been patched in 6.12.64, 6.18.4 and 6.19. CVE-2025-71100 has not been confirmed as actively exploited and is not listed in the CISA KEV catalog.
What is the CVSS score for CVE-2025-71100?

CVE-2025-71100 has a CVSS score of 7.8 out of 10, rated High severity (CVSS 3.1). The vector string is CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H.
Is there a patch available for CVE-2025-71100?

Yes — CVE-2025-71100 has been patched. Fixed versions include 6.12.64, 6.18.4 and 6.19. If you are running Linux kernel 6.9 or later up to the fix versions, apply the relevant patch for your kernel branch.
Is CVE-2025-71100 actively exploited?

No — CVE-2025-71100 has not been confirmed as actively exploited. It is not listed in the CISA Known Exploited Vulnerabilities (KEV) catalog.