CVE-2026-23152
Buffer Overflow in Linux mac80211 TTLM Parsing Vulnerability
Publication date: 2026-02-14
Last updated on: 2026-03-17
Assigner: kernel.org
Description
Description
CVSS Scores
EPSS Scores
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Meta Information
Affected Vendors & Products
| Vendor | Product | Version / Range |
|---|---|---|
| linux | linux_kernel | 6.19 |
| linux | linux_kernel | 6.19 |
| linux | linux_kernel | 6.19 |
| linux | linux_kernel | 6.19 |
| linux | linux_kernel | 6.19 |
| linux | linux_kernel | 6.19 |
| linux | linux_kernel | 6.19 |
| linux | linux_kernel | From 6.7 (inc) to 6.18.9 (exc) |
Helpful Resources
Exploitability
| CWE ID | Description |
|---|---|
| CWE-UNKNOWN |
Attack-Flow Graph
AI Powered Q&A
Can you explain this vulnerability to me?
This vulnerability exists in the Linux kernel's mac80211 wireless subsystem. It involves the incorrect decoding of TID-To-Link Mapping (TTLM) elements when a default link mapping is used. Specifically, TTLM elements do not include an indicator for the presence of a link mapping if the default mapping is applied, and parsing should be skipped in this case. However, mac80211 incorrectly parses such frames and reads one byte beyond the end of the TTLM element.
How can this vulnerability impact me? :
The vulnerability could lead to improper parsing of wireless frames in the Linux kernel, potentially causing unexpected behavior or memory access beyond intended boundaries. This could result in system instability, crashes, or potentially be exploited to execute arbitrary code or cause denial of service, depending on the context and attacker capabilities.
How does this vulnerability affect compliance with common standards and regulations (like GDPR, HIPAA)?:
I don't know
How can this vulnerability be detected on my network or system? Can you suggest some commands?
I don't know
What immediate steps should I take to mitigate this vulnerability?
I don't know