Back
CVE-2026-53178staging: rtl8723bs: rtw_mlme: add bounds checks before ie_length subtraction
- 8.1HighCVSS base score
- 0.40%Exploitation in 30 daysEPSS · top 65% of all CVEs
- NoKnown exploitednot in CISA's KEV catalog
- NonePublic exploitsnone known yet
Description
In the Linux kernel, the following vulnerability has been resolved: staging: rtl8723bs: rtw_mlme: add bounds checks before ie_length subtraction Add guards to ensure ie_length is large enough before subtracting fixed IE offsets to prevent unsigned integer underflow.
Timeline
ID reserved
By Linux
- 16 days later
· 16 days later
Published
- 4 months later
· 4 months later
Record updated
Changes after publication (a new score, a public exploit, EPSS crossing 1, 10 or 50 %, leaving KEV) are kept since November 2026; earlier ones are not known.
Scores
| Scored by | CVSS | Score | Vector |
|---|---|---|---|
| LinuxCNA (assigner) | 3.1 | High8.1 | CVSS:3.1/AV:A/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:H |
| NVDNVD · Modified | 3.1 | High8.1 | CVSS:3.1/AV:A/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:H |
- EPSS (exploitation in 30 days)
- 0.40% · top 65% of all CVEs (12 Nov 2026)
Loading the EPSS history…
The list uses the assigner's score when there is one, then CISA's, then NVD's: High 8.1.
Affected products
- affected d3fcee1b78a533c256077f1300dd236801397cf7 – < 18143799ad51a32b1351e4e1591b6285a0a9d7dd
- affected d3fcee1b78a533c256077f1300dd236801397cf7 – < 8863ac3a4fedf86b0ef5b8ecc37fbaa52f2a8160
- affected d3fcee1b78a533c256077f1300dd236801397cf7 – < 637e0ea73f690028796ee2fc72a2ac4ec32968c6
- affected d3fcee1b78a533c256077f1300dd236801397cf7 – < 542d65a6dbd9733baab96313c9fe76a76e93f484
- affected d3fcee1b78a533c256077f1300dd236801397cf7 – < 88e994c57a79f62d5338231d8d37ee8dd98baffe
- affected 1b786350924cc0fa30d4434470b32f24e8ddd107
- affected 5.10.273 – < 5.11
- affected 5.15
- unaffected < 5.15
- unaffected 6.6.160 – ≤ 6.6.*
- unaffected 6.12.114 – ≤ 6.12.*
- unaffected 6.18.52 – ≤ 6.18.*
- unaffected 7.0.13 – ≤ 7.0.*
- unaffected 7.1 – ≤ *
References
References5
- https://git.kernel.org/stable/c/18143799ad51a32b1351e4e1591b6285a0a9d7dd (opens in a new tab)
- https://git.kernel.org/stable/c/8863ac3a4fedf86b0ef5b8ecc37fbaa52f2a8160 (opens in a new tab)
- https://git.kernel.org/stable/c/637e0ea73f690028796ee2fc72a2ac4ec32968c6 (opens in a new tab)
- https://git.kernel.org/stable/c/542d65a6dbd9733baab96313c9fe76a76e93f484 (opens in a new tab)
- https://git.kernel.org/stable/c/88e994c57a79f62d5338231d8d37ee8dd98baffe (opens in a new tab)
Sources
The same CVE in the primary databases and aggregators, to check against.
- CVE.org record (opens in a new tab)
- CVE List JSON (GitHub) (opens in a new tab)
- NVD (opens in a new tab)
- FIRST EPSS (opens in a new tab)
- EUVD EUVD-2026-39269 (opens in a new tab)
- OSV.dev (opens in a new tab)
- GitHub Advisories (opens in a new tab)
- CIRCL Vulnerability-Lookup (opens in a new tab)
Badge for a README or a ticket
[](https://cveledger.app/cve/CVE-2026-53178)Record last updated .