# staging: rtl8723bs: fix OOB read / stack overflow in rtw_get_wps_attr()

CVE record · `CVE-2026-90018`

- **Identifiers:** `CVE-2026-90018`
- **State:** Confirmed
- **Severity:** CVSS 8.8 High
- **Critical:** No
- **CNA:** Linux
- **Technologies:** [Linux kernel](https://agentprime.io/advisories/technology/linux-kernel.md)
- **Published:** 16 Sept 2026
- **Updated:** 19 Oct 2026
- **Reviewed by a person:** No

Published by the CVE Program (CNA: Linux) at 16 Sept 2026, 10:33 UTC. agentprime has not analysed this yet, so whether it affects any app is not known. This CVE names a vendor and product rather than a package, so the lockfile check doesn’t match it.

## Affected products, as the CNA wrote them

- Vendor: Linux. Product: Linux.
  - affected: `554c0a3abf216c991c5ebddcdb2c08689ecd290b to before 931640dfcb8cfa08f6cfb46229716d8072356420` (git)
  - affected: `554c0a3abf216c991c5ebddcdb2c08689ecd290b to before 3a6457ebf39080b87c712657fdb38f34a24fc3ff` (git)
  - affected: `554c0a3abf216c991c5ebddcdb2c08689ecd290b to before fd5e24ea8373347d0352f153a66e8647337d1b10` (git)
  - affected: `554c0a3abf216c991c5ebddcdb2c08689ecd290b to before a53d1ac9ce63db07943b2b2248111003851fb00f` (git)
  - affected: `554c0a3abf216c991c5ebddcdb2c08689ecd290b to before ff61aa3289355dafa811550a1764691cd1f5d33b` (git)
  - affected: `554c0a3abf216c991c5ebddcdb2c08689ecd290b to before 34f51d196c43a42046d229de5e79025d5ca553ca` (git)
  - affected: `554c0a3abf216c991c5ebddcdb2c08689ecd290b to before 99aa998dec83ba180822f70e6d48a514fc81c20d` (git)
  - Other versions: unaffected
- Vendor: Linux. Product: Linux.
  - affected: `4.12`
  - unaffected: `before 4.12` (semver)
  - unaffected: `5.15.221 to 5.15.*, inclusive` (semver)
  - unaffected: `6.1.188 to 6.1.*, inclusive` (semver)
  - unaffected: `6.6.157 to 6.6.*, inclusive` (semver)
  - unaffected: `6.12.110 to 6.12.*, inclusive` (semver)
  - unaffected: `6.18.51 to 6.18.*, inclusive` (semver)
  - unaffected: `7.2.5 to 7.2.*, inclusive` (semver)
  - unaffected: `7.3 to *, inclusive` (original_commit_for_fix)
  - Other versions: affected

## Not analysed yet

We haven’t published our own analysis of this CVE. If a person reviews it, this page will say what’s affected and what has to be true for it to matter.

## Severity and exploitation

- 8.8 High, CVSS 3.1: `CVSS:3.1/AV:A/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H`, from CNA (Linux)

- **CISA KEV:** Not listed.
- **EPSS:** 0.0045, the 39th percentile, on 13 Nov 2026: FIRST’s estimate of the chance of exploitation in the next 30 days.

## Timeline

This record came from the full history of the CVE Program, published 16 Sept 2026. New records show when each source confirmed them.

## Sources

- [CVE List: CVE-2026-90018](https://www.cve.org/CVERecord?id=CVE-2026-90018)
- [NVD: CVE-2026-90018](https://nvd.nist.gov/vuln/detail/CVE-2026-90018)

### References from the CNA

- <https://git.kernel.org/stable/c/931640dfcb8cfa08f6cfb46229716d8072356420>
- <https://git.kernel.org/stable/c/3a6457ebf39080b87c712657fdb38f34a24fc3ff>
- <https://git.kernel.org/stable/c/fd5e24ea8373347d0352f153a66e8647337d1b10>
- <https://git.kernel.org/stable/c/a53d1ac9ce63db07943b2b2248111003851fb00f>
- <https://git.kernel.org/stable/c/ff61aa3289355dafa811550a1764691cd1f5d33b>
- <https://git.kernel.org/stable/c/34f51d196c43a42046d229de5e79025d5ca553ca>
- <https://git.kernel.org/stable/c/99aa998dec83ba180822f70e6d48a514fc81c20d>

Facts on this page come from the CVE List as the CNA published them, with CVSS from the sources named above, CISA KEV and FIRST EPSS. Vendors, products and versions are shown as the CNA wrote them. We don’t reproduce the CVE’s description.

## Check whether this affects you

This CVE names a vendor and product rather than a package, so the lockfile check doesn’t match it. Compare the affected versions above with what you run.

- With the agentprime MCP server (<https://api.agentprime.io/mcp>), `get_advisory` returns this record and `search_advisories` finds related ones. Setup: <https://agentprime.io/mcp.md>
- As JSON: <https://api.agentprime.io/v1/advisories/CVE-2026-90018>
- Everything that needs attention now: <https://agentprime.io/advisories/critical.md>

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The web page: <https://agentprime.io/advisories/CVE-2026-90018/>. Everything for agents: <https://agentprime.io/llms.txt>.