# IB/isert: delay the final Login Response until the session is registered

CVE record · `CVE-2026-90294`

- **Identifiers:** `CVE-2026-90294`
- **State:** Confirmed
- **Severity:** CVSS 7.5 High
- **Critical:** No
- **CNA:** Linux
- **Technologies:** [Linux kernel](https://agentprime.io/advisories/technology/linux-kernel.md)
- **Published:** 17 Sept 2026
- **Updated:** 19 Oct 2026
- **Reviewed by a person:** No

Published by the CVE Program (CNA: Linux) at 17 Sept 2026, 16:08 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: `b8d26b3be8b33682cf163274ed07479a70554633 to before e148dbac43308d9e4313070bfc5b355d03134809` (git)
  - affected: `b8d26b3be8b33682cf163274ed07479a70554633 to before a18fb8d540b3e631cb7e50e55f3c462c05b3a114` (git)
  - affected: `b8d26b3be8b33682cf163274ed07479a70554633 to before 0d2efc355982064855f24f73f9fbb6c65ca4a5c7` (git)
  - affected: `b8d26b3be8b33682cf163274ed07479a70554633 to before f84e9adf4d9f4c0c79ef4a7d9e0c5c08b1337033` (git)
  - affected: `b8d26b3be8b33682cf163274ed07479a70554633 to before 11694889c4bab47047a60690ceb70d7551ed5b2e` (git)
  - affected: `b8d26b3be8b33682cf163274ed07479a70554633 to before a6c19af05c170f267eca1d01c3c72c84ba7860ae` (git)
  - affected: `b8d26b3be8b33682cf163274ed07479a70554633 to before 4397ea31e3b0d017c2b9b876b326df0b3eb845bf` (git)
  - affected: `b8d26b3be8b33682cf163274ed07479a70554633 to before 464f5afa92d071a226f88424803b0fcf88093ede` (git)
  - Other versions: unaffected
- Vendor: Linux. Product: Linux.
  - affected: `3.10`
  - unaffected: `before 3.10` (semver)
  - unaffected: `5.10.270 to 5.10.*, inclusive` (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: `6.18.52 to 6.18.*, inclusive` (semver)
  - unaffected: `7.2.6 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

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

- **CISA KEV:** Not listed.
- **EPSS:** 0.0070, the 53rd 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 17 Sept 2026. New records show when each source confirmed them.

## Sources

- [CVE List: CVE-2026-90294](https://www.cve.org/CVERecord?id=CVE-2026-90294)
- [NVD: CVE-2026-90294](https://nvd.nist.gov/vuln/detail/CVE-2026-90294)

### References from the CNA

- <https://git.kernel.org/stable/c/e148dbac43308d9e4313070bfc5b355d03134809>
- <https://git.kernel.org/stable/c/a18fb8d540b3e631cb7e50e55f3c462c05b3a114>
- <https://git.kernel.org/stable/c/0d2efc355982064855f24f73f9fbb6c65ca4a5c7>
- <https://git.kernel.org/stable/c/f84e9adf4d9f4c0c79ef4a7d9e0c5c08b1337033>
- <https://git.kernel.org/stable/c/11694889c4bab47047a60690ceb70d7551ed5b2e>
- <https://git.kernel.org/stable/c/a6c19af05c170f267eca1d01c3c72c84ba7860ae>
- <https://git.kernel.org/stable/c/4397ea31e3b0d017c2b9b876b326df0b3eb845bf>
- <https://git.kernel.org/stable/c/464f5afa92d071a226f88424803b0fcf88093ede>

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-2026-90294>
- Everything that needs attention now: <https://agentprime.io/advisories/critical.md>

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The web page: <https://agentprime.io/advisories/CVE-2026-90294/>. Everything for agents: <https://agentprime.io/llms.txt>.