# IB/isert: wait for deferred control PDU completions before releasing the connection

CVE record · `CVE-2026-98357`

- **Identifiers:** `CVE-2026-98357`
- **State:** Confirmed
- **Severity:** CVSS 8.1 High
- **Critical:** No
- **CNA:** Linux
- **Technologies:** [Linux kernel](https://agentprime.io/advisories/technology/linux-kernel.md)
- **Published:** 6 Oct 2026
- **Updated:** 19 Oct 2026
- **Reviewed by a person:** No

Published by the CVE Program (CNA: Linux) at 6 Oct 2026, 08:46 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 f5613acbe2e346d5c466ef0bd264fca936b69f82` (git)
  - affected: `b8d26b3be8b33682cf163274ed07479a70554633 to before ccdb1523f12bc8a9646de65055d1aafed9e9bcc6` (git)
  - affected: `b8d26b3be8b33682cf163274ed07479a70554633 to before 0e230917670c6e6fe3243abfa11299fcbe05b1f4` (git)
  - affected: `b8d26b3be8b33682cf163274ed07479a70554633 to before 505b242d9351690d1385bbe508ab4666f60363ce` (git)
  - affected: `b8d26b3be8b33682cf163274ed07479a70554633 to before 7edb8a88d6c76237c8b4435765bee1009e26a50a` (git)
  - affected: `b8d26b3be8b33682cf163274ed07479a70554633 to before b96b8b3e41c308f606ffd10cfef1a7b9f97414cd` (git)
  - affected: `b8d26b3be8b33682cf163274ed07479a70554633 to before 7908fbc597a694bbd99bfb59ece73bc3daded68e` (git)
  - affected: `b8d26b3be8b33682cf163274ed07479a70554633 to before a8fe3dfce8c0d8a76dc3d8486a5bff5feebe156f` (git)
  - Other versions: unaffected
- Vendor: Linux. Product: Linux.
  - affected: `3.10`
  - unaffected: `before 3.10` (semver)
  - unaffected: `5.10.271 to 5.10.*, inclusive` (semver)
  - unaffected: `5.15.222 to 5.15.*, inclusive` (semver)
  - unaffected: `6.1.189 to 6.1.*, inclusive` (semver)
  - unaffected: `6.6.158 to 6.6.*, inclusive` (semver)
  - unaffected: `6.12.112 to 6.12.*, inclusive` (semver)
  - unaffected: `6.18.54 to 6.18.*, inclusive` (semver)
  - unaffected: `7.2.8 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

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

- **CISA KEV:** Not listed.
- **EPSS:** 0.0035, the 29th percentile, on 9 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 6 Oct 2026. New records show when each source confirmed them.

## Sources

- [CVE List: CVE-2026-98357](https://www.cve.org/CVERecord?id=CVE-2026-98357)
- [NVD: CVE-2026-98357](https://nvd.nist.gov/vuln/detail/CVE-2026-98357)

### References from the CNA

- <https://git.kernel.org/stable/c/f5613acbe2e346d5c466ef0bd264fca936b69f82>
- <https://git.kernel.org/stable/c/ccdb1523f12bc8a9646de65055d1aafed9e9bcc6>
- <https://git.kernel.org/stable/c/0e230917670c6e6fe3243abfa11299fcbe05b1f4>
- <https://git.kernel.org/stable/c/505b242d9351690d1385bbe508ab4666f60363ce>
- <https://git.kernel.org/stable/c/7edb8a88d6c76237c8b4435765bee1009e26a50a>
- <https://git.kernel.org/stable/c/b96b8b3e41c308f606ffd10cfef1a7b9f97414cd>
- <https://git.kernel.org/stable/c/7908fbc597a694bbd99bfb59ece73bc3daded68e>
- <https://git.kernel.org/stable/c/a8fe3dfce8c0d8a76dc3d8486a5bff5feebe156f>

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-2026-98357>
- Everything that needs attention now: <https://agentprime.io/advisories/critical.md>

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The web page: <https://agentprime.io/advisories/CVE-2026-98357/>. Everything for agents: <https://agentprime.io/llms.txt>.