# tipc: hold a reference to nodes found by link name

CVE record · `CVE-2026-99053`

- **Identifiers:** `CVE-2026-99053`
- **State:** Confirmed
- **Severity:** CVSS 7.8 High
- **Critical:** No
- **CNA:** Linux
- **Technologies:** [Linux kernel](https://agentprime.io/advisories/technology/linux-kernel.md)
- **Published:** 23 Oct 2026
- **Updated:** 30 Oct 2026
- **Reviewed by a person:** No

Published by the CVE Program (CNA: Linux) at 23 Oct 2026, 12:22 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: `6a939f365bdb03a74b4617bdb4402fc08da088b9 to before 384edc67201f8561b7de952647b923f0524b1f36` (git)
  - affected: `6a939f365bdb03a74b4617bdb4402fc08da088b9 to before 5b7e58e8be90f4e8530e7a60372d003dfa7fd666` (git)
  - affected: `6a939f365bdb03a74b4617bdb4402fc08da088b9 to before 92f3b3368722631e933a4db0cf8bd578ed08cd9c` (git)
  - affected: `6a939f365bdb03a74b4617bdb4402fc08da088b9 to before b60259d4047fbb735476c729dcf9306a038b6110` (git)
  - affected: `6a939f365bdb03a74b4617bdb4402fc08da088b9 to before f17e70206a1e763fcca2578a8db3c4eed0f843a9` (git)
  - affected: `6a939f365bdb03a74b4617bdb4402fc08da088b9 to before 1428c5f1d346a2e1ac9156713975a72246957009` (git)
  - affected: `6a939f365bdb03a74b4617bdb4402fc08da088b9 to before 3c3b308ee6e25729a6cf09b69cdd0e093220d40b` (git)
  - affected: `6a939f365bdb03a74b4617bdb4402fc08da088b9 to before 17e73bae400f6a434dc006e3bee92c94cf781954` (git)
  - Other versions: unaffected
- Vendor: Linux. Product: Linux.
  - affected: `4.19`
  - unaffected: `before 4.19` (semver)
  - unaffected: `5.10.273 to 5.10.*, inclusive` (semver)
  - unaffected: `5.15.224 to 5.15.*, inclusive` (semver)
  - unaffected: `6.1.191 to 6.1.*, inclusive` (semver)
  - unaffected: `6.6.160 to 6.6.*, inclusive` (semver)
  - unaffected: `6.12.113 to 6.12.*, inclusive` (semver)
  - unaffected: `6.18.57 to 6.18.*, inclusive` (semver)
  - unaffected: `7.2.11 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

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

- **CISA KEV:** Not listed.
- **EPSS:** 0.0017, the 6th percentile, on 7 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 23 Oct 2026. New records show when each source confirmed them.

## Sources

- [CVE List: CVE-2026-99053](https://www.cve.org/CVERecord?id=CVE-2026-99053)
- [NVD: CVE-2026-99053](https://nvd.nist.gov/vuln/detail/CVE-2026-99053)

### References from the CNA

- <https://git.kernel.org/stable/c/384edc67201f8561b7de952647b923f0524b1f36>
- <https://git.kernel.org/stable/c/5b7e58e8be90f4e8530e7a60372d003dfa7fd666>
- <https://git.kernel.org/stable/c/92f3b3368722631e933a4db0cf8bd578ed08cd9c>
- <https://git.kernel.org/stable/c/b60259d4047fbb735476c729dcf9306a038b6110>
- <https://git.kernel.org/stable/c/f17e70206a1e763fcca2578a8db3c4eed0f843a9>
- <https://git.kernel.org/stable/c/1428c5f1d346a2e1ac9156713975a72246957009>
- <https://git.kernel.org/stable/c/3c3b308ee6e25729a6cf09b69cdd0e093220d40b>
- <https://git.kernel.org/stable/c/17e73bae400f6a434dc006e3bee92c94cf781954>

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-2026-99053>
- Everything that needs attention now: <https://agentprime.io/advisories/critical.md>

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The web page: <https://agentprime.io/advisories/CVE-2026-99053/>. Everything for agents: <https://agentprime.io/llms.txt>.