# binder: fix leaked fd fixups on TF_UPDATE_TXN supersede

CVE record · `CVE-2026-98777`

- **Identifiers:** `CVE-2026-98777`
- **State:** Confirmed
- **Severity:** No CVSS score
- **Critical:** No
- **CNA:** Linux
- **Technologies:** [Linux kernel](https://agentprime.io/advisories/technology/linux-kernel.md)
- **Published:** 18 Oct 2026
- **Updated:** 30 Oct 2026
- **Reviewed by a person:** No

Published by the CVE Program (CNA: Linux) at 18 Oct 2026, 15:48 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: `9864bb4801331daa48514face9d0f4861e4d485b to before ab3f0ea529d4e36dde52c8efc76082c501abf9b6` (git)
  - affected: `9864bb4801331daa48514face9d0f4861e4d485b to before a7329ea53d04f0c6135d02905810cd6f42acdf45` (git)
  - affected: `9864bb4801331daa48514face9d0f4861e4d485b to before 7fd609fb0e9dcbc4d7a1e4da1af5368c0555ff55` (git)
  - affected: `9864bb4801331daa48514face9d0f4861e4d485b to before 1299cb3fb061598496086fc87ff291057831148e` (git)
  - affected: `9864bb4801331daa48514face9d0f4861e4d485b to before 6673f4f21e2fddfed0abe1eb9045cc958e6db130` (git)
  - affected: `9864bb4801331daa48514face9d0f4861e4d485b to before c4c02084d6687d5cd5edccaf52cc45e5160f1184` (git)
  - Other versions: unaffected
- Vendor: Linux. Product: Linux.
  - affected: `6.0`
  - unaffected: `before 6.0` (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: `6.18.56 to 6.18.*, inclusive` (semver)
  - unaffected: `7.2.10 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

No source has published a CVSS score for this record yet.

- **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 18 Oct 2026. New records show when each source confirmed them.

## Sources

- [CVE List: CVE-2026-98777](https://www.cve.org/CVERecord?id=CVE-2026-98777)
- [NVD: CVE-2026-98777](https://nvd.nist.gov/vuln/detail/CVE-2026-98777)

### References from the CNA

- <https://git.kernel.org/stable/c/ab3f0ea529d4e36dde52c8efc76082c501abf9b6>
- <https://git.kernel.org/stable/c/a7329ea53d04f0c6135d02905810cd6f42acdf45>
- <https://git.kernel.org/stable/c/7fd609fb0e9dcbc4d7a1e4da1af5368c0555ff55>
- <https://git.kernel.org/stable/c/1299cb3fb061598496086fc87ff291057831148e>
- <https://git.kernel.org/stable/c/6673f4f21e2fddfed0abe1eb9045cc958e6db130>
- <https://git.kernel.org/stable/c/c4c02084d6687d5cd5edccaf52cc45e5160f1184>

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-2026-98777>
- Everything that needs attention now: <https://agentprime.io/advisories/critical.md>

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The web page: <https://agentprime.io/advisories/CVE-2026-98777/>. Everything for agents: <https://agentprime.io/llms.txt>.