# drop_monitor: fix out-of-bounds write in reset_per_cpu_data()

CVE record · `CVE-2026-98419`

- **Identifiers:** `CVE-2026-98419`
- **State:** Confirmed
- **Severity:** CVSS 7.0 High
- **Critical:** No
- **CNA:** Linux
- **Technologies:** [Linux kernel](https://agentprime.io/advisories/technology/linux-kernel.md)
- **Published:** 14 Oct 2026
- **Updated:** 24 Oct 2026
- **Reviewed by a person:** No

Published by the CVE Program (CNA: Linux) at 14 Oct 2026, 13:27 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: `683703a26e4677db437a1480682851e27c7a154f to before caf09c09e0f323015ab6777ed1bad5aa10688631` (git)
  - affected: `683703a26e4677db437a1480682851e27c7a154f to before 56b12f0cd476e4d90a0e2663a80102b388ebf78c` (git)
  - affected: `683703a26e4677db437a1480682851e27c7a154f to before 88d640efd655b10f9fa4e381caf777da1f17c2a6` (git)
  - affected: `683703a26e4677db437a1480682851e27c7a154f to before d54a044136b129822715e8798899af540ec7a9e9` (git)
  - affected: `683703a26e4677db437a1480682851e27c7a154f to before 8a04047c6dbff2f49a561b1ff53b043f4807e855` (git)
  - affected: `683703a26e4677db437a1480682851e27c7a154f to before 530ae0a1458078c7a81fbffd9ff17d42129364d9` (git)
  - affected: `683703a26e4677db437a1480682851e27c7a154f to before 03b672eba4937ff18337049824a114012d57f202` (git)
  - affected: `683703a26e4677db437a1480682851e27c7a154f to before 439f392084f8f7f59ab9d47a9579185accefe1d8` (git)
  - Other versions: unaffected
- Vendor: Linux. Product: Linux.
  - affected: `2.6.31`
  - unaffected: `before 2.6.31` (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

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

- **CISA KEV:** Not listed.
- **EPSS:** 0.0016, the 5th 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 14 Oct 2026. New records show when each source confirmed them.

## Sources

- [CVE List: CVE-2026-98419](https://www.cve.org/CVERecord?id=CVE-2026-98419)
- [NVD: CVE-2026-98419](https://nvd.nist.gov/vuln/detail/CVE-2026-98419)

### References from the CNA

- <https://git.kernel.org/stable/c/caf09c09e0f323015ab6777ed1bad5aa10688631>
- <https://git.kernel.org/stable/c/56b12f0cd476e4d90a0e2663a80102b388ebf78c>
- <https://git.kernel.org/stable/c/88d640efd655b10f9fa4e381caf777da1f17c2a6>
- <https://git.kernel.org/stable/c/d54a044136b129822715e8798899af540ec7a9e9>
- <https://git.kernel.org/stable/c/8a04047c6dbff2f49a561b1ff53b043f4807e855>
- <https://git.kernel.org/stable/c/530ae0a1458078c7a81fbffd9ff17d42129364d9>
- <https://git.kernel.org/stable/c/03b672eba4937ff18337049824a114012d57f202>
- <https://git.kernel.org/stable/c/439f392084f8f7f59ab9d47a9579185accefe1d8>

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-2026-98419>
- Everything that needs attention now: <https://agentprime.io/advisories/critical.md>

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The web page: <https://agentprime.io/advisories/CVE-2026-98419/>. Everything for agents: <https://agentprime.io/llms.txt>.