# modpost: fix off by one in is_executable_section()

CVE record · `CVE-2023-53397`

- **Identifiers:** `CVE-2023-53397`
- **State:** Confirmed
- **Severity:** CVSS 5.5 Medium
- **Critical:** No
- **CNA:** Linux
- **Weakness (CWE):** [CWE-193](https://cwe.mitre.org/data/definitions/193.html)
- **Tags:** [CWE-193](https://agentprime.io/advisories/tag/cwe-193.md)
- **Technologies:** [Linux kernel](https://agentprime.io/advisories/technology/linux-kernel.md)
- **Published:** 18 Sept 2025
- **Updated:** 11 May 2026
- **Reviewed by a person:** No

Published by the CVE Program (CNA: Linux) at 18 Sept 2025, 13:33 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: `52dc0595d540155436d91811f929bdc8afd6a2a1 to before 7ee557590bac154d324de446d1cd0444988bd511` (git)
  - affected: `52dc0595d540155436d91811f929bdc8afd6a2a1 to before 02dc8e8bdbe4412cfcf17ee3873e63fa5a55b957` (git)
  - affected: `52dc0595d540155436d91811f929bdc8afd6a2a1 to before cb0cdca5c979bc34c27602e2039562932c2591a4` (git)
  - affected: `52dc0595d540155436d91811f929bdc8afd6a2a1 to before 5e0424cd8a44b5f480feb06753cdf4e1f248d148` (git)
  - affected: `52dc0595d540155436d91811f929bdc8afd6a2a1 to before dd872d5576cc94528f427c7264c2c438928cc6d2` (git)
  - affected: `52dc0595d540155436d91811f929bdc8afd6a2a1 to before cade370efe2f9e2a79ea8587506ffe2b51ac6d2b` (git)
  - affected: `52dc0595d540155436d91811f929bdc8afd6a2a1 to before 8b2e77050b91199453bf19d0517b047b7339a9e3` (git)
  - affected: `52dc0595d540155436d91811f929bdc8afd6a2a1 to before 3a3f1e573a105328a2cca45a7cfbebabbf5e3192` (git)
  - Other versions: unaffected
- Vendor: Linux. Product: Linux.
  - affected: `4.1`
  - unaffected: `before 4.1` (semver)
  - unaffected: `4.14.322 to 4.14.*, inclusive` (semver)
  - unaffected: `5.4.251 to 5.4.*, inclusive` (semver)
  - unaffected: `5.10.188 to 5.10.*, inclusive` (semver)
  - unaffected: `5.15.121 to 5.15.*, inclusive` (semver)
  - unaffected: `6.1.39 to 6.1.*, inclusive` (semver)
  - unaffected: `6.3.13 to 6.3.*, inclusive` (semver)
  - unaffected: `6.4.4 to 6.4.*, inclusive` (semver)
  - unaffected: `6.5 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

- 5.5 Medium, CVSS 3.1: `CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H`, from ADP (CISA-ADP)

- **CISA KEV:** Not listed.
- **EPSS:** 0.0015, the 4th percentile, on 5 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 Sept 2025. New records show when each source confirmed them.

## Sources

- [CVE List: CVE-2023-53397](https://www.cve.org/CVERecord?id=CVE-2023-53397)
- [NVD: CVE-2023-53397](https://nvd.nist.gov/vuln/detail/CVE-2023-53397)

### References from the CNA

- <https://git.kernel.org/stable/c/7ee557590bac154d324de446d1cd0444988bd511>
- <https://git.kernel.org/stable/c/02dc8e8bdbe4412cfcf17ee3873e63fa5a55b957>
- <https://git.kernel.org/stable/c/cb0cdca5c979bc34c27602e2039562932c2591a4>
- <https://git.kernel.org/stable/c/5e0424cd8a44b5f480feb06753cdf4e1f248d148>
- <https://git.kernel.org/stable/c/dd872d5576cc94528f427c7264c2c438928cc6d2>
- <https://git.kernel.org/stable/c/cade370efe2f9e2a79ea8587506ffe2b51ac6d2b>
- <https://git.kernel.org/stable/c/8b2e77050b91199453bf19d0517b047b7339a9e3>
- <https://git.kernel.org/stable/c/3a3f1e573a105328a2cca45a7cfbebabbf5e3192>

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-2023-53397>
- Everything that needs attention now: <https://agentprime.io/advisories/critical.md>

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The web page: <https://agentprime.io/advisories/CVE-2023-53397/>. Everything for agents: <https://agentprime.io/llms.txt>.