# bpf: Reject MEM_ALLOC BTF accesses past object bounds

CVE record · `CVE-2026-93148`

- **Identifiers:** `CVE-2026-93148`
- **State:** Confirmed
- **Severity:** CVSS 7.8 High
- **Critical:** No
- **CNA:** Linux
- **Technologies:** [Linux kernel](https://agentprime.io/advisories/technology/linux-kernel.md)
- **Published:** 17 Sept 2026
- **Updated:** 21 Oct 2026
- **Reviewed by a person:** No

Published by the CVE Program (CNA: Linux) at 17 Sept 2026, 16:11 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: `958cf2e273f0929c66169e0788031310e8118722 to before 94033c193bc38794511b2ebfa3dc0287d3b2bf60` (git)
  - affected: `958cf2e273f0929c66169e0788031310e8118722 to before 90d36e825da4fadeede64784ceda975ab7b31dab` (git)
  - affected: `958cf2e273f0929c66169e0788031310e8118722 to before cf08ff2255de98cfcbc8bf7236fbeb38f0d5b4f1` (git)
  - affected: `958cf2e273f0929c66169e0788031310e8118722 to before e626a50d07d43421cbf7bfb5a084b33a5e276b6e` (git)
  - affected: `958cf2e273f0929c66169e0788031310e8118722 to before 9c9ee0324c774490ae953162aaaf4561d222bd93` (git)
  - Other versions: unaffected
- Vendor: Linux. Product: Linux.
  - affected: `6.2`
  - unaffected: `before 6.2` (semver)
  - unaffected: `6.6.160 to 6.6.*, inclusive` (semver)
  - unaffected: `6.12.114 to 6.12.*, inclusive` (semver)
  - unaffected: `6.18.57 to 6.18.*, inclusive` (semver)
  - unaffected: `7.2.6 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:** 0.0018, the 7th percentile, on 13 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 17 Sept 2026. New records show when each source confirmed them.

## Sources

- [CVE List: CVE-2026-93148](https://www.cve.org/CVERecord?id=CVE-2026-93148)
- [NVD: CVE-2026-93148](https://nvd.nist.gov/vuln/detail/CVE-2026-93148)

### References from the CNA

- <https://git.kernel.org/stable/c/94033c193bc38794511b2ebfa3dc0287d3b2bf60>
- <https://git.kernel.org/stable/c/90d36e825da4fadeede64784ceda975ab7b31dab>
- <https://git.kernel.org/stable/c/cf08ff2255de98cfcbc8bf7236fbeb38f0d5b4f1>
- <https://git.kernel.org/stable/c/e626a50d07d43421cbf7bfb5a084b33a5e276b6e>
- <https://git.kernel.org/stable/c/9c9ee0324c774490ae953162aaaf4561d222bd93>

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-2026-93148>
- Everything that needs attention now: <https://agentprime.io/advisories/critical.md>

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The web page: <https://agentprime.io/advisories/CVE-2026-93148/>. Everything for agents: <https://agentprime.io/llms.txt>.