# bpf, cgroup: Fix invalid storage access after \_\_cgroup_bpf_attach failed

CVE record · `CVE-2026-90313`

- **Identifiers:** `CVE-2026-90313`
- **State:** Confirmed
- **Severity:** No CVSS score
- **Critical:** No
- **CNA:** Linux
- **Technologies:** [Linux kernel](https://agentprime.io/advisories/technology/linux-kernel.md)
- **Published:** 17 Sept 2026
- **Updated:** 30 Oct 2026
- **Reviewed by a person:** No

Published by the CVE Program (CNA: Linux) at 17 Sept 2026, 16:08 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: `7d9c3427894fe70d1347b4820476bf37736d2ff0 to before 217b257d2c39e8dc32d691e8952f3cd921a80233` (git)
  - affected: `7d9c3427894fe70d1347b4820476bf37736d2ff0 to before e26db0d636e4c24a6b16683ea95cf5077c64d74b` (git)
  - affected: `7d9c3427894fe70d1347b4820476bf37736d2ff0 to before aaca16e042527f7efe48b50799bc662f1a191ce1` (git)
  - affected: `7d9c3427894fe70d1347b4820476bf37736d2ff0 to before 86ead176301109b78e1d14c0e9d0d9ff9723c769` (git)
  - affected: `7d9c3427894fe70d1347b4820476bf37736d2ff0 to before 2c2218560b6e28a63ff7834ba26d09ff8efdee39` (git)
  - affected: `7d9c3427894fe70d1347b4820476bf37736d2ff0 to before 6655c409707ec8ce9ce0850ffe4fe02331fd4d9c` (git)
  - Other versions: unaffected
- Vendor: Linux. Product: Linux.
  - affected: `5.9`
  - unaffected: `before 5.9` (semver)
  - unaffected: `6.1.191 to 6.1.*, inclusive` (semver)
  - unaffected: `6.6.157 to 6.6.*, inclusive` (semver)
  - unaffected: `6.12.110 to 6.12.*, inclusive` (semver)
  - unaffected: `6.18.52 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

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

- **CISA KEV:** Not listed.
- **EPSS:** 0.0021, the 11th 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-2026-90313](https://www.cve.org/CVERecord?id=CVE-2026-90313)
- [NVD: CVE-2026-90313](https://nvd.nist.gov/vuln/detail/CVE-2026-90313)

### References from the CNA

- <https://git.kernel.org/stable/c/217b257d2c39e8dc32d691e8952f3cd921a80233>
- <https://git.kernel.org/stable/c/e26db0d636e4c24a6b16683ea95cf5077c64d74b>
- <https://git.kernel.org/stable/c/aaca16e042527f7efe48b50799bc662f1a191ce1>
- <https://git.kernel.org/stable/c/86ead176301109b78e1d14c0e9d0d9ff9723c769>
- <https://git.kernel.org/stable/c/2c2218560b6e28a63ff7834ba26d09ff8efdee39>
- <https://git.kernel.org/stable/c/6655c409707ec8ce9ce0850ffe4fe02331fd4d9c>

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-2026-90313>
- Everything that needs attention now: <https://agentprime.io/advisories/critical.md>

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The web page: <https://agentprime.io/advisories/CVE-2026-90313/>. Everything for agents: <https://agentprime.io/llms.txt>.