# blk-cgroup: fix leaks and online flag on radix_tree_insert failure

CVE record · `CVE-2026-93795`

- **Identifiers:** `CVE-2026-93795`
- **State:** Confirmed
- **Severity:** No CVSS score
- **Critical:** No
- **CNA:** Linux
- **Technologies:** [Linux kernel](https://agentprime.io/advisories/technology/linux-kernel.md)
- **Published:** 24 Sept 2026
- **Updated:** 3 Oct 2026
- **Reviewed by a person:** No

Published by the CVE Program (CNA: Linux) at 24 Sept 2026, 16:02 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: `7fcf2b033b84e261dca283bc2911aaea4b07b525 to before 0f840db042caee9d2f3dcdcf97d6674f6e4c1e30` (git)
  - affected: `7fcf2b033b84e261dca283bc2911aaea4b07b525 to before f53945d7c712efe63fadbcc5ffed6370871fd0d3` (git)
  - affected: `7fcf2b033b84e261dca283bc2911aaea4b07b525 to before ada8270ccdb6f212da5eb22614c28ea418746a4a` (git)
  - affected: `7fcf2b033b84e261dca283bc2911aaea4b07b525 to before c3650be82ef6e7af13b79b2d10a7363bdf54aa7f` (git)
  - affected: `7fcf2b033b84e261dca283bc2911aaea4b07b525 to before 6e85f02d45b5977c0326a8d854c6db878aa6b34a` (git)
  - affected: `7fcf2b033b84e261dca283bc2911aaea4b07b525 to before 4c0d150fb98ea40760611979f4e664c244b20966` (git)
  - affected: `7fcf2b033b84e261dca283bc2911aaea4b07b525 to before dbbca20764382b4d411ec2918f4e278ffe547acc` (git)
  - Other versions: unaffected
- Vendor: Linux. Product: Linux.
  - affected: `5.0`
  - unaffected: `before 5.0` (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: `6.12.111 to 6.12.*, inclusive` (semver)
  - unaffected: `6.18.53 to 6.18.*, inclusive` (semver)
  - unaffected: `7.2 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 12 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 24 Sept 2026. New records show when each source confirmed them.

## Sources

- [CVE List: CVE-2026-93795](https://www.cve.org/CVERecord?id=CVE-2026-93795)
- [NVD: CVE-2026-93795](https://nvd.nist.gov/vuln/detail/CVE-2026-93795)

### References from the CNA

- <https://git.kernel.org/stable/c/0f840db042caee9d2f3dcdcf97d6674f6e4c1e30>
- <https://git.kernel.org/stable/c/f53945d7c712efe63fadbcc5ffed6370871fd0d3>
- <https://git.kernel.org/stable/c/ada8270ccdb6f212da5eb22614c28ea418746a4a>
- <https://git.kernel.org/stable/c/c3650be82ef6e7af13b79b2d10a7363bdf54aa7f>
- <https://git.kernel.org/stable/c/6e85f02d45b5977c0326a8d854c6db878aa6b34a>
- <https://git.kernel.org/stable/c/4c0d150fb98ea40760611979f4e664c244b20966>
- <https://git.kernel.org/stable/c/dbbca20764382b4d411ec2918f4e278ffe547acc>

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-2026-93795>
- Everything that needs attention now: <https://agentprime.io/advisories/critical.md>

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The web page: <https://agentprime.io/advisories/CVE-2026-93795/>. Everything for agents: <https://agentprime.io/llms.txt>.