# blk-cgroup: skip dying blkg in blkcg_activate_policy()

CVE record · `CVE-2026-90325`

- **Identifiers:** `CVE-2026-90325`
- **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:** 19 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: `81c1188905f88b77743d1fdeeedfc8cb7b67787d to before b5dae1cd0d8368b4338430ff93403df67f0b8bcc` (git)
  - affected: `bfe46d2efe46c5c952f982e2ca94fe2ec5e58e2a to before 083b58373463a6e5ee60ecb135269348f68ad7df` (git)
  - affected: `f1c006f1c6850c14040f8337753a63119bba39b9 to before 1a267295b1ea6a6477963f3fda84adfecd48fcad` (git)
  - affected: `f1c006f1c6850c14040f8337753a63119bba39b9 to before 7337d012ca3fc3a6a2d1c8e2a19c6d97c38b410d` (git)
  - affected: `f1c006f1c6850c14040f8337753a63119bba39b9 to before 3d8c3da95c75a4d312e272fc7b4076dd3ba9115c` (git)
  - affected: `f1c006f1c6850c14040f8337753a63119bba39b9 to before d8c872901e6459339374e9eea80aa919176c2ccd` (git)
  - affected: `f1c006f1c6850c14040f8337753a63119bba39b9 to before 5e9220389920f33b6a804d50c548cd0cd1b04634` (git)
  - affected: `6.1.16 to before 6.1.17` (semver)
  - affected: `6.2.3 to before 6.2.4` (semver)
  - Other versions: unaffected
- Vendor: Linux. Product: Linux.
  - affected: `6.3`
  - unaffected: `before 6.3` (semver)
  - unaffected: `6.1.17 to 6.1.*, inclusive` (semver)
  - unaffected: `6.2.4 to 6.2.*, 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

- 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:** 0.0016, the 5th 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-2026-90325](https://www.cve.org/CVERecord?id=CVE-2026-90325)
- [NVD: CVE-2026-90325](https://nvd.nist.gov/vuln/detail/CVE-2026-90325)

### References from the CNA

- <https://git.kernel.org/stable/c/b5dae1cd0d8368b4338430ff93403df67f0b8bcc>
- <https://git.kernel.org/stable/c/083b58373463a6e5ee60ecb135269348f68ad7df>
- <https://git.kernel.org/stable/c/1a267295b1ea6a6477963f3fda84adfecd48fcad>
- <https://git.kernel.org/stable/c/7337d012ca3fc3a6a2d1c8e2a19c6d97c38b410d>
- <https://git.kernel.org/stable/c/3d8c3da95c75a4d312e272fc7b4076dd3ba9115c>
- <https://git.kernel.org/stable/c/d8c872901e6459339374e9eea80aa919176c2ccd>
- <https://git.kernel.org/stable/c/5e9220389920f33b6a804d50c548cd0cd1b04634>

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-2026-90325>
- Everything that needs attention now: <https://agentprime.io/advisories/critical.md>

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The web page: <https://agentprime.io/advisories/CVE-2026-90325/>. Everything for agents: <https://agentprime.io/llms.txt>.