# block: Fix handling of offline queues in blk_mq_alloc_request_hctx()

CVE record · `CVE-2022-49720`

- **Identifiers:** `CVE-2022-49720`
- **State:** Confirmed
- **Severity:** CVSS 7.8 High
- **Critical:** No
- **CNA:** Linux
- **Weakness (CWE):** [CWE-129](https://cwe.mitre.org/data/definitions/129.html)
- **Tags:** [CWE-129](https://agentprime.io/advisories/tag/cwe-129.md)
- **Technologies:** [Linux kernel](https://agentprime.io/advisories/technology/linux-kernel.md)
- **Published:** 26 Feb 2025
- **Updated:** 11 May 2026
- **Reviewed by a person:** No

Published by the CVE Program (CNA: Linux) at 26 Feb 2025, 02:24 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: `20e4d813931961fe26d26a1e98b3aba6ec00b130 to before 7fa28a7c3d74933a4fc22d341b60927952f31c19` (git)
  - affected: `20e4d813931961fe26d26a1e98b3aba6ec00b130 to before b5e65ef044d627effdc2599040b6d204e003f955` (git)
  - affected: `20e4d813931961fe26d26a1e98b3aba6ec00b130 to before b202a0bd2580ee5b0453772c46d464152fafff73` (git)
  - affected: `20e4d813931961fe26d26a1e98b3aba6ec00b130 to before 14dc7a18abbe4176f5626c13c333670da8e06aa1` (git)
  - Other versions: unaffected
- Vendor: Linux. Product: Linux.
  - affected: `4.16`
  - unaffected: `before 4.16` (semver)
  - unaffected: `5.10.124 to 5.10.*, inclusive` (semver)
  - unaffected: `5.15.49 to 5.15.*, inclusive` (semver)
  - unaffected: `5.18.6 to 5.18.*, inclusive` (semver)
  - unaffected: `5.19 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 ADP (CISA-ADP)

- **CISA KEV:** Not listed.
- **EPSS:** 0.0030, the 22nd percentile, on 7 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 26 Feb 2025. New records show when each source confirmed them.

## Sources

- [CVE List: CVE-2022-49720](https://www.cve.org/CVERecord?id=CVE-2022-49720)
- [NVD: CVE-2022-49720](https://nvd.nist.gov/vuln/detail/CVE-2022-49720)

### References from the CNA

- <https://git.kernel.org/stable/c/7fa28a7c3d74933a4fc22d341b60927952f31c19>
- <https://git.kernel.org/stable/c/b5e65ef044d627effdc2599040b6d204e003f955>
- <https://git.kernel.org/stable/c/b202a0bd2580ee5b0453772c46d464152fafff73>
- <https://git.kernel.org/stable/c/14dc7a18abbe4176f5626c13c333670da8e06aa1>

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-2022-49720>
- Everything that needs attention now: <https://agentprime.io/advisories/critical.md>

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The web page: <https://agentprime.io/advisories/CVE-2022-49720/>. Everything for agents: <https://agentprime.io/llms.txt>.