# arm64: hibernate: mask DAIF before restoring hibernated kernel

CVE record · `CVE-2026-93256`

- **Identifiers:** `CVE-2026-93256`
- **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:** 19 Oct 2026
- **Reviewed by a person:** No

Published by the CVE Program (CNA: Linux) at 24 Sept 2026, 15:51 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: `82869ac57b5d3b550446932c918dbf2caf020c9e to before c9c671e9ab87b639720db8f7f8648bdf0f3bc8ec` (git)
  - affected: `82869ac57b5d3b550446932c918dbf2caf020c9e to before 099ad3edcef1d955d9f5d6aab16ae78ecdfd4cda` (git)
  - affected: `82869ac57b5d3b550446932c918dbf2caf020c9e to before 716c41bd476334afb943308be9ff2142e34461b7` (git)
  - affected: `82869ac57b5d3b550446932c918dbf2caf020c9e to before 5370853041a3cb53a125b77528586278f64b378b` (git)
  - affected: `82869ac57b5d3b550446932c918dbf2caf020c9e to before 290c5b0c9fc0c61fb1c41421ed2394f955206ea0` (git)
  - affected: `82869ac57b5d3b550446932c918dbf2caf020c9e to before 012823494e20c3cce622982ebd3fd6971be39ad2` (git)
  - affected: `82869ac57b5d3b550446932c918dbf2caf020c9e to before d736ace2c491623c9ab5e73744085e93e9ae3ebe` (git)
  - affected: `82869ac57b5d3b550446932c918dbf2caf020c9e to before 684bde100117931f4c51c644a95f42f2dab041bc` (git)
  - Other versions: unaffected
- Vendor: Linux. Product: Linux.
  - affected: `4.7`
  - unaffected: `before 4.7` (semver)
  - unaffected: `5.10.270 to 5.10.*, inclusive` (semver)
  - unaffected: `5.15.221 to 5.15.*, inclusive` (semver)
  - unaffected: `6.1.188 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:** 0.0022, the 12th 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 24 Sept 2026. New records show when each source confirmed them.

## Sources

- [CVE List: CVE-2026-93256](https://www.cve.org/CVERecord?id=CVE-2026-93256)
- [NVD: CVE-2026-93256](https://nvd.nist.gov/vuln/detail/CVE-2026-93256)

### References from the CNA

- <https://git.kernel.org/stable/c/c9c671e9ab87b639720db8f7f8648bdf0f3bc8ec>
- <https://git.kernel.org/stable/c/099ad3edcef1d955d9f5d6aab16ae78ecdfd4cda>
- <https://git.kernel.org/stable/c/716c41bd476334afb943308be9ff2142e34461b7>
- <https://git.kernel.org/stable/c/5370853041a3cb53a125b77528586278f64b378b>
- <https://git.kernel.org/stable/c/290c5b0c9fc0c61fb1c41421ed2394f955206ea0>
- <https://git.kernel.org/stable/c/012823494e20c3cce622982ebd3fd6971be39ad2>
- <https://git.kernel.org/stable/c/d736ace2c491623c9ab5e73744085e93e9ae3ebe>
- <https://git.kernel.org/stable/c/684bde100117931f4c51c644a95f42f2dab041bc>

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-2026-93256>
- Everything that needs attention now: <https://agentprime.io/advisories/critical.md>

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The web page: <https://agentprime.io/advisories/CVE-2026-93256/>. Everything for agents: <https://agentprime.io/llms.txt>.