# powerpc/irq: Fix missing r2 clobber in PCREL inline assembly

CVE record · `CVE-2026-93259`

- **Identifiers:** `CVE-2026-93259`
- **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: `7e3a68be42e10f5fa5890e97afc0afd992355bc3 to before dcc442a49c0f540193910dacdca7506bcadc7ec5` (git)
  - affected: `7e3a68be42e10f5fa5890e97afc0afd992355bc3 to before 602ee44415f3eaa7893f7fc488c7c1d4a0bdbd7a` (git)
  - affected: `7e3a68be42e10f5fa5890e97afc0afd992355bc3 to before 90d953002cf0b233dd053a0e7cb67ab79cebd0e3` (git)
  - affected: `7e3a68be42e10f5fa5890e97afc0afd992355bc3 to before 7b0093b638c8f2b94b0778a69fd1ccad54299b29` (git)
  - affected: `7e3a68be42e10f5fa5890e97afc0afd992355bc3 to before 00be69070d91d2be978e752bb117a0a4db0e1281` (git)
  - Other versions: unaffected
- Vendor: Linux. Product: Linux.
  - affected: `6.4`
  - unaffected: `before 6.4` (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:** 0.0019, the 8th 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-2026-93259](https://www.cve.org/CVERecord?id=CVE-2026-93259)
- [NVD: CVE-2026-93259](https://nvd.nist.gov/vuln/detail/CVE-2026-93259)

### References from the CNA

- <https://git.kernel.org/stable/c/dcc442a49c0f540193910dacdca7506bcadc7ec5>
- <https://git.kernel.org/stable/c/602ee44415f3eaa7893f7fc488c7c1d4a0bdbd7a>
- <https://git.kernel.org/stable/c/90d953002cf0b233dd053a0e7cb67ab79cebd0e3>
- <https://git.kernel.org/stable/c/7b0093b638c8f2b94b0778a69fd1ccad54299b29>
- <https://git.kernel.org/stable/c/00be69070d91d2be978e752bb117a0a4db0e1281>

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-2026-93259>
- Everything that needs attention now: <https://agentprime.io/advisories/critical.md>

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The web page: <https://agentprime.io/advisories/CVE-2026-93259/>. Everything for agents: <https://agentprime.io/llms.txt>.