# perf/core: Fix NULL pmu_ctx passed to pmu->sched_task()

CVE record · `CVE-2026-98477`

- **Identifiers:** `CVE-2026-98477`
- **State:** Confirmed
- **Severity:** No CVSS score
- **Critical:** No
- **CNA:** Linux
- **Technologies:** [Linux kernel](https://agentprime.io/advisories/technology/linux-kernel.md)
- **Published:** 18 Oct 2026
- **Updated:** 21 Oct 2026
- **Reviewed by a person:** No

Published by the CVE Program (CNA: Linux) at 18 Oct 2026, 15:15 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: `bd27568117664b8b3e259721393df420ed51f57b to before 98181f9721f75f1a544dc563b0d8fed1d5c398d5` (git)
  - affected: `bd27568117664b8b3e259721393df420ed51f57b to before b5409311b606d536cc485f3706c242c2afa93edb` (git)
  - affected: `bd27568117664b8b3e259721393df420ed51f57b to before 249a2bd87a0e57dc28f36e992807edc9cae309b5` (git)
  - affected: `bd27568117664b8b3e259721393df420ed51f57b to before ec15f6a50183fc01f470af74ad49900fb3731fca` (git)
  - affected: `bd27568117664b8b3e259721393df420ed51f57b to before 36bb85cf36cab15fb611cb44b78a5df06e4e69a2` (git)
  - Other versions: unaffected
- Vendor: Linux. Product: Linux.
  - affected: `6.2`
  - unaffected: `before 6.2` (semver)
  - unaffected: `6.6.160 to 6.6.*, inclusive` (semver)
  - unaffected: `6.12.112 to 6.12.*, inclusive` (semver)
  - unaffected: `6.18.55 to 6.18.*, inclusive` (semver)
  - unaffected: `7.2.9 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:** 0.0017, the 6th percentile, on 8 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 18 Oct 2026. New records show when each source confirmed them.

## Sources

- [CVE List: CVE-2026-98477](https://www.cve.org/CVERecord?id=CVE-2026-98477)
- [NVD: CVE-2026-98477](https://nvd.nist.gov/vuln/detail/CVE-2026-98477)

### References from the CNA

- <https://git.kernel.org/stable/c/98181f9721f75f1a544dc563b0d8fed1d5c398d5>
- <https://git.kernel.org/stable/c/b5409311b606d536cc485f3706c242c2afa93edb>
- <https://git.kernel.org/stable/c/249a2bd87a0e57dc28f36e992807edc9cae309b5>
- <https://git.kernel.org/stable/c/ec15f6a50183fc01f470af74ad49900fb3731fca>
- <https://git.kernel.org/stable/c/36bb85cf36cab15fb611cb44b78a5df06e4e69a2>

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-2026-98477>
- Everything that needs attention now: <https://agentprime.io/advisories/critical.md>

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The web page: <https://agentprime.io/advisories/CVE-2026-98477/>. Everything for agents: <https://agentprime.io/llms.txt>.