In the Linux kernel, the following vulnerability has been resolved:
KVM: s390: Fix memory leak in guest debug handling
bp_data is freed only for the error case by kfree(bp_data). Every successful KVM_SET_GUEST_DEBUG will leak bp_data.
CVE-2026-89925
UNRATEDCVSS · not yet scoredTrending — 3 sources updated this week
—
EchelonGraph verdictMonitorLow exploitation likelihood right now — keep watching.
- No CVSS published and no exploitation signals yet
CISA-KEV: Not listedEPSS PROB: 0.2%CVSS v2: —Exploit: None knownExposed services: Not assessed
No fix is confirmed yet — apply a workaround or compensating control (WAF / firewall / segmentation) and watch for the fix.
- CVSS v3
- —
- EchelonGraph score
- Not yet assessedNo source has published severity data for this CVE yet — no CVSS score from NVD or a CNA, no GitHub advisory, and it is not in CISA KEV. This is not a rating of zero; we cannot assess it yet.
- EG Score
- —
- EG Risk
- —
- EPSS PROB
- 0.2%
- EPSS %ILE
- 11th
- KEV
- Not listed
Published
September 16, 2026
Last Modified
September 16, 2026
References (8)
- 416baaa9-dc9f-4396-8d5f-8c081fb06d67https://git.kernel.org/stable/c/121ea1de927c8b9bfdf53c31cad27b86d5de0293
- 416baaa9-dc9f-4396-8d5f-8c081fb06d67https://git.kernel.org/stable/c/39e7cebb889839b5762c9ad22e2d715b5883b288
- 416baaa9-dc9f-4396-8d5f-8c081fb06d67https://git.kernel.org/stable/c/44bf3792c10f4bb3de507391f1837e020d92eaa2
- 416baaa9-dc9f-4396-8d5f-8c081fb06d67https://git.kernel.org/stable/c/581be9f6085834188cef1ad2f07babf3b421e409
- 416baaa9-dc9f-4396-8d5f-8c081fb06d67https://git.kernel.org/stable/c/58b1b729a9f90c80b508fc3e2174cbc0ee50859e
- 416baaa9-dc9f-4396-8d5f-8c081fb06d67https://git.kernel.org/stable/c/5940418e4232a2ff1d30ba12e0d213dbf48f0a83
- 416baaa9-dc9f-4396-8d5f-8c081fb06d67https://git.kernel.org/stable/c/9071f75cbde3bf46119cb28e92cfbef830c4bf97
- 416baaa9-dc9f-4396-8d5f-8c081fb06d67https://git.kernel.org/stable/c/fc2034c431adcbaabf5f8a01912358f07355349e
Vendor Advisories for CVE-2026-89925(1)
These vendors published their own advisory mentioning this CVE — often with vendor-specific remediation steps + affected product lists not in NVD.
Affected Packages
(4 across 3 ecosystems)
Debian:12(2)
| Package | Vulnerable range | Fix by version range | Dependents |
|---|---|---|---|
| linux | 6.1.106-1 ... 7.2~rc7-1~exp1 (360 versions) |
| — |
| linux-6.12 | 6.12.100-1~deb12u1, 6.12.101-1~deb12u1, 6.12.107-1~deb12u1 |
| — |
Debian:13(1)
| Package | Vulnerable range | Fix by version range | Dependents |
|---|---|---|---|
| linux | 6.12.100-1 ... 6.12.96-1 (35 versions) |
| — |
Debian:14(1)
| Package | Vulnerable range | Fix by version range | Dependents |
|---|---|---|---|
| linux | 6.12.100-1 ... 7.2~rc7-1~exp1 (179 versions) |
| — |
Data Freshness Timeline
(refreshed 8× in last 7d / 25× in last 30d)
Each row is a source pipeline that fetched or updated this CVE on that date, with what changed. For example, "NVD update" means NVD published or revised its analysis for this CVE; "MITRE cvelistV5" means we ingested or refreshed it from the CNA feed. Most recent first.
- 2026-10-04 23:22 UTCEPSS rescore
- 2026-10-03 07:25 UTCGHSA enrichment
- 2026-10-01 19:51 UTCEPSS rescore
- 2026-09-30 15:04 UTCEPSS rescore
- 2026-09-30 12:08 UTCEG score recompute
- 2026-09-30 12:08 UTCGHSA enrichment
- 2026-09-28 13:52 UTCEPSS rescore
- 2026-09-28 13:52 UTCEPSS rescore
- 2026-09-27 16:50 UTCGHSA enrichment
- 2026-09-27 13:49 UTCEPSS rescore
- 2026-09-26 15:59 UTCEPSS rescore
- 2026-09-24 21:32 UTCGHSA enrichment
- 2026-09-24 14:04 UTCEPSS rescore
- 2026-09-23 17:54 UTCEPSS rescore
- 2026-09-22 16:01 UTCEPSS rescore
- 2026-09-22 01:56 UTCGHSA enrichment
- 2026-09-21 21:09 UTCEPSS rescore
- 2026-09-20 20:16 UTCEPSS rescore
- 2026-09-19 06:40 UTCEG score recompute
- 2026-09-19 06:40 UTCGHSA enrichment
- 2026-09-18 19:28 UTCEPSS rescore
- 2026-09-17 19:32 UTCEPSS rescore
- 2026-09-16 11:21 UTCNVD update
- 2026-09-16 10:38 UTCEG score recompute
- 2026-09-16 10:36 UTCMITRE cvelistV5first tracked
Frequently asked(4)
What is CVE-2026-89925?
CVE-2026-89925 is a publicly disclosed vulnerability published on September 16, 2026. In the Linux kernel, the following vulnerability has been resolved: KVM: s390: Fix memory leak in guest debug handling bpdata is freed only for the error case by kfree(bpdata). Every successful KVMSETGUESTDEBUG will leak bpdata.
When was CVE-2026-89925 disclosed?
CVE-2026-89925 was first published on September 16, 2026. EchelonGraph re-ingests CVE updates from NVD on a 2-hour cycle, so this page reflects the latest published state.
Is CVE-2026-89925 actively exploited?
CVE-2026-89925 is not currently on CISA's Known Exploited Vulnerabilities catalog. FIRST EPSS estimates a 0.2% probability of exploitation in the next 30 days (11th percentile of EPSS-scored CVEs).
How do I remediate CVE-2026-89925?
No fix for CVE-2026-89925 is confirmed yet. Until one is published, restrict network exposure of the affected system or apply the vendor's mitigation — for example, keep it off the internet or limit it to trusted networks — and watch the vendor's advisory for the fix. The vendor advisories EchelonGraph has for CVE-2026-89925 are linked in the Vendor Advisories panel on this page.
Dependency Blast Radius
See which npm, PyPI, Go, and Maven packages are affected by CVE-2026-89925
Is Your Infrastructure Affected by CVE-2026-89925?
EchelonGraph automatically scans your cloud infrastructure and maps CVE exposure using blast radius analysis.