CVE-2026-89463: linux

CVSS: UnknownReceived
AliasesUBUNTU-CVE-2026-89463DEBIAN-CVE-2026-89463
Published 11-09-2026Last modified 19-10-2026
Open JSON

Vulnerability summary

CVE-2026-89463 is a vulnerability in linux with no CVSS score yet. EPSS estimates a 0.21% chance of exploitation in the next 30 days, higher than 10.8% of scored vulnerabilities.

Overall risk
0/100
0100
Minimal · default modelHow is this calculated?
CVSS score
Not scored
010
No CVSS score recorded
EPSS score
0.21%
0%100%
Low · +0.01 pp in 30 days
KEVNot listedIn no KEV catalog
RansomwareNone recordedNo known use recorded
Public exploits0No public exploits recorded

Advisory lineage

Upstream 0 · Downstream 1 · Related 1
OPENSUSE-SU-2026:11880-1

Timeline

  1. 11-09-2026
    PublishedVulnerability first disclosed.
  2. 19-10-2026
    Last modifiedVulnerability information updated.

Description

In the Linux kernel, the following vulnerability has been resolved: power: supply: ucs1002: fix use-after-free on remove ucs1002 has no remove callback, so unbind runs entirely through devm. The alert IRQ handler queues the health_poll delayed work, and the work reschedules itself while the chip reports a bad-health condition. devm frees the alert IRQ, which only synchronizes the handler; it does not cancel the delayed work, which can then run after devm frees the driver data and dereference it. Register health_poll with devm_delayed_work_autocancel() before the alert IRQ is requested. devm then frees the IRQ before cancelling the work, so the handler can no longer queue it and the work is cancelled before the driver data is freed. This issue was found by an in-house static analysis tool.

CVSS metrics

Risk metrics not yet published.

EPSS trend

Probability

0.21%

Chance of exploitation in the next 30 days

Percentile

11%

Versus all other CVEs

30-day change

+0.01 pp

From 0.21% on 21-09-2026

21-09-202621-10-2026
EPSS score
0.21%

Known exploited

Compare KEV catalogs

Not in any of the 3 tracked catalogs.

Public exploits

0 found

No public exploits indexed.

Weaknesses

CWE · root cause

No weakness data has been published for this record.

Affected systems

Ubuntu157 products
  • linuxAll versions (No fix recorded)
  • linux-allwinner-5.19All versions (No fix recorded)
  • linux-awsAll versions (No fix recorded)
  • linux-aws-5.0All versions (No fix recorded)
  • linux-aws-5.11All versions (No fix recorded)
Debian2 products
  • linuxAll versions (No fix recorded) | < 6.1.190-1 | < 6.12.111-1 | < 7.2.6-1
  • linux-6.12< 6.12.111-1~deb12u1
Linux1 product
  • linux≥ 81196e2e57fc5b88f6b8ca98372a3dde047aa49d, < 00c19f8a9a58a318a76fd6f735a8aab3f8ead393 | ≥ 81196e2e57fc5b88f6b8ca98372a3dde047aa49d, < a9a7bb801c443a4d9fc623c4a47deb53accb70bb | ≥ 81196e2e57fc5b88f6b8ca98372a3dde047aa49d, < 2ec4d203ecb06d327af67e32097fe8f774838a40 | ≥ 81196e2e57fc5b88f6b8ca98372a3dde047aa49d, < 4ca2a4678202f15eb790eb7f1d562061709caea7 | ≥ 81196e2e57fc5b88f6b8ca98372a3dde047aa49d, < 39b60d615dfa1725c235351fb12bc72e5f8a8d32 | ≥ 81196e2e57fc5b88f6b8ca98372a3dde047aa49d, < 35242c93d35f391afdc84cef6236b8ad57f1df24 | ≥ 81196e2e57fc5b88f6b8ca98372a3dde047aa49d, < 609af0ceeaefdfa42cd01dd060b20f2e41f9a232 | 5.10

3 vendors · 160 products

References

12 links
Show all 12 references