What is CVE-2026-43487?

CVE-2026-43487 is a Medium severity Linux kernel vulnerability with a CVSS score of 5.5 out of 10, affecting Linux kernel versions from 6.9 onward and patched in 6.12.78, 6.18.19, 6.19.9 and others. CVE-2026-43487 has not been confirmed as actively exploited and is not listed in the CISA KEV catalog.

What is the CVSS score for CVE-2026-43487?

CVE-2026-43487 has a CVSS score of 5.5 out of 10, rated Medium severity. The vector string is CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H.

Is there a patch available for CVE-2026-43487?

Yes, CVE-2026-43487 has been patched. Fixed versions include 6.12.78, 6.18.19, 6.19.9 and others. If you are running Linux kernel 6.9 or later up to the fix versions, apply the relevant patch for your kernel branch.

Is CVE-2026-43487 actively exploited?

CVE-2026-43487 has not been confirmed as actively exploited and is not listed in the CISA KEV catalog.

CVE-2026-43487

Medium

In the Linux kernel, the following vulnerability has been resolved: ata: libata-core: Disable LPM on ST1000DM010-2EP102 According to a user report, the ST1000DM010-2EP102 has problems with LPM, causing random system freezes. The drive belongs to the same BarraCuda family as the ST2000DM008-2FR102 which has the same issue.

Package Linux Kernel

Published 2026-05-13

Last modified 2026-06-26

CVSS version 3.1

Patch available

Yes

CVSS 3.1 score

5.5

out of 10

Medium

Attack Vector

Local

Attack Complexity

Low

Privileges Required

Low

User Interaction

None

Scope

Unchanged

Confidentiality

Low

Integrity

None

Availability

High

Vector string

CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H

Affected versions

Linux kernel versions 6.9 and later are affected. Fixed in 6.12.78, 6.18.19, 6.19.9, 7.0 and their respective stable series.

Affected from

≥ 6.9

Fixed in

✓ 6.12.78 6.12.x ✓ 6.18.19 6.18.x ✓ 6.19.9 6.19.x ✓ 7.0

References

4 total

Kernel Git
https://git.kernel.org/stable/c/87f0349beaacab2ac60c4a1b6dcff254cef7d5a0

Patch
Kernel Git
https://git.kernel.org/stable/c/a4bfb1947eda615fe0b2fc54beb6bedc03372e34

Patch
Kernel Git
https://git.kernel.org/stable/c/b3b1d3ae1d87bc9398fb715c945968bf4c75a09a

Patch
Kernel Git
https://git.kernel.org/stable/c/f897b72cc74d24e7106716184f450d4045a6289b

Patch

Details

CVE ID CVE-2026-43487

Severity Medium

CVSS score 5.5 / 10

CVSS version 3.1

Published 2026-05-13

Modified 2026-06-26

KEV No

Patch

Yes

Package linux

Frequently asked questions

What is CVE-2026-43487?

CVE-2026-43487 is a Medium severity Linux kernel vulnerability with a CVSS score of 5.5 out of 10 . It affects Linux kernel versions from 6.9 onward and has been patched in 6.12.78, 6.18.19, 6.19.9 and others. CVE-2026-43487 has not been confirmed as actively exploited and is not listed in the CISA KEV catalog.
What is the CVSS score for CVE-2026-43487?

CVE-2026-43487 has a CVSS score of 5.5 out of 10, rated Medium severity (CVSS 3.1). The vector string is CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H.
Is there a patch available for CVE-2026-43487?

Yes. CVE-2026-43487 has been patched. Fixed versions include 6.12.78, 6.18.19, 6.19.9 and others. If you are running Linux kernel 6.9 or later up to the fix versions, apply the relevant patch for your kernel branch.
Is CVE-2026-43487 actively exploited?

No. CVE-2026-43487 has not been confirmed as actively exploited. It is not listed in the CISA Known Exploited Vulnerabilities (KEV) catalog.