What is CVE-2026-43290?

CVE-2026-43290 is a High severity Linux kernel vulnerability with a CVSS score of 7.8 out of 10, affecting Linux kernel versions from 6.17 onward and patched in 6.18.16, 6.19.6 and 7.0. CVE-2026-43290 has not been confirmed as actively exploited and is not listed in the CISA KEV catalog.

What is the CVSS score for CVE-2026-43290?

CVE-2026-43290 has a CVSS score of 7.8 out of 10, rated High severity. The vector string is CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H.

Is there a patch available for CVE-2026-43290?

Yes, CVE-2026-43290 has been patched. Fixed versions include 6.18.16, 6.19.6 and 7.0. If you are running Linux kernel 6.17 or later up to the fix versions, apply the relevant patch for your kernel branch.

Is CVE-2026-43290 actively exploited?

CVE-2026-43290 has not been confirmed as actively exploited and is not listed in the CISA KEV catalog.

CVE-2026-43290

High

In the Linux kernel, the following vulnerability has been resolved: media: uvcvideo: Return queued buffers on start_streaming() failure Return buffers if streaming fails to start due to uvc_pm_get() error. This bug may be responsible for a warning I got running while :; do yavta -c3 /dev/video0; done on an xHCI controller which failed under this workload. I had no luck reproducing this warning again to confirm. xhci_hcd 0000:09:00.0: HC died; cleaning up usb 13-2: USB disconnect, device number 2 WARNING: CPU: 2 PID: 29386 at drivers/media/common/videobuf2/videobuf2-core.c:1803 vb2_start_streaming+0xac/0x120

Package Linux Kernel

Published 2026-05-08

Last modified 2026-05-14

CVSS version 3.1

Patch available

Yes

CVSS 3.1 score

7.8

out of 10

High

Attack Vector

Local

Attack Complexity

Low

Privileges Required

Low

User Interaction

None

Scope

Unchanged

Confidentiality

High

Integrity

High

Availability

High

Vector string

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

Affected versions

Linux kernel versions 6.17 and later are affected. Fixed in 6.18.16, 6.19.6, 7.0 and their respective stable series.

Affected from

≥ 6.17

Fixed in

✓ 6.18.16 6.18.x ✓ 6.19.6 6.19.x ✓ 7.0

References

The following references provide additional information about CVE-2026-43290 including vendor advisories, patch commits, exploit details, and third-party analysis. Links are sourced from the NIST NVD database.

Kernel patch commit
https://git.kernel.org/stable/c/4cf3b6fd54ebb1ebc977bdc47fb6cfcf9a471a22
Patch
Kernel patch commit
https://git.kernel.org/stable/c/69c32df23bed6001864779b965fa009bcd9a26de
Patch
Kernel patch commit
https://git.kernel.org/stable/c/a5c01f15809d1d2c319d8bfb11d071df11ab731c
Patch

Details

CVE ID CVE-2026-43290

Severity High

CVSS score 7.8 / 10

CVSS version 3.1

Published 2026-05-08

Modified 2026-05-14

KEV No

Patch

Yes

Package linux

Frequently asked questions

What is CVE-2026-43290?

CVE-2026-43290 is a High severity Linux kernel vulnerability with a CVSS score of 7.8 out of 10 . It affects Linux kernel versions from 6.17 onward and has been patched in 6.18.16, 6.19.6 and 7.0. CVE-2026-43290 has not been confirmed as actively exploited and is not listed in the CISA KEV catalog.
What is the CVSS score for CVE-2026-43290?

CVE-2026-43290 has a CVSS score of 7.8 out of 10, rated High severity (CVSS 3.1). The vector string is CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H.
Is there a patch available for CVE-2026-43290?

Yes — CVE-2026-43290 has been patched. Fixed versions include 6.18.16, 6.19.6 and 7.0. If you are running Linux kernel 6.17 or later up to the fix versions, apply the relevant patch for your kernel branch.
Is CVE-2026-43290 actively exploited?

No — CVE-2026-43290 has not been confirmed as actively exploited. It is not listed in the CISA Known Exploited Vulnerabilities (KEV) catalog.