What is CVE-2026-43039?

CVE-2026-43039 is a critical-severity vulnerability in Linux. CVSS score: 9.8/10. Published 2026-05-01.

How severe is CVE-2026-43039?

Critical severity. CVSS v3 base score is 9.8 out of 10.

Vulnerability in Linux

CVE-2026-43039

In the Linux kernel, the following vulnerability has been resolved: net: ti: icssg-prueth: fix missing data copy and wrong recycle in ZC RX dispatch emac_dispatch_skb_zc() allocates a new skb via napi_alloc_skb() but never copies the pac…

EPSS: 0.001 (19.3th percentile) — read the EPSS interpretation.

CVSS v3 metric

CVSS v3 base score 9.8 (Critical). Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H.

Affected products

Linux — versions 7a64bb388df3cf091afdd047c701039a13acd3b4, 6.19, 0
Linux Linux_kernel — versions 7.0

References

416baaa9-dc9f-4396-8d5f-8c081fb06d67 (Patch)
416baaa9-dc9f-4396-8d5f-8c081fb06d67 (Patch)

Frequently asked questions

What is CVE-2026-43039?: CVE-2026-43039 is a critical-severity vulnerability in Linux. CVSS score: 9.8/10. Published 2026-05-01.
How severe is CVE-2026-43039?: Critical severity. CVSS v3 base score is 9.8 out of 10.