CVE-2026-43128

Exploitation

Not assessed. CISA has not published an exploitation assessment for this record, and it is not in the KEV catalog. That is an absence of assessment, not a finding of no risk.

SSVC decision

Not assessed by CISA

EPSS probability

0.14% probability of exploitation activity in the next 30 days.

EPSS percentile

Ranks above 3.7% of scored records. A rank, not a probability.

NVD base score

7.8 (CVSS v3.x), scored by the NVD independently of the CNA.

NVD CVSS vector

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

NVD analysis status

Analyzed. NVD last modified this record on 2026-06-17.

Red Hat severity

Moderate. Red Hat's rating for its own products, not a CVSS rating.

Exploit-prediction scores from FIRST. Independent scoring and analysis status from the NVD. Vendor severity from Red Hat. Exploitation assessment and catalog membership from CISA.

Published

2026-05-06 11:27Z4 MO AGO

Last updated

2026-08-05 12:26Z1 MO AGO

Reserved

2026-05-01

Assigning CNA

Linux

Record state

PUBLISHED

Severity

High (CVSS 7.8)

CNA CVSS vector

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

Weaknesses

• CWE-415Double FreeVariant
• CWE-911Improper Update of Reference CountBase

Data version

5.2

Document digest

9cf2fb8f4bc48cdd3abf061d472910f1e24eec0372f5e87be679b4df0dfbba77

• git.kernel.orghttps://git.kernel.org/stable/c/70542b69abff34d24b11ae0bb200cc7a766d18df
• git.kernel.orghttps://git.kernel.org/stable/c/b324327ff6f48d8065dca67eb3b91357e72726bd
• git.kernel.orghttps://git.kernel.org/stable/c/ba3bf0f1bf1d5d0404678485e872980532fcc2c4
• git.kernel.orghttps://git.kernel.org/stable/c/d3e32e2f3262f1b25d77c085ace38e2cc4ad75cf
• git.kernel.orghttps://git.kernel.org/stable/c/40126bcbefa79ea86672e05dae608596bab38319
• git.kernel.orghttps://git.kernel.org/stable/c/104016eb671e19709721c1b0048dd912dc2e96be