Double Free in Linux
CVE-2026-43278
In the Linux kernel, the following vulnerability has been resolved: dm: clear cloned request bio pointer when last clone bio completes Stale rq->bio values have been observed to cause double-initialization of cloned bios in request-based…
Vulnerability class: Double Free
EPSS: 0.000 (2.5th percentile) — read the EPSS interpretation.
CVSS v3 metric
CVSS v3 base score 7.8 (High). Vector: CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H.
Affected products
- Linux — versions 6.1.165, 1da177e4c3f41524e886b7f1b8a0c1fc7321cac2, 7.0
- Linux Linux_kernel
Weakness classification (CWE)
References
- nvd@nist.gov (Patch)
- 416baaa9-dc9f-4396-8d5f-8c081fb06d67 (Patch)
- 416baaa9-dc9f-4396-8d5f-8c081fb06d67 (Patch)
- 416baaa9-dc9f-4396-8d5f-8c081fb06d67 (Patch)
- nvd@nist.gov (Patch)
- 416baaa9-dc9f-4396-8d5f-8c081fb06d67 (Patch)
- 416baaa9-dc9f-4396-8d5f-8c081fb06d67 (Patch)
- 416baaa9-dc9f-4396-8d5f-8c081fb06d67 (Patch)
Frequently asked questions
- What is CVE-2026-43278?
- CVE-2026-43278 is a high-severity vulnerability in Linux, classified under Double Free. CVSS score: 7.8/10. Published 2026-05-06.
- How severe is CVE-2026-43278?
- High severity. CVSS v3 base score is 7.8 out of 10.