What is CVE-2026-43362?

CVE-2026-43362 is a high-severity vulnerability in Linux, classified under Out-of-bounds Write. CVSS score: 8.1/10. Published 2026-05-08.

How severe is CVE-2026-43362?

High severity. CVSS v3 base score is 8.1 out of 10.

Buffer overflow in Linux

CVE-2026-43362

In the Linux kernel, the following vulnerability has been resolved: smb: client: fix in-place encryption corruption in SMB2_write() SMB2_write() places write payload in iov[1..n] as part of rq_iov. smb3_init_transform_rq() pointer-shares…

Vulnerability class: Buffer Overflow

EPSS: 0.000 (6.5th percentile) — read the EPSS interpretation.

CVSS v3 metric

CVSS v3 base score 8.1 (High). Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:N/I:H/A:H.

Affected products

Linux — versions 1da177e4c3f41524e886b7f1b8a0c1fc7321cac2, 7.0, 6.18.19
Linux Linux_kernel — versions 7.0

Weakness classification (CWE)

CWE-787 — Out-of-bounds Write

References

416baaa9-dc9f-4396-8d5f-8c081fb06d67 (Patch)
416baaa9-dc9f-4396-8d5f-8c081fb06d67 (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-2026-43362?: CVE-2026-43362 is a high-severity vulnerability in Linux, classified under Out-of-bounds Write. CVSS score: 8.1/10. Published 2026-05-08.
How severe is CVE-2026-43362?: High severity. CVSS v3 base score is 8.1 out of 10.