CVE-2026-23093

MEDIUM EPSS 2.4%
Published Feb 4, 20264mo ago · Modified Jun 17, 20261w ago
5.5 CVSS 3.1
Medium
Find Similar
Published Feb 4, 2026 4mo ago
Last Modified Jun 17, 2026 1w ago

Description

In the Linux kernel, the following vulnerability has been resolved: ksmbd: smbd: fix dma_unmap_sg() nents The dma_unmap_sg() functions should be called with the same nents as the dma_map_sg(), not the value the map function returned.

CVSS Details

Base Score
5.5
Exploitability
1.8
Impact
3.6
Vector string
CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H
Attack Vector Local
Attack Complexity Low
Privileges Required Low
User Interaction None
Scope Unchanged
Confidentiality None
Integrity None
Availability High

Threat Intelligence

EPSS Exploit Probability
2.4% percentile
Exploit & Patch Status
No Known Exploit
Patch Available

Affected Products 11

VendorProductVersionRange
linuxlinux_kernel*≥5.15  –  <5.15.199
linuxlinux_kernel*≥5.16  –  <6.1.162
linuxlinux_kernel*≥6.2  –  <6.6.123
linuxlinux_kernel*≥6.7  –  <6.12.69
linuxlinux_kernel*≥6.13  –  <6.18.8
linuxlinux_kernel6.19any
linuxlinux_kernel6.19any
linuxlinux_kernel6.19any
linuxlinux_kernel6.19any
linuxlinux_kernel6.19any
linuxlinux_kernel6.19any

References 6

  • git.kernel.org https://git.kernel.org/stable/c/4d1e9a4a450aae47277763562122cc80ed703ab2
    Patch
  • git.kernel.org https://git.kernel.org/stable/c/6ececffd3e9fe93a87738625dc0671165d27bf96
    Patch
  • git.kernel.org https://git.kernel.org/stable/c/70ba85e439221a5d6dda34a3004db6640f0525e6
    Patch
  • git.kernel.org https://git.kernel.org/stable/c/98e3e2b561bc88f4dd218d1c05890672874692f6
    Patch
  • git.kernel.org https://git.kernel.org/stable/c/d1943bc9dc9508f5933788a76f8a35d10e43a646
    Patch
  • git.kernel.org https://git.kernel.org/stable/c/f569f5b8bfd5133defdf9c7f8a72c63aa11f54ec
    Patch

Remediation

  • git.kernel.org https://git.kernel.org/stable/c/4d1e9a4a450aae47277763562122cc80ed703ab2
    Patch
  • git.kernel.org https://git.kernel.org/stable/c/6ececffd3e9fe93a87738625dc0671165d27bf96
    Patch
  • git.kernel.org https://git.kernel.org/stable/c/70ba85e439221a5d6dda34a3004db6640f0525e6
    Patch
  • git.kernel.org https://git.kernel.org/stable/c/98e3e2b561bc88f4dd218d1c05890672874692f6
    Patch
  • git.kernel.org https://git.kernel.org/stable/c/d1943bc9dc9508f5933788a76f8a35d10e43a646
    Patch
  • git.kernel.org https://git.kernel.org/stable/c/f569f5b8bfd5133defdf9c7f8a72c63aa11f54ec
    Patch