CVE-2026-23093

  1. OpenCVE
  2. Vulnerabilities (CVE)
  3. CVE-2026-23093
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.

5.5 /10

CVSS v3 : MEDIUM

V3 Legend

Vector :

Exploitability : 1.8 / Impact : 3.6

Attack Vector LOCAL

Attack Complexity LOW

Privileges Required LOW

User Interaction NONE

Confidentiality Impact NONE

Integrity Impact NONE

Availability Impact HIGH

Scope UNCHANGED

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

Configuration 1 (hide)

OR cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*
cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*
cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*
cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*
cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*
cpe:2.3:o:linux:linux_kernel:6.19:rc1:*:*:*:*:*:*
cpe:2.3:o:linux:linux_kernel:6.19:rc2:*:*:*:*:*:*
cpe:2.3:o:linux:linux_kernel:6.19:rc3:*:*:*:*:*:*
cpe:2.3:o:linux:linux_kernel:6.19:rc4:*:*:*:*:*:*
cpe:2.3:o:linux:linux_kernel:6.19:rc5:*:*:*:*:*:*
cpe:2.3:o:linux:linux_kernel:6.19:rc6:*:*:*:*:*:*
History

17 Mar 2026, 21:09

Type Values Removed Values Added
References () https://git.kernel.org/stable/c/4d1e9a4a450aae47277763562122cc80ed703ab2 - () https://git.kernel.org/stable/c/4d1e9a4a450aae47277763562122cc80ed703ab2 - Patch
References () https://git.kernel.org/stable/c/6ececffd3e9fe93a87738625dc0671165d27bf96 - () https://git.kernel.org/stable/c/6ececffd3e9fe93a87738625dc0671165d27bf96 - Patch
References () https://git.kernel.org/stable/c/70ba85e439221a5d6dda34a3004db6640f0525e6 - () https://git.kernel.org/stable/c/70ba85e439221a5d6dda34a3004db6640f0525e6 - Patch
References () https://git.kernel.org/stable/c/98e3e2b561bc88f4dd218d1c05890672874692f6 - () https://git.kernel.org/stable/c/98e3e2b561bc88f4dd218d1c05890672874692f6 - Patch
References () https://git.kernel.org/stable/c/d1943bc9dc9508f5933788a76f8a35d10e43a646 - () https://git.kernel.org/stable/c/d1943bc9dc9508f5933788a76f8a35d10e43a646 - Patch
References () https://git.kernel.org/stable/c/f569f5b8bfd5133defdf9c7f8a72c63aa11f54ec - () https://git.kernel.org/stable/c/f569f5b8bfd5133defdf9c7f8a72c63aa11f54ec - Patch
CWE NVD-CWE-noinfo
CPE cpe:2.3:o:linux:linux_kernel:6.19:rc5:*:*:*:*:*:*
cpe:2.3:o:linux:linux_kernel:6.19:rc4:*:*:*:*:*:*
cpe:2.3:o:linux:linux_kernel:6.19:rc1:*:*:*:*:*:*
cpe:2.3:o:linux:linux_kernel:6.19:rc2:*:*:*:*:*:*
cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*
cpe:2.3:o:linux:linux_kernel:6.19:rc6:*:*:*:*:*:*
cpe:2.3:o:linux:linux_kernel:6.19:rc3:*:*:*:*:*:*
First Time Linux
Linux linux Kernel
CVSS v2 : unknown
v3 : unknown 		v2 : unknown
v3 : 5.5
Summary
  • (es) En el kernel de Linux, la siguiente vulnerabilidad ha sido resuelta: ksmbd: smbd: corrección de dma_unmap_sg() nents Las funciones dma_unmap_sg() deben ser llamadas con los mismos nents que la dma_map_sg(), no el valor que la función de mapeo devolvió.

06 Feb 2026, 17:16

Type Values Removed Values Added
References
  • () https://git.kernel.org/stable/c/4d1e9a4a450aae47277763562122cc80ed703ab2 -
  • () https://git.kernel.org/stable/c/6ececffd3e9fe93a87738625dc0671165d27bf96 -
  • () https://git.kernel.org/stable/c/70ba85e439221a5d6dda34a3004db6640f0525e6 -
  • () https://git.kernel.org/stable/c/f569f5b8bfd5133defdf9c7f8a72c63aa11f54ec -

04 Feb 2026, 17:16

Type Values Removed Values Added
New CVE
Information

Published : 2026-02-04 17:16

Updated : 2026-03-17 21:09

NVD link : CVE-2026-23093

Mitre link : CVE-2026-23093

CVE.ORG link : CVE-2026-23093

JSON object : View

Products Affected

linux

  • linux_kernel
CWE
NVD-CWE-noinfo