CVE-2024-26936CWE-120

CVE-2024-26936

High · published May 1, 2024

CVSS v3.1
8.2
EPSS
1%
Percentile
48.3
In the wild
Unconfirmed
What it is

In the Linux kernel, the following vulnerability has been resolved:

ksmbd: validate request buffer size in smb2_allocate_rsp_buf()

The response buffer should be allocated in smb2_allocate_rsp_buf

before validating request. But the fields in payload as well as smb2 header

is used in smb2_allocate_rsp_buf(). This patch add simple buffer size

validation to avoid potencial out-of-bounds in request buffer.

The record
Technical detail
CVSS v3.1
8.2 · HIGH
Vector
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:N/A:H
CVSS v4.0
Not supplied
EPSS
0.00605 · 48.3th percentile
Weakness
CWE-120 · Buffer Copy without Checking Size of Input ('Classic Buffer Overflow')
Published
2024-05-01T10:15Z
Affected products (9)
ProductVersionsFixed in
linux/linux_kernel≥ 5.15, < 5.15.1595.15.159
linux/linux_kernel≥ 5.16, < 6.1.886.1.88
linux/linux_kernel≥ 6.2, < 6.6.296.6.29
linux/linux_kernel≥ 6.7, < 6.8.86.8.8
linux/linux_kernelall versions—
linux/linux_kernelall versions—
linux/linux_kernelall versions—
linux/linux_kernelall versions—
linux/linux_kernelall versions—
References (10)
EPSS history
Timeline
  • 01 MAY 05:26Z
    ksmbd: validate request buffer size in smb2_allocate_rsp_buf()
    cvelistv5