CVE-2024-50286

HIGH EPSS 18.3%
Published Nov 19, 20241y ago · Modified Jun 17, 20261w ago
7.0 CVSS 3.1
High
Find Similar
Published Nov 19, 2024 1y ago
Last Modified Jun 17, 2026 1w ago

Description

In the Linux kernel, the following vulnerability has been resolved: ksmbd: fix slab-use-after-free in ksmbd_smb2_session_create There is a race condition between ksmbd_smb2_session_create and ksmbd_expire_session. This patch add missing sessions_table_lock while adding/deleting session from global session table.

CVSS Details

Base Score
7.0
Exploitability
1.0
Impact
5.9
Vector string
CVSS:3.1/AV:L/AC:H/PR:L/UI:N/S:U/C:H/I:H/A:H
Attack Vector Local
Attack Complexity High
Privileges Required Low
User Interaction None
Scope Unchanged
Confidentiality High
Integrity High
Availability High

Threat Intelligence

EPSS Exploit Probability
18.3% percentile
Exploit & Patch Status
No Known Exploit
Patch Available

Weaknesses 1

CWE-416 Use After Free Memory Safety

Affected Products 9

VendorProductVersionRange
linuxlinux_kernel* <6.1.117
linuxlinux_kernel*≥6.2  –  <6.6.61
linuxlinux_kernel*≥6.7  –  <6.11.8
linuxlinux_kernel6.12any
linuxlinux_kernel6.12any
linuxlinux_kernel6.12any
linuxlinux_kernel6.12any
linuxlinux_kernel6.12any
linuxlinux_kernel6.12any

References 5

  • git.kernel.org https://git.kernel.org/stable/c/0a77715db22611df50b178374c51e2ba0d58866e
    Patch
  • git.kernel.org https://git.kernel.org/stable/c/e7a2ad2044377853cf8c59528dac808a08a99c72
    Patch
  • git.kernel.org https://git.kernel.org/stable/c/e923503a56b3385b64ae492e3225e4623f560c5b
    Patch
  • git.kernel.org https://git.kernel.org/stable/c/f56446ba5378d19e31040b548a14ee9a8f1500ea
    Patch
  • lists.debian.org https://lists.debian.org/debian-lts-announce/2025/01/msg00001.html

Remediation

  • git.kernel.org https://git.kernel.org/stable/c/0a77715db22611df50b178374c51e2ba0d58866e
    Patch
  • git.kernel.org https://git.kernel.org/stable/c/e7a2ad2044377853cf8c59528dac808a08a99c72
    Patch
  • git.kernel.org https://git.kernel.org/stable/c/e923503a56b3385b64ae492e3225e4623f560c5b
    Patch
  • git.kernel.org https://git.kernel.org/stable/c/f56446ba5378d19e31040b548a14ee9a8f1500ea
    Patch