CVE-2023-53335

MEDIUM EPSS 8.9%
Published Sep 17, 20259mo ago · Modified Jun 17, 20261w ago
5.5 CVSS 3.1
Medium
Find Similar
Published Sep 17, 2025 9mo ago
Last Modified Jun 17, 2026 1w ago

Description

In the Linux kernel, the following vulnerability has been resolved: RDMA/cxgb4: Fix potential null-ptr-deref in pass_establish() If get_ep_from_tid() fails to lookup non-NULL value for ep, ep is dereferenced later regardless of whether it is empty. This patch adds a simple sanity check to fix the issue. Found by Linux Verification Center (linuxtesting.org) with SVACE.

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
8.9% percentile
Exploit & Patch Status
No Known Exploit
Patch Available

Weaknesses 1

CWE-476 NULL Pointer Dereference Memory Safety

Affected Products 3

VendorProductVersionRange
linuxlinux_kernel*≥4.7  –  <5.15.99
linuxlinux_kernel*≥5.16  –  <6.1.16
linuxlinux_kernel*≥6.2  –  <6.2.3

References 4

  • git.kernel.org https://git.kernel.org/stable/c/283861a4c52c1ea4df3dd1b6fc75a50796ce3524
    Patch
  • git.kernel.org https://git.kernel.org/stable/c/2cfc00e974d75a3aa8155f2660f57d342e1f67ca
    Patch
  • git.kernel.org https://git.kernel.org/stable/c/9dca64042d855a24b0bd81ce242e5dc7e939f6eb
    Patch
  • git.kernel.org https://git.kernel.org/stable/c/9ddc77eefb2a567b705c3c86ab2ddabe43cadf1b
    Patch

Remediation

  • git.kernel.org https://git.kernel.org/stable/c/283861a4c52c1ea4df3dd1b6fc75a50796ce3524
    Patch
  • git.kernel.org https://git.kernel.org/stable/c/2cfc00e974d75a3aa8155f2660f57d342e1f67ca
    Patch
  • git.kernel.org https://git.kernel.org/stable/c/9dca64042d855a24b0bd81ce242e5dc7e939f6eb
    Patch
  • git.kernel.org https://git.kernel.org/stable/c/9ddc77eefb2a567b705c3c86ab2ddabe43cadf1b
    Patch