CVE-2023-53335

MEDIUM

Linux kernel - Null Pointer Dereference

Title source: llm
STIX 2.1

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.

Scores

CVSS v3 5.5
EPSS 0.0019
EPSS Percentile 8.9%
Attack Vector LOCAL
CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H

CISA SSVC

Vulnrichment
Exploitation none
Automatable no
Technical Impact partial

Details

CWE
CWE-476
Status published
Products (11)
Linux/Linux < 4.7
Linux/Linux 4.7
Linux/Linux 5.15.99 - 5.15.*
Linux/Linux 6.1.16 - 6.1.*
Linux/Linux 6.2.3 - 6.2.*
Linux/Linux 6.3
Linux/Linux 944661dd97f4f257cd914fffec7eb80832ff9141 - 283861a4c52c1ea4df3dd1b6fc75a50796ce3524
Linux/Linux 944661dd97f4f257cd914fffec7eb80832ff9141 - 2cfc00e974d75a3aa8155f2660f57d342e1f67ca
Linux/Linux 944661dd97f4f257cd914fffec7eb80832ff9141 - 9dca64042d855a24b0bd81ce242e5dc7e939f6eb
Linux/Linux 944661dd97f4f257cd914fffec7eb80832ff9141 - 9ddc77eefb2a567b705c3c86ab2ddabe43cadf1b
... and 1 more
Published Sep 17, 2025
Tracked Since Feb 18, 2026