CVE-2023-53464

MEDIUM EPSS 4.7%
Published Oct 1, 20259mo ago · Modified Jun 17, 20261w ago
5.5 CVSS 3.1
Medium
Find Similar
Published Oct 1, 2025 9mo ago
Last Modified Jun 17, 2026 1w ago

Description

In the Linux kernel, the following vulnerability has been resolved: scsi: iscsi_tcp: Check that sock is valid before iscsi_set_param() The validity of sock should be checked before assignment to avoid incorrect values. Commit 57569c37f0ad ("scsi: iscsi: iscsi_tcp: Fix null-ptr-deref while calling getpeername()") introduced this change which may lead to inconsistent values of tcp_sw_conn->sendpage and conn->datadgst_en. Fix the issue by moving the position of the assignment.

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
4.7% percentile
Exploit & Patch Status
No Known Exploit
Patch Available

Weaknesses 1

CWE-476 NULL Pointer Dereference Memory Safety

Affected Products 10

VendorProductVersionRange
linuxlinux_kernel*≥5.10.150  –  <5.10.178
linuxlinux_kernel*≥5.15.75  –  <5.15.107
linuxlinux_kernel*≥5.19.17  –  <6.0
linuxlinux_kernel*≥6.0.3  –  <6.1.24
linuxlinux_kernel*≥6.2  –  <6.2.11
linuxlinux_kernel6.3any
linuxlinux_kernel6.3any
linuxlinux_kernel6.3any
linuxlinux_kernel6.3any
linuxlinux_kernel6.3any

References 5

  • git.kernel.org https://git.kernel.org/stable/c/48b19b79cfa37b1e50da3b5a8af529f994c08901
    Patch
  • git.kernel.org https://git.kernel.org/stable/c/499757ad3332e2527254f9ab68dec1da087b1d96
    Patch
  • git.kernel.org https://git.kernel.org/stable/c/5e5c5f472972c4bc9430adc08b36763a0fa5b9f7
    Patch
  • git.kernel.org https://git.kernel.org/stable/c/6e06a68fbbfcd8576eee8f7139fa2b13c9b72e91
    Patch
  • git.kernel.org https://git.kernel.org/stable/c/b287e21e73ec23f3788fbe40037c42dbe6e9a9a9
    Patch

Remediation

  • git.kernel.org https://git.kernel.org/stable/c/48b19b79cfa37b1e50da3b5a8af529f994c08901
    Patch
  • git.kernel.org https://git.kernel.org/stable/c/499757ad3332e2527254f9ab68dec1da087b1d96
    Patch
  • git.kernel.org https://git.kernel.org/stable/c/5e5c5f472972c4bc9430adc08b36763a0fa5b9f7
    Patch
  • git.kernel.org https://git.kernel.org/stable/c/6e06a68fbbfcd8576eee8f7139fa2b13c9b72e91
    Patch
  • git.kernel.org https://git.kernel.org/stable/c/b287e21e73ec23f3788fbe40037c42dbe6e9a9a9
    Patch