CVE-2023-53330

MEDIUM EPSS 3.4%
Published Sep 16, 20259mo ago · Modified Jun 17, 20261w ago
5.5 CVSS 3.1
Medium
Find Similar
Published Sep 16, 2025 9mo ago
Last Modified Jun 17, 2026 1w ago

Description

In the Linux kernel, the following vulnerability has been resolved: caif: fix memory leak in cfctrl_linkup_request() When linktype is unknown or kzalloc failed in cfctrl_linkup_request(), pkt is not released. Add release process to error path.

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
3.4% percentile
Exploit & Patch Status
No Known Exploit
Patch Available

Weaknesses 1

CWE-401

Affected Products 9

VendorProductVersionRange
linuxlinux_kernel*≥2.6.35  –  <4.14.303
linuxlinux_kernel*≥4.15  –  <4.19.270
linuxlinux_kernel*≥4.20  –  <5.4.229
linuxlinux_kernel*≥5.5  –  <5.10.163
linuxlinux_kernel*≥5.11  –  <5.15.87
linuxlinux_kernel*≥5.16  –  <6.0.19
linuxlinux_kernel*≥6.1  –  <6.1.5
linuxlinux_kernel6.2any
linuxlinux_kernel6.2any

References 8

  • git.kernel.org https://git.kernel.org/stable/c/1dddeceb26002cfea4c375e92ac6498768dc7349
    Patch
  • git.kernel.org https://git.kernel.org/stable/c/33df9c5d5e2a18c70f5f5f3c2757d654c1b6ffa3
    Patch
  • git.kernel.org https://git.kernel.org/stable/c/3acf3783a84cbdf0c9f8cf2f32ee9c49af93a2da
    Patch
  • git.kernel.org https://git.kernel.org/stable/c/3ad47c8aa5648226184415e4a0cb1bf67ffbfd48
    Patch
  • git.kernel.org https://git.kernel.org/stable/c/84b2cc7b36b7f6957d307fb3d01603f93cb2d655
    Patch
  • git.kernel.org https://git.kernel.org/stable/c/badea57569db04b010e922e29a7aaf40a979a70b
    Patch
  • git.kernel.org https://git.kernel.org/stable/c/dc1bc903970bdf63ca40ab923d3ccb765da9a8d9
    Patch
  • git.kernel.org https://git.kernel.org/stable/c/fe69230f05897b3de758427b574fc98025dfc907
    Patch

Remediation

  • git.kernel.org https://git.kernel.org/stable/c/1dddeceb26002cfea4c375e92ac6498768dc7349
    Patch
  • git.kernel.org https://git.kernel.org/stable/c/33df9c5d5e2a18c70f5f5f3c2757d654c1b6ffa3
    Patch
  • git.kernel.org https://git.kernel.org/stable/c/3acf3783a84cbdf0c9f8cf2f32ee9c49af93a2da
    Patch
  • git.kernel.org https://git.kernel.org/stable/c/3ad47c8aa5648226184415e4a0cb1bf67ffbfd48
    Patch
  • git.kernel.org https://git.kernel.org/stable/c/84b2cc7b36b7f6957d307fb3d01603f93cb2d655
    Patch
  • git.kernel.org https://git.kernel.org/stable/c/badea57569db04b010e922e29a7aaf40a979a70b
    Patch
  • git.kernel.org https://git.kernel.org/stable/c/dc1bc903970bdf63ca40ab923d3ccb765da9a8d9
    Patch
  • git.kernel.org https://git.kernel.org/stable/c/fe69230f05897b3de758427b574fc98025dfc907
    Patch