CVE-2023-53241

MEDIUM EPSS 4.3%
Published Sep 15, 20259mo ago · Modified Jun 17, 20261w ago
5.5 CVSS 3.1
Medium
Find Similar
Published Sep 15, 2025 9mo ago
Last Modified Jun 17, 2026 1w ago

Description

In the Linux kernel, the following vulnerability has been resolved: nfsd: call op_release, even when op_func returns an error For ops with "trivial" replies, nfsd4_encode_operation will shortcut most of the encoding work and skip to just marshalling up the status. One of the things it skips is calling op_release. This could cause a memory leak in the layoutget codepath if there is an error at an inopportune time. Have the compound processing engine always call op_release, even when op_func sets an error in op->status. With this change, we also need nfsd4_block_get_device_info_scsi to set the gd_device pointer to NULL on error to avoid a double free.

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
4.3% percentile
Exploit & Patch Status
No Known Exploit
Patch Available

Weaknesses 1

CWE-401

Affected Products 9

VendorProductVersionRange
linuxlinux_kernel*≥4.14  –  <5.10.220
linuxlinux_kernel*≥5.11  –  <5.15.154
linuxlinux_kernel*≥5.16  –  <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/15a8b55dbb1ba154d82627547c5761cac884d810
    Patch
  • git.kernel.org https://git.kernel.org/stable/c/3d0dcada384af22dec764c8374a2997870ec86ae
    Patch
  • git.kernel.org https://git.kernel.org/stable/c/65a33135e91e6dd661ecdf1194b9d90c49ae3570
    Patch
  • git.kernel.org https://git.kernel.org/stable/c/b11d8162c24af4a351d21e2c804d25ca493305e3
    Patch
  • git.kernel.org https://git.kernel.org/stable/c/b623a8e5d38a69a3ef8644acb1030dd7c7bc28b3
    Patch

Remediation

  • git.kernel.org https://git.kernel.org/stable/c/15a8b55dbb1ba154d82627547c5761cac884d810
    Patch
  • git.kernel.org https://git.kernel.org/stable/c/3d0dcada384af22dec764c8374a2997870ec86ae
    Patch
  • git.kernel.org https://git.kernel.org/stable/c/65a33135e91e6dd661ecdf1194b9d90c49ae3570
    Patch
  • git.kernel.org https://git.kernel.org/stable/c/b11d8162c24af4a351d21e2c804d25ca493305e3
    Patch
  • git.kernel.org https://git.kernel.org/stable/c/b623a8e5d38a69a3ef8644acb1030dd7c7bc28b3
    Patch