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CVE-2023-53008

cifs: fix potential memory leaks in session setup

MEDIUM
5.5
CVSS Score
Published: March 27, 2025 at 04:43 PM UTC
Updated: June 17, 2026 at 06:44 AM UTC
1 product affected across 1 vendorLinux Kernel

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Severity
MEDIUM5.5
Exploit prediction
EPSS 0.2%
SSVC
No known exploit

Description

In the Linux kernel, the following vulnerability has been resolved: cifs: fix potential memory leaks in session setup Make sure to free cifs_ses::auth_key.response before allocating it as we might end up leaking memory in reconnect or mounting.

Affected

Our own answer: ranges merged, affected separated from platform-only, with confidence and review flags.

Linux Kernel· Linux
95%
v < 6.1.92.6.37 ≤ v < 6.1.92.6.37 ≤ v < 6.26.2 rc16.2 rc26.2 rc3d3686d54c7902a303bd65d751226aa1647319863
Vendor states this is fixed in 2fe58d977ee05da5bb89ef5dc4f5bf2dc15db46f (fixed)
Vendor states this is fixed in 893d45394dbe4b5cbf3723c19e2ccc8b93a6ac9b (fixed)
Vendor states this is fixed in 2.6.37 (unaffected)
Vendor states this is fixed in 6.1.9 (unaffected)
Vendor states this is fixed in 6.2 (unaffected)

Remediation

No guide yet

No remediation guidance has been written for this CVE yet. What the record does show:

Patch and advisory references

References (2)

Patch
Source: 416baaa9-dc9f-4396-8d5f-8c081fb06d67
https://git.kernel.org/stable/c/2fe58d977ee05da5bb89ef5dc4f5bf2dc15db46f
Patch
Source: 416baaa9-dc9f-4396-8d5f-8c081fb06d67
https://git.kernel.org/stable/c/893d45394dbe4b5cbf3723c19e2ccc8b93a6ac9b

SSVC — Action Prioritization

SSVCNo known exploitNot automatablePartial impact

SSVC signals action urgency (what to patch first), separate from CVSS which measures severity.

CVSS

5.5MEDIUMCISA-ADP
Attack Vector
LOCAL
Complexity
LOW
Privileges
LOW
User Interaction
NONE
Scope
UNCHANGED
Confidentiality
NONE
Integrity
NONE
Availability
HIGH
Vector?

Quick Info

StatusMODIFIED
CWE
CWE-401

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