CVE-2022-49938

MEDIUM EPSS 4.3%
Published Jun 18, 20251y ago · Modified Jun 17, 20261w ago
5.5 CVSS 3.1
Medium
Find Similar
Published Jun 18, 2025 1y ago
Last Modified Jun 17, 2026 1w ago

Description

In the Linux kernel, the following vulnerability has been resolved: cifs: fix small mempool leak in SMB2_negotiate() In some cases of failure (dialect mismatches) in SMB2_negotiate(), after the request is sent, the checks would return -EIO when they should be rather setting rc = -EIO and jumping to neg_exit to free the response buffer from mempool.

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 5

VendorProductVersionRange
linuxlinux_kernel* <5.15.66
linuxlinux_kernel*≥5.16  –  <5.19.8
linuxlinux_kernel6.0any
linuxlinux_kernel6.0any
linuxlinux_kernel6.0any

References 3

  • git.kernel.org https://git.kernel.org/stable/c/27893dfc1285f80f80f46b3b8c95f5d15d2e66d0
    Patch
  • git.kernel.org https://git.kernel.org/stable/c/38a6b469bf22f153282fbe7d702a24e9eb43f50e
    Patch
  • git.kernel.org https://git.kernel.org/stable/c/9e3c9efa7caf16e5acc05eab5e4d0a714e1610b0
    Patch

Remediation

  • git.kernel.org https://git.kernel.org/stable/c/27893dfc1285f80f80f46b3b8c95f5d15d2e66d0
    Patch
  • git.kernel.org https://git.kernel.org/stable/c/38a6b469bf22f153282fbe7d702a24e9eb43f50e
    Patch
  • git.kernel.org https://git.kernel.org/stable/c/9e3c9efa7caf16e5acc05eab5e4d0a714e1610b0
    Patch