CVE-2022-49938

MEDIUM
MEDIUM Priority: 0.01 BB Relevance: 36/100
Published: 2025-06-18 Modified: 2026-11-05 First seen: 2026-11-05 Status: active

Attack Surface

Low Complexity No Interaction

CVSS Vector Breakdown

AV: Local
AC: Low
PR: Low
UI: None
S: Unchanged
C: None
I: None
A: High

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.

Weakness Classification (1)

Affected Software (10)

VendorProductVersion
Linux Linux 9764c02fcbad40001fd3f63558d918e4d519bb75 < 9e3c9efa7caf16e5acc05eab5e4d0a714e1610b0
Linux Linux 9764c02fcbad40001fd3f63558d918e4d519bb75 < 38a6b469bf22f153282fbe7d702a24e9eb43f50e
Linux Linux 9764c02fcbad40001fd3f63558d918e4d519bb75 < 27893dfc1285f80f80f46b3b8c95f5d15d2e66d0
Linux Linux 1ae6f05d4204d3a128bb9ba2c42e2a6c4ac687f1
Linux Linux 4.13.5 < 4.14
Linux Linux 4.14
linux linux_kernel < 5.15.66
linux linux_kernel 6.0
linux linux_kernel 6.0
linux linux_kernel 6.0

Bug Bounty Relevance

36 / 100
✓ Low complexity
✓ No user interaction

CVSS Score

5.5 / 10.0 v3.1
CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H

EPSS — Exploitation Probability

0.18%
Raw Score 0.001800
Percentile 7.6%
Date 2026-11-05

Intelligence Sources

mitre ref →
nvd ref →