CVE-2021-47570
staging: r8188eu: fix a memory leak in rtw_wx_read32()
MEDIUM
5.5
CVSS Score
Published: May 24, 2024 at 03:12 PM UTC
Updated: June 17, 2026 at 04:17 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: staging: r8188eu: fix a memory leak in rtw_wx_read32() Free "ptmp" before returning -EINVAL.
Affected
Our own answer: ranges merged, affected separated from platform-only, with confidence and review flags.
Vendor states this is fixed in be4ea8f383551b9dae11b8dfff1f38b3b5436e9a (fixed)
Vendor states this is fixed in c8d3775745adacf9784a7a80a82d047051752573 (fixed)
Vendor states this is fixed in 5.15 (unaffected)
Vendor states this is fixed in 5.15.6 (unaffected)
Vendor states this is fixed in 5.16 (unaffected)
Remediation
No guide yetNo remediation guidance has been written for this CVE yet. What the record does show:
References (2)
Patch
Source: 416baaa9-dc9f-4396-8d5f-8c081fb06d67
https://git.kernel.org/stable/c/be4ea8f383551b9dae11b8dfff1f38b3b5436e9aPatch
Source: 416baaa9-dc9f-4396-8d5f-8c081fb06d67
https://git.kernel.org/stable/c/c8d3775745adacf9784a7a80a82d047051752573SSVC — Action Prioritization
SSVCNo known exploitNot automatablePartial impact
SSVC signals action urgency (what to patch first), separate from CVSS which measures severity.
CVSS
- 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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