CVE-2021-47519

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Source
https://cve.org/CVERecord?id=CVE-2021-47519
Import Source
https://storage.googleapis.com/cve-osv-conversion/osv-output/CVE-2021-47519.json
JSON Data
https://api.osv.dev/v1/vulns/CVE-2021-47519
Downstream
Published
2024-05-24T15:15:13Z
Modified
2026-03-14T11:19:14Z
Severity
  • 5.5 (Medium) CVSS_V3 - CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H CVSS Calculator
Summary
[none]
Details

In the Linux kernel, the following vulnerability has been resolved:

can: m_can: m_can_read_fifo: fix memory leak in error branch

In m_can_read_fifo(), if the second call to m_can_fifo_read() fails, the function jump to the out_fail label and returns without calling m_can_receive_skb(). This means that the skb previously allocated by alloc_can_skb() is not freed. In other terms, this is a memory leak.

This patch adds a goto label to destroy the skb if an error occurs.

Issue was found with GCC -fanalyzer, please follow the link below for details.

References

Affected packages

Git /

Affected ranges

Database specific

source 
"https://storage.googleapis.com/cve-osv-conversion/osv-output/CVE-2021-47519.json"
unresolved_ranges 
[
    {
        "events": [
            {
                "introduced": "5.15"
            },
            {
                "fixed": "5.15.8"
            }
        ]
    }
]