CVE-2021-47186

kmemdup can return a null pointer so need to check for it, otherwise the null key will be dereferenced later in tipccryptokey_xmit as can be seen in the trace [1].

[1] https://syzkaller.appspot.com/bug?id=bca180abb29567b189efdbdb34cbf7ba851c2a58

References

Affected packages

Git /

Affected ranges

Database specific

source

"https://storage.googleapis.com/osv-test-cve-osv-conversion/osv-output/CVE-2021-47186.json"

unresolved_ranges

[
    {
        "events": [
            {
                "introduced": "5.5"
            },
            {
                "fixed": "5.10.82"
            }
        ]
    },
    {
        "events": [
            {
                "introduced": "5.11"
            },
            {
                "fixed": "5.15.5"
            }
        ]
    },
    {
        "events": [
            {
                "introduced": "0"
            },
            {
                "last_affected": "5.16-rc1"
            }
        ]
    }
]