CVE-2021-46991

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Source
https://cve.org/CVERecord?id=CVE-2021-46991
Import Source
https://storage.googleapis.com/osv-test-cve-osv-conversion/osv-output/CVE-2021-46991.json
JSON Data
https://api.test.osv.dev/v1/vulns/CVE-2021-46991
Downstream
DEBIAN (1)
SUSE (6)
UBUNTU (1)
Related
SUSE (6)
Published
2024-02-28T09:15:37Z
Modified
2026-03-13T05:20:26Z
Severity
  • 7.8 (High) CVSS_V3 - CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H CVSS Calculator
Summary
[none]
Details

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

i40e: Fix use-after-free in i40e_client_subtask()

Currently the call to i40e_client_del_instance frees the object pf->cinst, however pf->cinst->lan_info is being accessed after the free. Fix this by adding the missing return.

Addresses-Coverity: ("Read from pointer after free")

References

Affected packages

Git /

Affected ranges

Database specific

source 
"https://storage.googleapis.com/osv-test-cve-osv-conversion/osv-output/CVE-2021-46991.json"
unresolved_ranges 
[
    {
        "events":  [
            {
                "introduced":  "4.16"
            },
            {
                "fixed":  "4.19.191"
            }
        ]
    },
    {
        "events":  [
            {
                "introduced":  "4.20"
            },
            {
                "fixed":  "5.4.120"
            }
        ]
    },
    {
        "events":  [
            {
                "introduced":  "5.5"
            },
            {
                "fixed":  "5.10.38"
            }
        ]
    },
    {
        "events":  [
            {
                "introduced":  "5.11"
            },
            {
                "fixed":  "5.11.22"
            }
        ]
    },
    {
        "events":  [
            {
                "introduced":  "5.12"
            },
            {
                "fixed":  "5.12.5"
            }
        ]
    }
]