CVE-2021-46991

Source
https://nvd.nist.gov/vuln/detail/CVE-2021-46991
Import Source
https://storage.googleapis.com/cve-osv-conversion/osv-output/CVE-2021-46991.json
JSON Data
https://api.osv.dev/v1/vulns/CVE-2021-46991
Related
Published
2024-02-28T09:15:37Z
Modified
2024-12-06T15:27:56Z
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 i40eclientsubtask()

Currently the call to i40eclientdelinstance frees the object pf->cinst, however pf->cinst->laninfo is being accessed after the free. Fix this by adding the missing return.

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

References

Affected packages

Debian:11 / linux

Package

Name
linux
Purl
pkg:deb/debian/linux?arch=source

Affected ranges

Type
ECOSYSTEM
Events
Introduced
0Unknown introduced version / All previous versions are affected
Fixed
5.10.38-1

Ecosystem specific

{
    "urgency": "not yet assigned"
}

Debian:12 / linux

Package

Name
linux
Purl
pkg:deb/debian/linux?arch=source

Affected ranges

Type
ECOSYSTEM
Events
Introduced
0Unknown introduced version / All previous versions are affected
Fixed
5.10.38-1

Ecosystem specific

{
    "urgency": "not yet assigned"
}

Debian:13 / linux

Package

Name
linux
Purl
pkg:deb/debian/linux?arch=source

Affected ranges

Type
ECOSYSTEM
Events
Introduced
0Unknown introduced version / All previous versions are affected
Fixed
5.10.38-1

Ecosystem specific

{
    "urgency": "not yet assigned"
}