CVE-2021-47407

See a problem?

Source

https://nvd.nist.gov/vuln/detail/CVE-2021-47407

Import Source

https://storage.googleapis.com/cve-osv-conversion/osv-output/CVE-2021-47407.json

JSON Data

https://api.osv.dev/v1/vulns/CVE-2021-47407

Related

Published

2024-05-21T15:15:26Z

Modified

2024-09-18T03:17:27.493018Z

Summary

[none]

Details

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

KVM: x86: Handle SRCU initialization failure during page track init

Check the return of initsrcustruct(), which can fail due to OOM, when initializing the page track mechanism. Lack of checking leads to a NULL pointer deref found by a modified syzkaller.

[Move the call towards the beginning of kvmarchinit_vm. - Paolo]

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

5.10.84-1

Affected versions

5.*

5.10.46-4

5.10.46-5

5.10.70-1~bpo10+1

5.10.70-1

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

5.14.12-1

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

5.14.12-1

Ecosystem specific

{
    "urgency": "not yet assigned"
}