What is CVE-2023-28464?

CVE-2023-28464 is a High severity Linux kernel vulnerability with a CVSS score of 7.8 out of 10. CVE-2023-28464 has not been confirmed as actively exploited and is not listed in the CISA KEV catalog.

What is the CVSS score for CVE-2023-28464?

CVE-2023-28464 has a CVSS score of 7.8 out of 10, rated High severity. The vector string is CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H.

Is there a patch available for CVE-2023-28464?

No patch is currently available for CVE-2023-28464. Monitor the NIST NVD and your Linux distribution's security advisories for updates.

Is CVE-2023-28464 actively exploited?

CVE-2023-28464 has not been confirmed as actively exploited and is not listed in the CISA KEV catalog.

CVE-2023-28464

High

hci_conn_cleanup in net/bluetooth/hci_conn.c in the Linux kernel through 6.2.9 has a use-after-free (observed in hci_conn_hash_flush) because of calls to hci_dev_put and hci_conn_put. There is a double free that may lead to privilege escalation.

Package Linux Kernel

Published 2023-03-31

Last modified 2024-11-21

CVSS version 3.1

Patch available

Awaiting data

CVSS 3.1 score

7.8

out of 10

High

Attack Vector

Local

Attack Complexity

Low

Privileges Required

Low

User Interaction

None

Scope

Unchanged

Confidentiality

High

Integrity

High

Availability

High

Vector string

CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H

Weakness type

CWE-415

CVE-2023-28464 is classified as CWE-415

See CWE-415 on MITRE CWE for full details on this weakness type.

References

The following references provide additional information about CVE-2023-28464 including vendor advisories, patch commits, exploit details, and third-party analysis. Links are sourced from the NIST NVD database.

Security
https://security.netapp.com/advisory/ntap-20230517-0004/

Third Party Advisory
Openwall
https://www.openwall.com/lists/oss-security/2023/03/28/3

Mailing List
Kernel patch commit
https://lore.kernel.org/lkml/20230309074645.74309-1-wzhmmmmm%40gmail.com/
Patch
Kernel patch commit
https://www.openwall.com/lists/oss-security/2023/03/28/2
Patch

Details

CVE ID CVE-2023-28464

Severity High

CVSS score 7.8 / 10

CVSS version 3.1

Published 2023-03-31

Modified 2024-11-21

KEV No

Patch Awaiting data

Package linux

Frequently asked questions

What is CVE-2023-28464?

CVE-2023-28464 is a High severity Linux kernel vulnerability with a CVSS score of 7.8 out of 10 . CVE-2023-28464 has not been confirmed as actively exploited and is not listed in the CISA KEV catalog.
What is the CVSS score for CVE-2023-28464?

CVE-2023-28464 has a CVSS score of 7.8 out of 10, rated High severity (CVSS 3.1). The vector string is CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H.
Is there a patch available for CVE-2023-28464?

No patch is currently available for CVE-2023-28464. Monitor the NIST NVD and your Linux distribution's security advisories for updates.
Is CVE-2023-28464 actively exploited?

No — CVE-2023-28464 has not been confirmed as actively exploited. It is not listed in the CISA Known Exploited Vulnerabilities (KEV) catalog.