CVE-2023-0160: Possibility of deadlock in libbpf function sock_hash_delete_elem

Medium severity · published Jul 18, 2023

CVE-2023-0160

Possibility of deadlock in libbpf function sock_hash_delete_elem

5.5

CVSS

0.3%

EPSS

On KEV

Description

A deadlock flaw was found in the Linux kernel’s BPF subsystem. This flaw allows a local user to potentially crash the system.

CVSS vector

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

Attack vector

Local

Complexity

Low

Privileges

Low

User interaction

None

Confidentiality

None

Integrity

None

Availability

High

Scope

Unchanged

Exploitation

Is it being used?

Exploit prediction (EPSS)0.3% · higher than 21% of CVEs

Exploited in the wildNo evidence yet

CISA KEVNot listed

Ransomware campaign useNot known

Affected products

Which versions

Kernel · Linux

before 6.4 · source: NVD

Fedora · Fedoraproject

38 · source: vendor, NVD

Affected product

Kernel

Linux

All Kernel CVEs

References

NVD

https://nvd.nist.gov/vuln/detail/CVE-2023-0160

CVE.org

https://www.cve.org/CVERecord?id=CVE-2023-0160

Mitigation

https://access.redhat.com/security/cve/CVE-2023-0160

Issue Tracking

https://bugzilla.redhat.com/show_bug.cgi?id=2159764

Mailing List

https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git/commit/?id=ed17aa92dc56

Exploit

https://lore.kernel.org/all/CABcoxUayum5oOqFMMqAeWuS8+EzojquSOSyDA3J_2omY=2EeAg@mail.gmail.com/