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

4.7MEDIUM

Key Information:

Vendor

Red Hat
Status
Kernel
Red Hat Enterprise Linux 6
Red Hat Enterprise Linux 7
Red Hat Enterprise Linux 8
Vendor
CVE Published:
18 July 2023

What is CVE-2023-0160?

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

Affected Version(s)

kernel 6.4-rc1

References

https://access.redhat.com/security/cve/CVE-2023-0160
vdb-entryx_refsource_REDHAT
https://bugzilla.redhat.com/show_bug.cgi?id=2159764
issue-trackingx_refsource_REDHAT
https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/...

CVSS V3.1

Score:
4.7
Severity:
MEDIUM
Confidentiality:
None
Integrity:
None
Availability:
None
Attack Vector:
Local
Attack Complexity:
High
Privileges Required:
Low
User Interaction:
None
Scope:
Unchanged

Timeline

  • Vulnerability published

  • Vulnerability Reserved

Credit

Red Hat would like to thank Hsin-Wei Hung (University of California, Irvine) for reporting this issue.
.