CVE-2023-0160 — A deadlock flaw was found in the Linux kernel’s BPF subsystem
A deadlock flaw was found in the Linux kernel’s BPF subsystem. This flaw allows a local user to potentially crash the system.
Published
2023-07-18T16:08:23.653Z
Last modified
2024-09-26T19:33:49.046Z
CVSS vector
CVSS:3.1/AV:L/AC:H/PR:L/UI:N/S:U/C:N/I:N/A:H
01What is this vulnerability?
A deadlock flaw was found in the Linux kernel’s BPF subsystem. This flaw allows a local user to potentially crash the system.
02Affected products
| Vendor | Product | Versions |
|---|
| n | a / kernel | 6.4-rc1 |
| Red Hat | Red Hat Enterprise Linux 6 | unspecified |
| Red Hat | Red Hat Enterprise Linux 7 | unspecified |
| Red Hat | Red Hat Enterprise Linux 7 | unspecified |
| Red Hat | Red Hat Enterprise Linux 8 | unspecified |
| Red Hat | Red Hat Enterprise Linux 8 | unspecified |
| Red Hat | Red Hat Enterprise Linux 9 | unspecified |
| Red Hat | Red Hat Enterprise Linux 9 | unspecified |
| Fedora | Fedora | unspecified |
03Active exploitation status
Not currently listed on the CISA Known Exploited Vulnerabilities (KEV) catalog. EPSS is the best forward-looking signal — see the EPSS row above.
04Recommended remediation
- Patch to a fixed version listed in the vendor advisory (see references below).
- Mitigate with WAF rules, network egress filters, or feature flags where the patch is not yet available.
- Hunt historical logs for exploitation indicators — see Detection signatures below.
05Technical details
For the full vendor write-up, exploit chains, and reference implementations, see the references list in section 09.
06Detection signatures
Ask SARA in chat to draft a starting detection for this CVE in your stack of choice.
07Related CVEs
No directly-cited follow-up CVEs in the KB record for this advisory. The references list in section 09 carries the vendor cross-references.
08Timeline
- Published: 2023-07-18T16:08:23.653Z
- Last modified: 2024-09-26T19:33:49.046Z
09References
- access.redhat.com — https://access.redhat.com/security/cve/CVE-2023-0160
- bugzilla.redhat.com — https://bugzilla.redhat.com/show_bug.cgi?id=2159764
- git.kernel.org — https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git/commit/?id=ed…
- lore.kernel.org — https://lore.kernel.org/all/CABcoxUayum5oOqFMMqAeWuS8+EzojquSOSyDA3J_2omY=2EeAg@…
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