Is CVE-2023-6111 in the CISA KEV catalog?

No. CVE-2023-6111 is not currently on the CISA Known Exploited Vulnerabilities list.

What is the CVSS severity of CVE-2023-6111?

CVE-2023-6111 has a CVSS v3 base score of 7.8 (HIGH).

What is the EPSS score for CVE-2023-6111?

CVE-2023-6111 has an EPSS score of 0.32% (24th percentile), estimating the probability of exploitation in the next 30 days.

How do I fix CVE-2023-6111?

Upgrade linux on debian 12 to 6.1.64-1 or later. Fixes are available for 7 affected products.

CVE & CISA-KEV Catalog

CVE-2023-6111

HIGH

7.8

CVSS v3

NVD

Description

A use-after-free vulnerability in the Linux kernel's netfilter: nf_tables component can be exploited to achieve local privilege escalation. The function nft_trans_gc_catchall did not remove the catchall set element from the catchall_list when the argument sync is true, making it possible to free a catchall set element many times. We recommend upgrading past commit 93995bf4af2c5a99e2a87f0cd5ce547d31eb7630.

CWE-416Use After Free

How to fix

Remediation Available

linuxDebian

Fixed in:6.1.64-1CVE-2023-6111

Fixed in:6.5.13-1CVE-2023-6111

linux-image-6.1.0-1028-oemUbuntu

Fixed in:6.1.0-1028.28USN-6576-1

linux-image-oem-22.04Ubuntu

Fixed in:6.1.0.1028.29USN-6576-1

linux-image-oem-22.04aUbuntu

Fixed in:6.1.0.1028.29USN-6576-1

linux-image-oem-22.04bUbuntu

Fixed in:6.1.0.1028.29USN-6576-1

linux-image-oem-22.04cUbuntu

Fixed in:6.1.0.1028.29USN-6576-1

linux-oem-6.1Ubuntu

Fixed in:6.1.0-1028.28USN-6576-1

Remediation is compiled from vendor and distribution security advisories. Always confirm against the linked source for your exact version and platform.

CVSS v3 Vector

Exploitability

Attack VectorLocal

Attack ComplexityLow

Privileges RequiredLow

User InteractionNone

ScopeUnchanged

Impact

ConfidentialityHigh

IntegrityHigh

AvailabilityHigh

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

Exploit Intelligence

0.32%probability of exploitation in 30 days

24thpercentile

Low risk: more likely to be exploited than 24% of all known CVEs.

References

Patch2

Release Notes4

Related Vulnerabilities

Other CWE-416 (Use After Free) vulnerabilities, ordered by exploit likelihood. View all

CVE	Severity	CVSS	EPSS	Exploited	Fix
CVE-2019-0708	Critical	9.8	100%	KEV + Ransom	-
CVE-2021-31166	Critical	9.8	100%	KEV	Fix
CVE-2015-5119	Critical	9.8	99%	KEV	-
CVE-2010-3962	High	8.1	97%	KEV	-
CVE-2015-0313	Critical	9.8	96%	KEV	Fix
CVE-2017-9798	High	7.5	95%	-	Fix

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This product uses NVD data but is not endorsed or certified by the NVD. EPSS scores courtesy of FIRST.org (https://www.first.org/epss). Source: CISA KEV Catalog. Data as of 2025-03-20.