CVE-2022-3545

25

FAUCET Score

CVE-2022-3545 is a critical use-after-free vulnerability in the Linux Kernel's IPsec component, specifically within the area_cache_get function of the nfp_cppcore.c file. This flaw affects Debian, Linux, and NetApp products. With a CVSS score of 7.8 (HIGH), it presents a local attack vector with low complexity, potentially leading to high impact on confidentiality, integrity, and availability. Currently, there is no evidence of active exploitation, public exploit code (Metasploit, Nuclei, ExploitDB), or significant community discussion or media coverage.

Impacted Technologies

Vendor	Product	Version(s)	CPE
		>= 4.11, < 4.14.303CPE matchmatch criteria	cpe:2.3:o:linux:linux_kernel::::::::
		>= 4.15, < 4.19.270CPE matchmatch criteria	cpe:2.3:o:linux:linux_kernel::::::::
		>= 4.20, < 5.4.228CPE matchmatch criteria	cpe:2.3:o:linux:linux_kernel::::::::
		>= 5.5, < 5.10.160CPE matchmatch criteria	cpe:2.3:o:linux:linux_kernel::::::::
		>= 5.11, < 5.15.84CPE matchmatch criteria	cpe:2.3:o:linux:linux_kernel::::::::

CVSS Data

CVSS version used by this source: 3.1

5.5MEDIUM

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

Attack Vector

ADJACENT_NETWORK

Attack Complexity

LOW

Privileges Required

LOW

User Interaction

NONE

Scope

UNCHANGED

Confidentiality Impact

LOW

Integrity Impact

LOW

Availability Impact

LOW

Exploitability Score

2.1

Impact Score

3.4

CvssVersion

3.1

Exploit Intelligence

EPSS Score

0.42%

Probability of exploitation in next 30 days

EPSS Percentile

34.1%

Percentile rank of EPSS score among Peer Group

As of 2026-07-28

Model: v2026.06.15

This CVE's current EPSS score of 0.0042 is in the 72nd percentile among its peer group of 17,070 CVEs.

Social Chatter

The average CVE in this peer group has 0.0 Twitter, 0.1 Reddit, 0.2 Bluesky, 0.1 Mastodon, and 0.2 GitHub mentions.

Media Mentions

No media coverage found for this CVE.

The average CVE in this peer group has 0.3 InfoSec Media, 0.0 Vendor Blog, and 0.0 Security Researcher mentions.

Remediation

Patch Available

Vendor Patches (23)

microsoftpatch availablevia msrc

Product: 18505-16820Fixed in: 5.10.161.1-1

microsoftpatch availablevia msrc

Product: 18513-16823Fixed in: 5.15.86.1-1

microsoftpatch availablevia msrc

Product: cm1 kernel 5.10.161.1-1 on CBL Mariner 1.0Fixed in: 5.10.161.1-1

microsoftpatch availablevia msrc

Product: cbl2 kernel 5.15.86.1-1 on CBL Mariner 2.0Fixed in: 5.15.86.1-1

redhatpatch availablevia redhat_api

Product: Red Hat Enterprise Linux 8Fixed in: kernel-0:4.18.0-513.18.1.el8_9

redhatpatch availablevia redhat_api

Product: Red Hat Enterprise Linux 8.2 Telecommunications Update ServiceFixed in: kernel-rt-0:4.18.0-193.128.1.rt13.179.el8_2

redhatpatch availablevia redhat_api

Product: Red Hat Enterprise Linux 8.2 Telecommunications Update ServiceFixed in: kernel-0:4.18.0-193.128.1.el8_2

redhatpatch availablevia redhat_api

Product: Red Hat Enterprise Linux 8.2 Update Services for SAP SolutionsFixed in: kernel-0:4.18.0-193.128.1.el8_2

redhatpatch availablevia redhat_api

Product: Red Hat Enterprise Linux 8.4 Advanced Mission Critical Update SupportFixed in: kernel-0:4.18.0-305.125.1.el8_4

redhatpatch availablevia redhat_api

Product: Red Hat Enterprise Linux 8.4 Telecommunications Update ServiceFixed in: kernel-rt-0:4.18.0-305.125.1.rt7.201.el8_4

redhatpatch availablevia redhat_api

Product: Red Hat Enterprise Linux 8.4 Telecommunications Update ServiceFixed in: kernel-0:4.18.0-305.125.1.el8_4

redhatpatch availablevia redhat_api

Product: Red Hat Enterprise Linux 8.4 Update Services for SAP SolutionsFixed in: kernel-0:4.18.0-305.125.1.el8_4

redhatpatch availablevia redhat_api

Product: Red Hat Enterprise Linux 8.6 Extended Update SupportFixed in: kernel-0:4.18.0-372.91.1.el8_6

redhatpatch availablevia redhat_api

Product: Red Hat Enterprise Linux 8.8 Extended Update SupportFixed in: kernel-0:4.18.0-477.51.1.el8_8

redhatpatch availablevia redhat_api

Product: Red Hat Enterprise Linux 9Fixed in: kernel-0:5.14.0-362.18.1.el9_3

redhatpatch availablevia redhat_api

Product: Red Hat Enterprise Linux 9.0 Extended Update SupportFixed in: kernel-0:5.14.0-70.93.2.el9_0

redhatpatch availablevia redhat_api

Product: Red Hat Enterprise Linux 9.0 Extended Update SupportFixed in: kernel-rt-0:5.14.0-70.93.1.rt21.165.el9_0

redhatpatch availablevia redhat_api

Product: Red Hat Enterprise Linux 9.2 Extended Update SupportFixed in: kernel-0:5.14.0-284.48.1.el9_2

redhatpatch availablevia redhat_api

Product: Red Hat Enterprise Linux 9.2 Extended Update SupportFixed in: kernel-rt-0:5.14.0-284.48.1.rt14.333.el9_2

redhatpatch availablevia redhat_api

Product: Red Hat Virtualization 4 for Red Hat Enterprise Linux 8Fixed in: kernel-0:4.18.0-372.91.1.el8_6

redhatpatch availablevia redhat_api

Product: Red Hat Enterprise Linux 8.2 Advanced Update SupportFixed in: kernel-0:4.18.0-193.128.1.el8_2

redhatpatch availablevia redhat_api

Product: Red Hat Enterprise Linux 8Fixed in: kernel-rt-0:4.18.0-513.18.1.rt7.320.el8_9

redhatno patchvia redhat_api

Product: Red Hat Enterprise Linux 9Fixed in: kernel-rt

Vendor Advisories (2)

microsoft2022-Oct/CVE-2022-3545Important

Linux Kernel IPsec nfp_cppcore.c area_cache_get use after free

redhatCVE-2022-3545Moderate

kernel: nfp: use-after-free in area_cache_get()

References

git.kernel.org / pub/scm/linux/kernel/git/klassert/ipsec-next.git/commit

Patch

lists.debian.org / debian-lts-announce/2023/03/msg00000.html

Mailing ListThird Party Advisory

lists.debian.org / debian-lts-announce/2023/05/msg00006.html

Mailing ListThird Party Advisory

security.netapp.com / advisory/ntap-20221223-0003

Third Party Advisory

Third Party Advisory

debian.org / security/2023/dsa-5324

Third Party Advisory