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CVE-2024-40960

17
FAUCET Score

CVE-2024-40960 is a NULL dereference vulnerability in the Linux kernel's IPv6 routing component (rt6_probe function). This flaw affects Linux kernel versions and could lead to a system crash. The vulnerability has a CVSS score of 5.5 (Medium), indicating a local attack vector with low complexity, requiring local privileges, and resulting in high availability impact (denial of service). There is no evidence of active exploitation, public exploit code (Metasploit, Nuclei, ExploitDB), or significant community discussion or media coverage regarding this vulnerability.

Impacted Technologies

VendorProductVersion(s)CPE
>= 2.6.17, < 4.19.317CPE matchmatch criteria
cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*
>= 4.20, < 5.4.279CPE matchmatch criteria
cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*
>= 5.5, < 5.10.221CPE matchmatch criteria
cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*
>= 5.11, < 5.15.162CPE matchmatch criteria
cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*
>= 5.16, < 6.1.96CPE 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:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H

Attack Vector
LOCAL
Attack Complexity
LOW
Privileges Required
LOW
User Interaction
NONE
Scope
UNCHANGED
Confidentiality Impact
NONE
Integrity Impact
NONE
Availability Impact
HIGH
Exploitability Score
1.8
Impact Score
3.6
CvssVersion
3.1

Exploit Intelligence

EPSS Score
0.27%
Probability of exploitation in next 30 days
EPSS Percentile
18.7%
Percentile rank of EPSS score among Peer Group
As of 2026-07-27
Model: v2026.06.15
This CVE's current EPSS score of 0.0027 is in the 74th percentile among its peer group of 15,940 CVEs.

Social Chatter

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

Media Mentions

No media coverage found for this CVE.

The average CVE in this peer group has 0.1 InfoSec Media, 0.0 Vendor Blog, and 0.0 Security Researcher mentions.

Remediation

Patch Available

Vendor Patches (12)

microsoftpatch availablevia msrc
Product: Azure Linux 3.0 ARMFixed in: 6.6.47.1-1
microsoftpatch availablevia msrc
Product: 17651-17084Fixed in: 6.6.47.1-1
microsoftpatch availablevia msrc
Product: 17671-17084Fixed in: 6.6.47.1-1
microsoftpatch availablevia msrc
Product: azl3 kernel 6.6.47.1-1 on Azure Linux 3.0Fixed in: 6.6.47.1-1
microsoftpatch availablevia msrc
Product: azl3 kernel 6.6.35.1-5 on Azure Linux 3.0Fixed in: 6.6.47.1-1
microsoftpatch availablevia msrc
Product: Azure Linux 3.0 x64Fixed in: 6.6.47.1-1
redhatpatch availablevia redhat_api
Product: Red Hat Enterprise Linux 8Fixed in: kernel-rt-0:4.18.0-553.22.1.rt7.363.el8_10
View patch
redhatpatch availablevia redhat_api
Product: Red Hat Enterprise Linux 8Fixed in: kernel-0:4.18.0-553.22.1.el8_10
View patch
redhatpatch availablevia redhat_api
Product: Red Hat Enterprise Linux 9Fixed in: kernel-0:5.14.0-427.42.1.el9_4
View patch
redhatpatch availablevia redhat_api
Product: Red Hat Enterprise Linux 9.2 Extended Update SupportFixed in: kernel-0:5.14.0-284.90.1.el9_2
View patch
redhatpatch availablevia redhat_api
Product: Red Hat Enterprise Linux 9.2 Extended Update SupportFixed in: kernel-rt-0:5.14.0-284.90.1.rt14.375.el9_2
View patch
redhatno patchvia redhat_api
Product: Red Hat Enterprise Linux 9Fixed in: kernel-rt

Vendor Advisories (3)

microsoft2024-Sep/CVE-2024-40960

CVE-2024-40960

Sep 10, 2024
redhatCVE-2024-40960Moderate

kernel: ipv6: prevent possible NULL dereference in rt6_probe()

Jul 12, 2024
microsoft2024-Jul/CVE-2024-40960Moderate

ipv6: prevent possible NULL dereference in rt6_probe()

Jul 9, 2024

References

cert-portal.siemens.com / productcert/html/ssa-265688.html
cert-portal.siemens.com / productcert/html/ssa-355557.html
cert-portal.siemens.com / productcert/html/ssa-613116.html
git.kernel.org / stable/c/1ed9849fdf9a1a617129346b11d2094ca26828dc
Patch
git.kernel.org / stable/c/51ee2f7c30790799d0ec30c0ce0c743e58f046f2
Patch
git.kernel.org / stable/c/569c9d9ea6648d099187527b93982f406ddcebc0
Patch
git.kernel.org / stable/c/6eed6d3cd19ff3cfa83aeceed86da14abaf7417b
Patch
git.kernel.org / stable/c/73e7c8ca6ad76f29b2c99c20845a6f3b203ff0c6
Patch
git.kernel.org / stable/c/b86762dbe19a62e785c189f313cda5b989931f37
Patch
git.kernel.org / stable/c/d66fc4826127c82f99c4033380f8e93833d331c7
Patch
git.kernel.org / stable/c/f0cda984e4e634b221dbf9642b8ecc5b4806b41e
Patch
lists.debian.org / debian-lts-announce/2025/01/msg00001.html