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CVE-2022-2318

16
FAUCET Score

CVE-2022-2318 is a use-after-free vulnerability in the Linux kernel's net/rose/rose_timer.c component, allowing unprivileged attackers to crash the system. This vulnerability affects various Linux distributions, including Debian, and NetApp products. With a CVSS score of 5.5 (Medium), it requires local access and low privileges, but its impact is limited to denial of service. There is currently no evidence of active exploitation, public exploit code, or significant community discussion surrounding this CVE.

Impacted Technologies

VendorProductVersion(s)CPE
< 5.19CPE matchmatch criteria
cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*
5.19CPE matchmatch criteria
cpe:2.3:o:linux:linux_kernel:5.19:rc1:*:*:*:*:*:*
5.19CPE matchmatch criteria
cpe:2.3:o:linux:linux_kernel:5.19:rc2:*:*:*:*:*:*
5.19CPE matchmatch criteria
cpe:2.3:o:linux:linux_kernel:5.19:rc3:*:*:*:*:*:*
5.19CPE matchmatch criteria
cpe:2.3:o:linux:linux_kernel:5.19:rc4:*:*:*:*:*:*

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
0.42%
Probability of exploitation in next 30 days
EPSS Percentile
34.6%
Percentile rank of EPSS score among Peer Group
As of 2026-07-27
Model: v2026.06.15
This CVE's current EPSS score of 0.0042 is in the 89th percentile among its peer group of 15,940 CVEs.

Social Chatter

No social media mentions found for this CVE.

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 (5)

github_advisorypatch availablevia nvd_reference
View patch
microsoftpatch availablevia msrc
Product: 18668-16823Fixed in: 5.15.55.1-1
microsoftpatch availablevia msrc
Product: 18667-16820Fixed in: -
microsoftpatch availablevia msrc
Product: cm1 kernel 5.10.131.1-1 on CBL Mariner 1.0Fixed in: -
microsoftpatch availablevia msrc
Product: cbl2 kernel 5.15.55.1-1 on CBL Mariner 2.0Fixed in: 5.15.55.1-1

Vendor Advisories (2)

microsoft2022-Jul/CVE-2022-2318Moderate

There are use-after-free vulnerabilities caused by timer handler in net/rose/rose_timer.c of linux that allow attackers to crash linux kernel without any privileges.

Jul 12, 2022
redhatCVE-2022-2318Moderate

Kernel: A use-after-free vulnerabilities caused by timer handler in net/rose/rose_timer.c

Jun 29, 2022

References

github.com / torvalds/linux/commit/9cc02ede696272c5271a401e4f27c262359bc2f6
PatchThird Party Advisory
lists.debian.org / debian-lts-announce/2022/10/msg00000.html
Mailing ListThird Party Advisory
security.netapp.com / advisory/ntap-20230120-0001
Third Party Advisory
debian.org / security/2022/dsa-5191
Third Party Advisory