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CVE-2022-49229

17
FAUCET Score

CVE-2022-49229 is a vulnerability in the Linux kernel's Precision Time Protocol (PTP) subsystem. It occurs when a driver providing a PTP clock is unloaded while virtual clocks are still enabled, leading to an "Oops" (kernel crash) due to an inability to handle a page fault. This issue is rated as Medium severity (CVSS 5.5) with a local attack vector and high availability impact, meaning an authenticated local attacker could cause a denial of service. There is currently no evidence of active exploitation, public exploit code, or significant community discussion surrounding this vulnerability.

Impacted Technologies

VendorProductVersion(s)CPE
>= 5.14.1, < 5.15.33CPE matchmatch criteria
cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*
>= 5.16, < 5.16.19CPE matchmatch criteria
cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*
>= 5.17, < 5.17.2CPE matchmatch criteria
cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*
5.14CPE matchmatch criteria
cpe:2.3:o:linux:linux_kernel:5.14:-:*:*:*:*:*:*
5.14CPE matchmatch criteria
cpe:2.3:o:linux:linux_kernel:5.14:rc2:*:*:*:*:*:*

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
0.26%
Probability of exploitation in next 30 days
EPSS Percentile
17.1%
Percentile rank of EPSS score among Peer Group
As of 2026-07-27
Model: v2026.06.15
This CVE's current EPSS score of 0.0026 is in the 71st 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 (2)

redhatpatch availablevia redhat_api
Product: Red Hat Enterprise Linux 9Fixed in: kernel-0:5.14.0-162.6.1.el9_1
View patch
redhatno patchvia redhat_api
Product: Red Hat Enterprise Linux 9Fixed in: kernel-rt

Vendor Advisories (1)

redhatCVE-2022-49229Moderate

kernel: ptp: unregister virtual clocks when unregistering physical clock.

Feb 26, 2025

References

git.kernel.org / stable/c/9c796a57cbb5daf124a665689f0b2bc9262e0ced
Patch
git.kernel.org / stable/c/b2dea2a696d09163da4cd33cb598ce1f73e86597
Patch
git.kernel.org / stable/c/bfcbb76b0f595ea9ede9f7a218086fef85242f10
Patch
git.kernel.org / stable/c/c49eafe6249f844c26f9866886cc6719d81762df
Patch