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CVE-2022-49070

16
FAUCET Score

CVE-2022-49070 is a NULL pointer dereference vulnerability in the Linux kernel's fbdev subsystem, specifically affecting framebuffers without an underlying device, such as OF framebuffers. This flaw can lead to a kernel crash and denial of service (A:H). It has a CVSS v3.1 score of 5.5 (Medium), indicating a local attack vector (AV:L) with low attack complexity (AC:L) and requiring low privileges (PR:L). There is currently no evidence of active exploitation, public exploit code, or significant community discussion surrounding this vulnerability.

Impacted Technologies

VendorProductVersion(s)CPE
5.15.33CPE matchmatch criteria
cpe:2.3:o:linux:linux_kernel:5.15.33:*:*:*:*:*:*:*
5.16.19CPE matchmatch criteria
cpe:2.3:o:linux:linux_kernel:5.16.19:*:*:*:*:*:*:*
5.17.2CPE matchmatch criteria
cpe:2.3:o:linux:linux_kernel:5.17.2:*:*:*:*:*:*:*
>= 5.15.33, < 5.15.34CPE match
cpe:2.3:a:linux:linux_kernel:*:*:*:*:*:*:*:*
>= 5.16.19, < 5.16.20CPE match
cpe:2.3:a: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
0.26%
Probability of exploitation in next 30 days
EPSS Percentile
17.2%
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

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 (2)

redhatpatch availablevia redhat_api
Product: Red Hat Enterprise Linux 9Fixed in: kernel-0:5.14.0-284.11.1.el9_2
View patch
redhatno patchvia redhat_api
Product: Red Hat Enterprise Linux 9Fixed in: kernel-rt

Vendor Advisories (1)

redhatCVE-2022-49070Low

kernel: fbdev: Fix unregistering of framebuffers without device

Feb 26, 2025

References

git.kernel.org / stable/c/0f525289ff0ddeb380813bd81e0f9bdaaa1c9078
Patch
git.kernel.org / stable/c/2388f826cdc9af2651991adc0feb79de9bdf2232
Patch
git.kernel.org / stable/c/de33df481545974ba47c46f05194e769e4307843
Patch
git.kernel.org / stable/c/feed87ff122b1640c221d4dd559442ab2cd50bb1
Patch