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CVE-2022-49162

17
FAUCET Score

CVE-2022-49162 is a medium-severity vulnerability in the Linux kernel's sm712fb video driver. It allows a local attacker to trigger a system crash (denial of service) by writing three bytes to the framebuffer, due to an issue with open-coded endianness fixup-code. The vulnerability has a CVSS score of 5.5 and has no known public exploits, Metasploit modules, or community discussion, indicating a low likelihood of active exploitation.

Impacted Technologies

VendorProductVersion(s)CPE
< 4.9.311CPE matchmatch criteria
cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*
>= 4.10, < 4.14.276CPE matchmatch criteria
cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*
>= 4.15, < 4.19.238CPE matchmatch criteria
cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*
>= 4.20, < 5.4.189CPE matchmatch criteria
cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*
>= 5.5, < 5.10.110CPE 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
19.0%
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

Vendor Advisories (1)

redhatCVE-2022-49162

kernel: video: fbdev: sm712fb: Fix crash in smtcfb_write()

Feb 26, 2025

References

git.kernel.org / stable/c/0ec746674296c94137f074309c26d17e644c0498
Patch
git.kernel.org / stable/c/1aea36a62f0a0ad67eccc945bac0bd6422ef720f
Patch
git.kernel.org / stable/c/3b36c05f68ba32d0dfb63abc9016d6fe9117829f
Patch
git.kernel.org / stable/c/4f01d09b2bbfbcb47b3eb305560a7f4857a32260
Patch
git.kernel.org / stable/c/809b8cde86320698661eec677222bc5c5df76176
Patch
git.kernel.org / stable/c/aeb635b49530b7d19e140949753409f759ba99be
Patch
git.kernel.org / stable/c/b1c28577529cdfad40c8242673285f1e1e4c314e
Patch
git.kernel.org / stable/c/eae90015d10f0c9a47fc4adccba4cd79dce664e4
Patch
git.kernel.org / stable/c/fb791514acf9070225eed46e1ccbb0aa7aae5da5
Patch