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CVE-2022-48627

17
FAUCET Score

CVE-2022-48627 is a memory overlapping vulnerability in the Linux kernel's virtual terminal (vt) component, specifically affecting Debian Linux distributions. When deleting long lines in the buffer, a memory copy operation can lead to data corruption due to the destination and source buffers overlapping. This vulnerability has a CVSS score of 5.5 (Medium), indicating a local attack vector with low complexity, requiring user interaction, and potentially leading to 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 surrounding this CVE.

Impacted Technologies

VendorProductVersion(s)CPE
>= 3.7, <= 4.19.312CPE matchmatch criteria
cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*
>= 4.20, < 5.4.274CPE matchmatch criteria
cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*
>= 5.5, < 5.10.132CPE matchmatch criteria
cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*
>= 5.11, < 5.15.56CPE matchmatch criteria
cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*
>= 5.16, < 5.18.13CPE 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:N/UI:R/S:U/C:N/I:N/A:H

Attack Vector
LOCAL
Attack Complexity
LOW
Privileges Required
NONE
User Interaction
REQUIRED
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
0.28%
Probability of exploitation in next 30 days
EPSS Percentile
20.0%
Percentile rank of EPSS score among Peer Group
As of 2026-07-27
Model: v2026.06.15
This CVE's current EPSS score of 0.0028 is in the 24th percentile among its peer group of 5,765 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 (8)

redhatpatch availablevia redhat_api
Product: Red Hat Enterprise Linux 9.2 Extended Update SupportFixed in: kernel-rt-0:5.14.0-284.73.1.rt14.358.el9_2
View patch
redhatpatch availablevia redhat_api
Product: Red Hat Enterprise Linux 8Fixed in: kernel-rt-0:4.18.0-553.5.1.rt7.346.el8_10
View patch
redhatpatch availablevia redhat_api
Product: Red Hat Enterprise Linux 8Fixed in: kernel-0:4.18.0-553.5.1.el8_10
View patch
redhatpatch availablevia redhat_api
Product: Red Hat Enterprise Linux 8.8 Extended Update SupportFixed in: kernel-0:4.18.0-477.67.1.el8_8
View patch
redhatpatch availablevia redhat_api
Product: Red Hat Enterprise Linux 9Fixed in: kernel-0:5.14.0-427.26.1.el9_4
View patch
redhatpatch availablevia redhat_api
Product: Red Hat Enterprise Linux 9.2 Extended Update SupportFixed in: kernel-0:5.14.0-284.73.1.el9_2
View patch
oraclevendor investigatingvia oracle_oval
Product: cpe:/a:oracle:linux:6:10:UEKR4_ELS
redhatno patchvia redhat_api
Product: Red Hat Enterprise Linux 9Fixed in: kernel-rt

Vendor Advisories (2)

redhatCVE-2022-48627Moderate

kernel: vt: fix memory overlapping when deleting chars in the buffer

Mar 2, 2024
oracleoval:com.oracle.ovmsa:def:20240011IMPORTANT

OVMSA-2024-0011: Unbreakable Enterprise kernel security update (IMPORTANT)

References

git.kernel.org / stable/c/14d2cc21ca622310babf373e3a8f0b40acfe8265
Patch
git.kernel.org / stable/c/39cdb68c64d84e71a4a717000b6e5de208ee60cc
Patch
git.kernel.org / stable/c/57964a5710252bc82fe22d9fa98c180c58c20244
Patch
git.kernel.org / stable/c/815be99d934e3292906536275f2b8d5131cdf52c
Patch
git.kernel.org / stable/c/bfee93c9a6c395f9aa62268f1cedf64999844926
Patch
git.kernel.org / stable/c/c8686c014b5e872ba7e334f33ca553f14446fc29
Patch
lists.debian.org / debian-lts-announce/2024/06/msg00020.html
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