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CVE-2022-48890

17
FAUCET Score

CVE-2022-48890 is a memory leak vulnerability in the Linux kernel's scsi: storvsc driver, affecting both confidential and non-confidential virtual machines. Under high I/O loads, failed I/O submissions can lead to unfreed swiotlb bounce buffers, eventually causing a denial of service as the VM runs out of memory for I/O operations. Rated Medium severity (CVSS 5.5), this local vulnerability requires low privileges and has a high impact on availability. There is no evidence of active exploitation, public exploit code, or significant community discussion surrounding this CVE.

Impacted Technologies

VendorProductVersion(s)CPE
>= 5.17, < 6.1.7CPE matchmatch criteria
cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*
6.2CPE matchmatch criteria
cpe:2.3:o:linux:linux_kernel:6.2:rc1:*:*:*:*:*:*
6.2CPE matchmatch criteria
cpe:2.3:o:linux:linux_kernel:6.2:rc2:*:*:*:*:*:*
6.2CPE matchmatch criteria
cpe:2.3:o:linux:linux_kernel:6.2:rc3:*:*:*:*:*:*

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
0.21%
Probability of exploitation in next 30 days
EPSS Percentile
11.1%
Percentile rank of EPSS score among Peer Group
As of 2026-07-27
Model: v2026.06.15
This CVE's current EPSS score of 0.0021 is in the 51st 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 Patches (4)

redhatvendor investigatingvia redhat_api
Product: Red Hat Enterprise Linux 8Fixed in: kernel
redhatvendor investigatingvia redhat_api
Product: Red Hat Enterprise Linux 8Fixed in: kernel-rt
redhatvendor investigatingvia redhat_api
Product: Red Hat Enterprise Linux 9Fixed in: kernel
redhatvendor investigatingvia redhat_api
Product: Red Hat Enterprise Linux 9Fixed in: kernel-rt

Vendor Advisories (1)

redhatCVE-2022-48890Low

kernel: scsi: storvsc: Fix swiotlb bounce buffer leak in confidential VM

Aug 21, 2024

References

git.kernel.org / stable/c/67ff3d0a49f3d445c3922e30a54e03c161da561e
Patch
git.kernel.org / stable/c/87c71e88f6a6619ffb1ff88f84dff48ef6d57adb
Patch