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CVE-2022-48823

17
FAUCET Score

CVE-2022-48823 is a refcount issue in the Linux kernel's qedf SCSI driver, affecting Linux kernel versions. This vulnerability occurs when a LOGO (Logout) request is received during a TMF (Task Management Function) operation, causing I/O operations to hang. Rated as MEDIUM severity (CVSS 5.5), it has a local attack vector with low complexity, requiring local privileges, and primarily impacts availability (denial of service). There is no evidence of active exploitation, publicly available exploit code, or significant community discussion surrounding this CVE.

Impacted Technologies

VendorProductVersion(s)CPE
>= 4.11, < 5.4.180CPE matchmatch criteria
cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*
>= 5.5, < 5.10.101CPE matchmatch criteria
cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*
>= 5.11, < 5.15.24CPE matchmatch criteria
cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*
>= 5.16, < 5.16.10CPE matchmatch criteria
cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*
5.17CPE matchmatch criteria
cpe:2.3:o:linux:linux_kernel:5.17:rc1:*:*:*:*:*:*

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
0.28%
Probability of exploitation in next 30 days
EPSS Percentile
20.3%
Percentile rank of EPSS score among Peer Group
As of 2026-07-28
Model: v2026.06.15
This CVE's current EPSS score of 0.0028 is in the 76th 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-2022-48823Low

kernel: scsi: qedf: Fix refcount issue when LOGO is received during TMF

Jul 16, 2024

References

git.kernel.org / stable/c/5239ab63f17cee643bd4bf6addfedebaa7d4f41e
Patch
git.kernel.org / stable/c/6be8eaad75ca73131e2a697f0270dc8ee73814a8
Patch
git.kernel.org / stable/c/7cc32ff0cd6c44a3c26de5faecfe8b5546198fad
Patch
git.kernel.org / stable/c/7fcbed38503bb34c6e6538b6a9482d1c6bead1e8
Patch
git.kernel.org / stable/c/87f187e5265bc8e3b38faef8b9db864cdd61dde7
Patch