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CVE-2022-48728

17
FAUCET Score

CVE-2022-48728 is a NULL pointer dereference vulnerability in the Linux kernel's InfiniBand HFI1 driver (hfi1_ipoib_txreq_deinit function). This flaw can lead to a kernel panic, affecting systems running vulnerable versions of the Linux kernel. Rated as MEDIUM severity (CVSS 5.5), this vulnerability has a local attack vector with low attack complexity, requiring local privileges. A successful exploit could result in a denial-of-service (DoS) condition due to system instability. There is currently no evidence of active exploitation, and no public exploit code (Metasploit, Nuclei, ExploitDB) is available. Community discussion and media coverage for this CVE are minimal.

Impacted Technologies

VendorProductVersion(s)CPE
>= 5.8, < 5.10.99CPE matchmatch criteria
cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*
>= 5.11, < 5.15.22CPE matchmatch criteria
cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*
>= 5.16, < 5.16.8CPE matchmatch criteria
cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*
5.17CPE matchmatch criteria
cpe:2.3:o:linux:linux_kernel:5.17:rc1:*:*:*:*:*:*
5.17CPE matchmatch criteria
cpe:2.3:o:linux:linux_kernel:5.17:rc2:*:*:*:*:*:*

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
0.24%
Probability of exploitation in next 30 days
EPSS Percentile
14.7%
Percentile rank of EPSS score among Peer Group
As of 2026-07-28
Model: v2026.06.15
This CVE's current EPSS score of 0.0024 is in the 63rd 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-2022-48728Low

kernel: IB/hfi1: Fix AIP early init panic

Jun 20, 2024

References

git.kernel.org / stable/c/1899c3cad265c4583658aed5293d02e8af84276b
Patch
git.kernel.org / stable/c/4a9bd1e6780fc59f81466ec3489d5ad535a37190
Patch
git.kernel.org / stable/c/5f8f55b92edd621f056bdf09e572092849fabd83
Patch
git.kernel.org / stable/c/a3dd4d2682f2a796121609e5f3bbeb1243198c53
Patch