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CVE-2022-48858

19
FAUCET Score

CVE-2022-48858 is a race condition vulnerability in the Linux kernel's mlx5 network driver, specifically affecting the command flush flow. This flaw can lead to a use-after-free error, resulting in system instability and potential denial of service. With a CVSS score of 7.0 (HIGH), exploitation requires local access and high attack complexity, but could lead to high impact on confidentiality, integrity, and availability. There is currently no public exploit code, active exploitation, or significant community discussion surrounding this vulnerability.

Impacted Technologies

VendorProductVersion(s)CPE
< 5.4.185CPE matchmatch criteria
cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*
>= 5.5, < 5.10.106CPE matchmatch criteria
cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*
>= 5.11, < 5.15.29CPE matchmatch criteria
cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*
>= 5.16, < 5.16.15CPE matchmatch criteria
cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*
>= 5.4.71, < 5.4.185CPE match
cpe:2.3:a:linux:linux_kernel:*:*:*:*:*:*:*:*

CVSS Data

CVSS version used by this source: 3.1

7.0HIGH

CVSS:3.1/AV:L/AC:H/PR:L/UI:N/S:U/C:H/I:H/A:H

Attack Vector
LOCAL
Attack Complexity
HIGH
Privileges Required
LOW
User Interaction
NONE
Scope
UNCHANGED
Confidentiality Impact
HIGH
Integrity Impact
HIGH
Availability Impact
HIGH
Exploitability Score
1.0
Impact Score
5.9
CvssVersion
3.1

Exploit Intelligence

EPSS Score
0.18%
Probability of exploitation in next 30 days
EPSS Percentile
7.6%
Percentile rank of EPSS score among Peer Group
As of 2026-07-28
Model: v2026.06.15
This CVE's current EPSS score of 0.0018 is in the 28th percentile among its peer group of 1,525 CVEs.

Social Chatter

The average CVE in this peer group has 0.0 Twitter, 0.1 Reddit, 0.1 Bluesky, 0.1 Mastodon, and 0.2 GitHub mentions.

Media Mentions

No media coverage found for this CVE.

The average CVE in this peer group has 0.4 InfoSec Media, 0.1 Vendor Blog, and 0.0 Security Researcher mentions.

Remediation

Vendor Patches (4)

redhatend of lifevia redhat_api
Product: Red Hat Enterprise Linux 8Fixed in: kernel
redhatend of lifevia redhat_api
Product: Red Hat Enterprise Linux 8Fixed in: kernel-rt
redhatend of lifevia redhat_api
Product: Red Hat Enterprise Linux 9Fixed in: kernel
redhatend of lifevia redhat_api
Product: Red Hat Enterprise Linux 9Fixed in: kernel-rt

Vendor Advisories (1)

redhatCVE-2022-48858Moderate

kernel: net/mlx5: Fix a race on command flush flow

Jul 16, 2024

References

git.kernel.org / stable/c/0401bfb27a91d7bdd74b1635c1aae57cbb128da6
Patch
git.kernel.org / stable/c/063bd355595428750803d8736a9bb7c8db67d42d
Patch
git.kernel.org / stable/c/1a4017926eeea56c7540cc41b42106746ee8a0ee
Patch
git.kernel.org / stable/c/7c519f769f555ff7d9d4ccba3497bbb589df360a
Patch
git.kernel.org / stable/c/f3331bc17449f15832c31823f27573f4c0e13e5f
Patch