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CVE-2022-48788

22
FAUCET Score

CVE-2022-48788 is a use-after-free vulnerability in the NVMe-RDMA transport error recovery work of the Linux kernel. This flaw could allow a local attacker with low privileges to achieve high impact on confidentiality, integrity, and availability. While rated as high severity (CVSS 7.8), there is no evidence of active exploitation, public exploit code, or significant community discussion surrounding this CVE.

Impacted Technologies

VendorProductVersion(s)CPE
< 4.19.231CPE matchmatch criteria
cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*
>= 4.20, < 5.4.181CPE matchmatch criteria
cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*
>= 5.5, < 5.10.102CPE matchmatch criteria
cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*
>= 5.11, < 5.15.25CPE matchmatch criteria
cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*
>= 5.16, < 5.16.11CPE matchmatch criteria
cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*

CVSS Data

CVSS version used by this source: 3.1

7.8HIGH

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

Attack Vector
LOCAL
Attack Complexity
LOW
Privileges Required
LOW
User Interaction
NONE
Scope
UNCHANGED
Confidentiality Impact
HIGH
Integrity Impact
HIGH
Availability Impact
HIGH
Exploitability Score
1.8
Impact Score
5.9
CvssVersion
3.1

Exploit Intelligence

EPSS Score
0.32%
Probability of exploitation in next 30 days
EPSS Percentile
24.9%
Percentile rank of EPSS score among Peer Group
As of 2026-07-28
Model: v2026.06.15
This CVE's current EPSS score of 0.0032 is in the 62nd percentile among its peer group of 17,070 CVEs.

Social Chatter

The average CVE in this peer group has 0.0 Twitter, 0.1 Reddit, 0.2 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 0.3 InfoSec Media, 0.0 Vendor Blog, and 0.0 Security Researcher mentions.

Remediation

Patch Available

Vendor Patches (9)

microsoftpatch availablevia msrc
Product: cbl2 kernel 5.15.173.1-1 on CBL Mariner 2.0Fixed in: 5.15.32.1-3
microsoftpatch availablevia msrc
Product: CBL Mariner 2.0 ARMFixed in: 5.15.32.1-3
microsoftpatch availablevia msrc
Product: cbl2 kernel 5.15.32.1-3 on CBL Mariner 2.0Fixed in: -
microsoftpatch availablevia msrc
Product: 17123-17086Fixed in: 5.15.32.1-3
microsoftpatch availablevia msrc
Product: 18455-16823Fixed in: -
microsoftpatch availablevia msrc
Product: 19894-17086Fixed in: 5.15.32.1-3
microsoftpatch availablevia msrc
Product: CBL Mariner 2.0 x64Fixed in: 5.15.32.1-3
redhatend of lifevia redhat_api
Product: Red Hat Enterprise Linux 8Fixed in: kernel-rt
redhatend of lifevia redhat_api
Product: Red Hat Enterprise Linux 8Fixed in: kernel

Vendor Advisories (3)

microsoft2024-Dec/CVE-2022-48788

CVE-2022-48788

Dec 10, 2024
redhatCVE-2022-48788Moderate

kernel: nvme-rdma: fix possible use-after-free in transport error_recovery work

Jul 16, 2024
microsoft2024-Jul/CVE-2022-48788Important

nvme-rdma: fix possible use-after-free in transport error_recovery work

Jul 9, 2024

References

git.kernel.org / stable/c/324f5bdc52ecb6a6dadb31a62823ef8c709d1439
Patch
git.kernel.org / stable/c/5593f72d1922403c11749532e3a0aa4cf61414e9
Patch
git.kernel.org / stable/c/646952b2210f19e584d2bf9eb5d092abdca2fcc1
Patch
git.kernel.org / stable/c/b6bb1722f34bbdbabed27acdceaf585d300c5fd2
Patch
git.kernel.org / stable/c/d411b2a5da68b8a130c23097014434ac140a2ace
Patch
git.kernel.org / stable/c/ea86027ac467a055849c4945906f799e7f65ab99
Patch