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CVE-2022-48908

16
FAUCET Score

CVE-2022-48908 is a null-pointer dereference vulnerability in the Linux kernel's ARCnet COM20020 PCI driver. Specifically, during driver initialization, the 'ci' (card info) pointer could be null for certain devices, leading to a system crash. Rated Medium (CVSS 5.5), this local vulnerability could result in a denial of service (system crash) with low attack complexity. There is no evidence of active exploitation, public exploit code, or significant community discussion surrounding this CVE.

Impacted Technologies

VendorProductVersion(s)CPE
>= 3.18, < 4.9.305CPE matchmatch criteria
cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*
>= 4.10, < 4.14.270CPE matchmatch criteria
cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*
>= 4.15, < 4.19.233CPE matchmatch criteria
cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*
>= 4.20, < 5.4.183CPE matchmatch criteria
cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*
>= 5.5, < 5.10.104CPE matchmatch criteria
cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*

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
11.4%
Percentile rank of EPSS score among Peer Group
As of 2026-07-28
Model: v2026.06.15
This CVE's current EPSS score of 0.0021 is in the 52nd percentile among its peer group of 15,940 CVEs.

Social Chatter

No social media mentions found for this CVE.

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 Advisories (1)

redhatCVE-2022-48908Moderate

kernel: net: arcnet: com20020: Fix null-ptr-deref in com20020pci_probe()

Aug 22, 2024

References

git.kernel.org / stable/c/5f394102ee27dbf051a4e283390cd8d1759dacea
Patch
git.kernel.org / stable/c/8e3bc7c5bbf87e86e9cd652ca2a9166942d86206
Patch
git.kernel.org / stable/c/b1ee6b9340a38bdb9e5c90f0eac5b22b122c3049
Patch
git.kernel.org / stable/c/b838add93e1dd98210482dc433768daaf752bdef
Patch
git.kernel.org / stable/c/bd6f1fd5d33dfe5d1b4f2502d3694a7cc13f166d
Patch
git.kernel.org / stable/c/ca0bdff4249a644f2ca7a49d410d95b8dacf1f72
Patch
git.kernel.org / stable/c/e50c589678e50f8d574612e473ca60ef45190896
Patch
git.kernel.org / stable/c/ea372aab54903310756217d81610901a8e66cb7d
Patch