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CVE-2022-48795

17
FAUCET Score

CVE-2022-48795 is a Linux kernel vulnerability affecting the parisc architecture, specifically a data TLB miss in the sba_unmap_sg function. This bug, caused by an incorrect conditional check during scatter-gather list processing, can lead to a kernel panic due to a null pointer dereference. The vulnerability is rated Medium severity (CVSS 5.5), indicating a local attack vector with low complexity, requiring local privileges. While it doesn't impact confidentiality or integrity, it can lead to high availability impact (system crash). Currently, there is no known active exploitation, publicly available exploit code in Metasploit, Nuclei, or ExploitDB, nor significant community discussion or media coverage surrounding this CVE.

Impacted Technologies

VendorProductVersion(s)CPE
< 4.9.303CPE matchmatch criteria
cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*
>= 4.10, < 4.14.268CPE matchmatch criteria
cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*
>= 4.15, < 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:*:*:*:*:*:*:*:*

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
15.2%
Percentile rank of EPSS score among Peer Group
As of 2026-07-27
Model: v2026.06.15
This CVE's current EPSS score of 0.0024 is in the 65th 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 Advisories (1)

redhatCVE-2022-48795Moderate

kernel: parisc: Fix data TLB miss in sba_unmap_sg

Jul 16, 2024

References

git.kernel.org / stable/c/867e50231c7605547d9334904d70a181f39f2d9e
Patch
git.kernel.org / stable/c/8c8e949ae81e7f5ab58f9f9f8e9b573b93173dd2
Patch
git.kernel.org / stable/c/b7d6f44a0fa716a82969725516dc0b16bc7cd514
Patch
git.kernel.org / stable/c/de75676ee99bf9f25b1124ff301b3f7b8ba597d4
Patch
git.kernel.org / stable/c/e40ae3133ed87d6d526f3c8fc6a5f9a2d72dcdbf
Patch
git.kernel.org / stable/c/efccc9b0c7e28d0eb7918a236e59f60dc23db4c3
Patch
git.kernel.org / stable/c/f23f0444ead4d941165aa82ce2fcbb997dc00e97
Patch
git.kernel.org / stable/c/f8f519d7df66c334b5e08f896ac70ee3b53add3b
Patch