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CVE-2022-48845

17
FAUCET Score

CVE-2022-48845 is a vulnerability in the Linux kernel affecting MIPS architectures, specifically related to the handling of CPU sibling and core maps when CONFIG_SCHED_CORE is enabled. The flaw could lead to a system warning and potential denial of service (A:H) due to incorrect scheduling parameter calculation during CPU startup. With a CVSS score of 5.5 (Medium), it requires local access (AV:L, PR:L) with low attack complexity (AC:L) and no user interaction (UI:N). There is currently no evidence of active exploitation, public exploit code, or significant community discussion surrounding this vulnerability.

Impacted Technologies

VendorProductVersion(s)CPE
< 4.9.308CPE matchmatch criteria
cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*
>= 4.10, < 4.14.273CPE matchmatch criteria
cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*
>= 4.15, < 4.19.236CPE matchmatch criteria
cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*
>= 4.20, < 5.4.186CPE matchmatch criteria
cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*
>= 5.5, < 5.10.107CPE 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
0.22%
Probability of exploitation in next 30 days
EPSS Percentile
13.1%
Percentile rank of EPSS score among Peer Group
As of 2026-07-28
Model: v2026.06.15
This CVE's current EPSS score of 0.0022 is in the 58th 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-2022-48845Moderate

kernel: MIPS: smp: fill in sibling and core maps earlier

Jul 16, 2024

References

git.kernel.org / stable/c/32813321f18d5432cec1b1a6ecc964f9ea26d565
Patch
git.kernel.org / stable/c/56eaacb8137ba2071ce48d4e3d91979270e139a7
Patch
git.kernel.org / stable/c/7315f8538db009605ffba00370678142ef00ac98
Patch
git.kernel.org / stable/c/94647aec80d03d6914aa664b7b8e103cd9d63239
Patch
git.kernel.org / stable/c/be538b764a46be1d0700fd3b6e82fb76bd17f13a
Patch
git.kernel.org / stable/c/c2420bc3333111184cdcb112282d13afe1338dd7
Patch
git.kernel.org / stable/c/e8ad9ecc406974deb5e7c070f51cc1d09d21dc4b
Patch
git.kernel.org / stable/c/f2703def339c793674010cc9f01bfe4980231808
Patch