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CVE-2022-48874

21
FAUCET Score

CVE-2022-48874 is a use-after-free and race condition vulnerability in the Linux kernel's fastrpc driver, specifically within the fastrpc_map_find and fastrpc_map_lookup functions. This flaw allows a local attacker to achieve high impact on confidentiality, integrity, and availability. Rated with a CVSS score of 7.8 (High), it has low attack complexity and requires low privileges. There is currently no evidence of active exploitation, public exploit code, or significant community discussion surrounding this vulnerability.

Impacted Technologies

VendorProductVersion(s)CPE
>= 5.18, < 6.1.8CPE 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
0.23%
Probability of exploitation in next 30 days
EPSS Percentile
13.9%
Percentile rank of EPSS score among Peer Group
As of 2026-07-28
Model: v2026.06.15
This CVE's current EPSS score of 0.0023 is in the 45th 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

Vendor Advisories (1)

redhatCVE-2022-48874Important

kernel: misc: fastrpc: Fix use-after-free and race in fastrpc_map_find

Aug 21, 2024

References

git.kernel.org / stable/c/9446fa1683a7e3937d9970248ced427c1983a1c5
Patch
git.kernel.org / stable/c/a50c5c25b6e7d2824698c0e6385f882a18f4a498
Patch