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CVE-2022-49952

21
FAUCET Score

CVE-2022-49952 is a memory corruption vulnerability in the Linux kernel's fastrpc driver, affecting systems running Linux. This high-severity flaw (CVSS 7.8) allows a local attacker to achieve high confidentiality, integrity, and availability impacts with low attack complexity, due to a missing sanity check that can lead to out-of-bounds write. Currently, there is no evidence of active exploitation, public exploit code, or significant community discussion surrounding this vulnerability.

Impacted Technologies

VendorProductVersion(s)CPE
>= 5.1, < 5.4.213CPE matchmatch criteria
cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*
>= 5.5, < 5.10.142CPE matchmatch criteria
cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*
>= 5.11, < 5.15.66CPE matchmatch criteria
cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*
>= 5.16, < 5.19.8CPE matchmatch criteria
cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*
6.0CPE matchmatch criteria
cpe:2.3:o:linux:linux_kernel:6.0:rc1:*:*:*:*:*:*

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
0.21%
Probability of exploitation in next 30 days
EPSS Percentile
10.9%
Percentile rank of EPSS score among Peer Group
As of 2026-07-28
Model: v2026.06.15
This CVE's current EPSS score of 0.0021 is in the 38th 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-2022-49952

kernel: misc: fastrpc: fix memory corruption on probe

Jun 18, 2025

References

git.kernel.org / stable/c/0e33b0f322fecd7a92d9dc186535cdf97940a856
Patch
git.kernel.org / stable/c/9baa1415d9abdd1e08362ea2dcfadfacee8690b5
Patch
git.kernel.org / stable/c/c0425c2facd9166fa083f90c9f3187ace0c7837a
Patch
git.kernel.org / stable/c/c99bc901d5eb9fbdd7bd39f625e170ce97390336
Patch
git.kernel.org / stable/c/ec186b9f4aa2e6444d5308a6cc268aada7007639
Patch