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CVE-2022-34495

21
FAUCET Score

CVE-2022-34495 describes a double free vulnerability in the rpmsg_probe function within the Linux kernel's virtio_rpmsg_bus.c driver, affecting versions prior to 5.18.4. This vulnerability has a CVSS score of 5.5 (Medium), indicating a local attack vector with low complexity, requiring low privileges, and potentially leading to high availability impact. Currently, there is no evidence of active exploitation, public exploit code (Metasploit, Nuclei, ExploitDB), or significant community discussion or media coverage.

Impacted Technologies

VendorProductVersion(s)CPE
< 5.18.4CPE 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
0.33%
Probability of exploitation in next 30 days
EPSS Percentile
25.2%
Percentile rank of EPSS score among Peer Group
As of 2026-07-28
Model: v2026.06.15
This CVE's current EPSS score of 0.0033 is in the 82nd 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

Patch Available

Vendor Patches (9)

github_advisorypatch availablevia nvd_reference
View patch
microsoftpatch availablevia msrc
Product: 18667-16820Fixed in: -
microsoftpatch availablevia msrc
Product: 18668-16823Fixed in: 5.15.55.1-1
microsoftpatch availablevia msrc
Product: CBL Mariner 1.0 x64Fixed in: 5.10.131.1-1
microsoftpatch availablevia msrc
Product: CBL Mariner 1.0 ARMFixed in: 5.10.131.1-1
microsoftpatch availablevia msrc
Product: CBL Mariner 2.0 x64Fixed in: 5.15.55.1-1
microsoftpatch availablevia msrc
Product: CBL Mariner 2.0 ARMFixed in: 5.15.55.1-1
microsoftpatch availablevia msrc
Product: cm1 kernel 5.10.131.1-1 on CBL Mariner 1.0Fixed in: -
microsoftpatch availablevia msrc
Product: cbl2 kernel 5.15.55.1-1 on CBL Mariner 2.0Fixed in: 5.15.55.1-1

Vendor Advisories (3)

microsoft2022-Jul/CVE-2022-34495

CVE-2022-34495

Jul 12, 2022
redhatCVE-2022-34495Moderate

kernel: a double free in drivers/rpmsg/virtio_rpmsg_bus.c may lead to crash

Jun 26, 2022
microsoft2022-Jun/CVE-2022-34495Moderate

rpmsg_probe in drivers/rpmsg/virtio_rpmsg_bus.c in the Linux kernel before 5.18.4 has a double free.

Jun 14, 2022

References

cdn.kernel.org / pub/linux/kernel/v5.x/ChangeLog-5.18.4
PatchRelease NotesVendor Advisory
github.com / torvalds/linux/commit/c2eecefec5df1306eafce28ccdf1ca159a552ecc
PatchThird Party Advisory