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CVE-2022-49685

21
FAUCET Score

CVE-2022-49685 is a use-after-free vulnerability in the Linux kernel's Industrial I/O (IIO) trigger sysfs component. It occurs because the system attempts to free a trigger before an associated irq_work has completed, leading to memory corruption. This vulnerability has a CVSS score of 7.8 (High), indicating that a local attacker with low privileges could achieve high confidentiality, integrity, and availability impacts. There is currently no public exploit code available, nor is there evidence of active exploitation or significant community discussion surrounding this CVE.

Impacted Technologies

VendorProductVersion(s)CPE
>= 3.7, < 4.9.321CPE matchmatch criteria
cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*
>= 4.10, < 4.14.286CPE matchmatch criteria
cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*
>= 4.15, < 4.19.250CPE matchmatch criteria
cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*
>= 4.20, < 5.4.202CPE matchmatch criteria
cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*
>= 5.5, < 5.10.127CPE 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
0.27%
Probability of exploitation in next 30 days
EPSS Percentile
19.0%
Percentile rank of EPSS score among Peer Group
As of 2026-07-27
Model: v2026.06.15
This CVE's current EPSS score of 0.0027 is in the 55th 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-2022-49685Important

kernel: iio: trigger: sysfs: fix use-after-free on remove

Feb 26, 2025

References

git.kernel.org / stable/c/31ff3309b47d98313c61b8301bf595820cc3cc33
Patch
git.kernel.org / stable/c/4687c3f955240ca2a576bdc3f742d4d915b6272d
Patch
git.kernel.org / stable/c/4ef1e521be610b720daeb7cf899fedc7db0274c4
Patch
git.kernel.org / stable/c/5e39397d60dacc7f5d81d442c1c958eaaaf31128
Patch
git.kernel.org / stable/c/78601726d4a59a291acc5a52da1d3a0a6831e4e8
Patch
git.kernel.org / stable/c/b07a30a774b3c3e584a68dc91779c68ea2da4813
Patch
git.kernel.org / stable/c/d6111e7bdb8ec27eb43d01c4cd4ff1620a75f7f2
Patch
git.kernel.org / stable/c/fd5d8fb298a2866c337da635c79d63c3afabcaf7
Patch