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CVE-2022-49381

17
FAUCET Score

CVE-2022-49381 is a memory leak vulnerability in the Linux kernel's JFFS2 file system. Specifically, it occurs when jffs2_iget() or d_make_root() return an error during the jffs2_do_fill_super() function, leading to unreleased resources. The vulnerability has a CVSS score of 5.5 (Medium), indicating a local attack vector with low attack complexity. A successful exploit could lead to a denial of service due to resource exhaustion, but does not impact confidentiality or integrity. There is no evidence of active exploitation, and no public exploit code (Metasploit, Nuclei, ExploitDB) is available. Community discussion and media coverage for this CVE are minimal, suggesting low public awareness.

Impacted Technologies

VendorProductVersion(s)CPE
>= 2.6.15, < 4.9.318CPE matchmatch criteria
cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*
>= 4.10, < 4.14.283CPE matchmatch criteria
cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*
>= 4.15, < 4.19.247CPE matchmatch criteria
cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*
>= 4.20, < 5.4.198CPE matchmatch criteria
cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*
>= 5.5, < 5.10.122CPE 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
0.26%
Probability of exploitation in next 30 days
EPSS Percentile
18.0%
Percentile rank of EPSS score among Peer Group
As of 2026-07-28
Model: v2026.06.15
This CVE's current EPSS score of 0.0026 is in the 73rd 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-2022-49381Moderate

kernel: jffs2: fix memory leak in jffs2_do_fill_super

Feb 26, 2025

References

git.kernel.org / stable/c/28048a4cf3813b7cf5cc8cce629dfdc7951cb1c2
Patch
git.kernel.org / stable/c/3252d327f977b14663a10967f3b0930d6c325687
Patch
git.kernel.org / stable/c/4ba7bbeab8009faf3a726e565d98816593ddd5b0
Patch
git.kernel.org / stable/c/4da8763a3d2b684c773b72ed80fad40bc264bc40
Patch
git.kernel.org / stable/c/69295267c481545f636b69ff341b8db75aa136b9
Patch
git.kernel.org / stable/c/c14adb1cf70a984ed081c67e9d27bc3caad9537c
Patch
git.kernel.org / stable/c/cf9db013e167bc8fc2ecd7a13ed97a37df0c9dab
Patch
git.kernel.org / stable/c/d3a4fff1e7e408c32649030daa7c2c42a7e19a95
Patch
git.kernel.org / stable/c/ecc53e58596542791e82eff00702f8af7a313f70
Patch