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CVE-2022-49757

17
FAUCET Score

CVE-2022-49757 is a memory leak vulnerability in the EDAC/highbank driver within the Linux kernel. Specifically, it occurs when devres_open_group() fails, leading to unallocated memory from edac_mc_alloc() not being freed. This vulnerability has a CVSS score of 5.5 (Medium), indicating a local attack vector with low complexity, requiring low privileges, and resulting in high availability impact (denial of service) without affecting confidentiality or integrity. There is currently no evidence of active exploitation, no public exploit code available (Metasploit, Nuclei, ExploitDB), and minimal community discussion or media coverage.

Impacted Technologies

VendorProductVersion(s)CPE
>= 3.6, < 4.14.305CPE matchmatch criteria
cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*
>= 4.15, < 4.19.272CPE matchmatch criteria
cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*
>= 4.20, < 5.4.231CPE matchmatch criteria
cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*
>= 5.5, < 5.10.166CPE matchmatch criteria
cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*
>= 5.11, < 5.15.91CPE 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
0.19%
Probability of exploitation in next 30 days
EPSS Percentile
8.8%
Percentile rank of EPSS score among Peer Group
As of 2026-07-27
Model: v2026.06.15
This CVE's current EPSS score of 0.0019 is in the 44th 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-2022-49757Low

kernel: EDAC/highbank: Fix memory leak in highbank_mc_probe()

Mar 27, 2025

References

git.kernel.org / stable/c/0db40e23b56d217eebd385bebb64057ef764b2c7
Patch
git.kernel.org / stable/c/329fbd260352a7b9a83781d8b8bd96f95844a51f
Patch
git.kernel.org / stable/c/8d23f5d25264beb223ee79cdb530b88c237719fc
Patch
git.kernel.org / stable/c/b7863ef8a8f0fee96b4eb41211f4918c0e047253
Patch
git.kernel.org / stable/c/caffa7fed1397d1395052272c93900176de86557
Patch
git.kernel.org / stable/c/e7a293658c20a7945014570e1921bf7d25d68a36
Patch
git.kernel.org / stable/c/f1b3e23ed8df87d779ee86ac37f379e79a24169a
Patch