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CVE-2025-38586

20
FAUCET Score

CVE-2025-38586 is a Linux kernel vulnerability affecting the ARM64 BPF JIT, where improper frame pointer initialization for BPF programs acting as exception boundaries can lead to a kernel crash due to a page fault. This medium-severity vulnerability has a CVSS score of 5.5, indicating a local attack vector with low complexity and high impact on availability. There is currently no evidence of active exploitation, public exploit code, or significant community discussion surrounding this CVE.

Impacted Technologies

VendorProductVersion(s)CPE
>= 6.12, < 6.12.42CPE matchmatch criteria
cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*
>= 6.13, < 6.15.10CPE matchmatch criteria
cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*
>= 6.16, < 6.16.1CPE 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
0.15%
Probability of exploitation in next 30 days
EPSS Percentile
5.2%
Percentile rank of EPSS score among Peer Group
As of 2026-07-28
Model: v2026.06.15
This CVE's current EPSS score of 0.0015 is in the 31st 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 Patches (3)

redhatvendor investigatingvia redhat_api
Product: Red Hat Enterprise Linux 10Fixed in: kernel
redhatvendor investigatingvia redhat_api
Product: Red Hat Enterprise Linux 9Fixed in: kernel
redhatvendor investigatingvia redhat_api
Product: Red Hat Enterprise Linux 9Fixed in: kernel-rt

Vendor Advisories (1)

redhatCVE-2025-38586Low

kernel: Linux kernel: Denial of Service in ARM64 BPF JIT due to improper frame pointer initialization

Aug 19, 2025

References

git.kernel.org / stable/c/0dbef493cae7d451f740558665893c000adb2321
Patch
git.kernel.org / stable/c/1ce30231e0a2c8c361ee5f8f7f265fc17130adce
Patch
git.kernel.org / stable/c/b114fcee766d5101eada1aca7bb5fd0a86c89b35
Patch
git.kernel.org / stable/c/e23184725dbb72d5d02940222eee36dbba2aa422
Patch