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CVE-2023-53668

23
FAUCET Score

CVE-2023-53668 describes a soft lockup vulnerability in the Linux kernel's ring-buffer component, specifically affecting the trace_pipe functionality. This flaw, due to improper clearing of ringbuffer page entries during reset, can lead to a kernel deadloop when reading from trace_pipe. Rated 7.1 HIGH (CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:N/A:H), it allows a local attacker with low privileges to cause a denial of service (system crash) and potentially disclose sensitive information. There is currently no evidence of active exploitation, public exploit code, or significant community discussion surrounding this vulnerability.

Impacted Technologies

VendorProductVersion(s)CPE
>= 3.6, < 4.14.322CPE matchmatch criteria
cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*
>= 4.15, < 4.19.291CPE matchmatch criteria
cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*
>= 4.20, < 5.4.251CPE matchmatch criteria
cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*
>= 5.5, < 5.10.188CPE matchmatch criteria
cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*
>= 5.11, < 5.15.121CPE matchmatch criteria
cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*

CVSS Data

CVSS version used by this source: 3.1

7.1HIGH

CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:N/A:H

Attack Vector
LOCAL
Attack Complexity
LOW
Privileges Required
LOW
User Interaction
NONE
Scope
UNCHANGED
Confidentiality Impact
HIGH
Integrity Impact
NONE
Availability Impact
HIGH
Exploitability Score
1.8
Impact Score
5.2
CvssVersion
3.1

Exploit Intelligence

EPSS Score
0.14%
Probability of exploitation in next 30 days
EPSS Percentile
3.7%
Percentile rank of EPSS score among Peer Group
As of 2026-07-28
Model: v2026.06.15
This CVE's current EPSS score of 0.0014 is in the 17th 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 Patches (6)

redhatno patchvia redhat_api
Product: Red Hat Enterprise Linux 7Fixed in: kernel
redhatno patchvia redhat_api
Product: Red Hat Enterprise Linux 7Fixed in: kernel-rt
redhatno patchvia redhat_api
Product: Red Hat Enterprise Linux 8Fixed in: kernel
redhatno patchvia redhat_api
Product: Red Hat Enterprise Linux 8Fixed in: kernel-rt
redhatno patchvia redhat_api
Product: Red Hat Enterprise Linux 9Fixed in: kernel
redhatno patchvia redhat_api
Product: Red Hat Enterprise Linux 9Fixed in: kernel-rt

Vendor Advisories (1)

redhatCVE-2023-53668Moderate

kernel: ring-buffer: Fix deadloop issue on reading trace_pipe

Oct 7, 2025

References

git.kernel.org / stable/c/0a29dae5786d263016a9aceb1e56bf3fd4cc6fa0
Patch
git.kernel.org / stable/c/27bdd93e44cc28dd9b94893fae146b83d4f5b31e
Patch
git.kernel.org / stable/c/5e68f1f3a20fe9b6bde018e353269fbfa289609c
Patch
git.kernel.org / stable/c/7e42907f3a7b4ce3a2d1757f6d78336984daf8f5
Patch
git.kernel.org / stable/c/8b0b63fdac6b70a45614e7d4b30e5bbb93deb007
Patch
git.kernel.org / stable/c/a55e8a3596048c2f7b574049aeb1885b5abba1cc
Patch
git.kernel.org / stable/c/bb14a93bccc92766b1d9302c6bcbea17d4bce306
Patch
git.kernel.org / stable/c/e84829522fc72bb43556b31575731de0440ac0dd
Patch