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CVE-2023-52879

17
FAUCET Score

CVE-2023-52879 is a NULL pointer dereference vulnerability in the Linux kernel's tracing subsystem, specifically affecting the handling of kprobe events. An authenticated local attacker can trigger a kernel crash by manipulating tracefs files, leading to a denial of service. The vulnerability has a CVSS score of 5.5 (Medium) due to its local attack vector and high impact on availability. There is currently no evidence of active exploitation, publicly available exploit code, or significant community discussion surrounding this CVE.

Impacted Technologies

VendorProductVersion(s)CPE
>= 5.10.198, < 5.10.202CPE match
cpe:2.3:a:linux:linux_kernel:*:*:*:*:*:*:*:*
>= 5.15.134, < 5.15.140CPE match
cpe:2.3:a:linux:linux_kernel:*:*:*:*:*:*:*:*
>= 5.4.258, < 5.4.262CPE match
cpe:2.3:a:linux:linux_kernel:*:*:*:*:*:*:*:*
>= 6.1.55, < 6.1.64CPE match
cpe:2.3:a:linux:linux_kernel:*:*:*:*:*:*:*:*
>= 6.5.5, < 6.5.13CPE match
cpe:2.3:a: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
0.22%
Probability of exploitation in next 30 days
EPSS Percentile
12.3%
Percentile rank of EPSS score among Peer Group
As of 2026-07-27
Model: v2026.06.15
This CVE's current EPSS score of 0.0022 is in the 55th 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-2023-52879Low

kernel: tracing: Have trace_event_file have ref counters

May 21, 2024

References

git.kernel.org / stable/c/2c9de867ca285c397cd71af703763fe416265706
Patch
git.kernel.org / stable/c/2fa74d29fc1899c237d51bf9a6e132ea5c488976
Patch
git.kernel.org / stable/c/9034c87d61be8cff989017740a91701ac8195a1d
Patch
git.kernel.org / stable/c/961c4511c7578d6b8f39118be919016ec3db1c1e
Patch
git.kernel.org / stable/c/a98172e36e5f1b3d29ad71fade2d611cfcc2fe6f
Patch
git.kernel.org / stable/c/bb32500fb9b78215e4ef6ee8b4345c5f5d7eafb4
Patch
git.kernel.org / stable/c/cbc7c29dff0fa18162f2a3889d82eeefd67305e0
Patch