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CVE-2023-52835

22
FAUCET Score

CVE-2023-52835 is a vulnerability in the Linux kernel's perf subsystem, specifically affecting the handling of large AUX trace areas. When a perf record command requests an AUX area exceeding system memory allocation limits, it can trigger a kernel warning due to an out-of-bounds allocation. This vulnerability is rated as HIGH severity (CVSS 7.8), indicating that a local attacker with low privileges could potentially achieve high impact on confidentiality, integrity, and availability. There is currently no evidence of active exploitation, public exploit code, or significant community discussion surrounding this CVE.

Impacted Technologies

VendorProductVersion(s)CPE
< 4.19.300CPE matchmatch criteria
cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*
>= 4.20, < 5.4.262CPE matchmatch criteria
cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*
>= 5.5, < 5.10.202CPE matchmatch criteria
cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*
>= 5.11, < 5.15.140CPE matchmatch criteria
cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*
>= 5.16, < 6.1.64CPE matchmatch criteria
cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*

CVSS Data

CVSS version used by this source: 3.1

7.8HIGH

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

Attack Vector
LOCAL
Attack Complexity
LOW
Privileges Required
LOW
User Interaction
NONE
Scope
UNCHANGED
Confidentiality Impact
HIGH
Integrity Impact
HIGH
Availability Impact
HIGH
Exploitability Score
1.8
Impact Score
5.9
CvssVersion
3.1

Exploit Intelligence

EPSS Score
0.25%
Probability of exploitation in next 30 days
EPSS Percentile
16.8%
Percentile rank of EPSS score among Peer Group
As of 2026-07-27
Model: v2026.06.15
This CVE's current EPSS score of 0.0025 is in the 51st 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

Patch Available

Vendor Patches (5)

redhatpatch availablevia redhat_api
Product: Red Hat Enterprise Linux 8Fixed in: kernel-rt-0:4.18.0-553.8.1.rt7.349.el8_10
View patch
redhatpatch availablevia redhat_api
Product: Red Hat Enterprise Linux 8Fixed in: kernel-0:4.18.0-553.8.1.el8_10
View patch
redhatpatch availablevia redhat_api
Product: Red Hat Enterprise Linux 9.4 Extended Update SupportFixed in: kernel-0:5.14.0-427.79.1.el9_4
View patch
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-2023-52835Moderate

kernel: perf/core: Bail out early if the request AUX area is out of bound

May 21, 2024

References

git.kernel.org / stable/c/1a2a4202c60fcdffbf04f259002ce9bff39edece
Patch
git.kernel.org / stable/c/2424410f94a94d91230ced094062d859714c984a
Patch
git.kernel.org / stable/c/2e905e608e38cf7f8dcddcf8a6036e91a78444cb
Patch
git.kernel.org / stable/c/54aee5f15b83437f23b2b2469bcf21bdd9823916
Patch
git.kernel.org / stable/c/788c0b3442ead737008934947730a6d1ff703734
Patch
git.kernel.org / stable/c/8c504f615d7ed60ae035c51d0c789137ced6797f
Patch
git.kernel.org / stable/c/9ce4e87a8efd37c85766ec08b15e885cab08553a
Patch
git.kernel.org / stable/c/fd0df3f8719201dbe61a4d39083d5aecd705399a
Patch