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CVE-2023-53519

18
FAUCET Score

CVE-2023-53519 is a data-race vulnerability in the Linux kernel's v4l2-mem2mem media subsystem, specifically affecting the num_rdy parameter. This flaw, rated Medium severity (CVSS 5.5), could lead to a denial of service (A:H) if a local attacker with low privileges (AV:L/PR:L) exploits the race condition. There is currently no evidence of active exploitation, public exploit code, or significant community discussion surrounding this vulnerability.

Impacted Technologies

VendorProductVersion(s)CPE
>= 2.6.39, < 4.14.324CPE matchmatch criteria
cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*
>= 4.15, < 4.19.293CPE matchmatch criteria
cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*
>= 4.20, < 5.4.255CPE matchmatch criteria
cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*
>= 5.5, < 5.10.192CPE matchmatch criteria
cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*
>= 5.11, < 5.15.128CPE 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
0.11%
Probability of exploitation in next 30 days
EPSS Percentile
1.3%
Percentile rank of EPSS score among Peer Group
As of 2026-07-28
Model: v2026.06.15
This CVE's current EPSS score of 0.0011 is in the 8th percentile among its peer group of 15,940 CVEs.

Social Chatter

No social media mentions found for this CVE.

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

Patch Available

Vendor Patches (2)

redhatpatch availablevia redhat_api
Product: Red Hat Enterprise Linux 9Fixed in: kernel-0:5.14.0-570.12.1.el9_6
View patch
redhatvendor investigatingvia redhat_api
Product: Red Hat Enterprise Linux 9Fixed in: kernel-rt

Vendor Advisories (1)

redhatCVE-2023-53519Moderate

kernel: media: v4l2-mem2mem: add lock to protect parameter num_rdy

Oct 1, 2025

References

git.kernel.org / stable/c/1676748aa29099fc0abd71e0fb092e76e835f25c
Patch
git.kernel.org / stable/c/56b5c3e67b0f9af3f45cf393be048ee8d8a92694
Patch
git.kernel.org / stable/c/690dd4780b3f4d755e4e7883e8c3d1b5052f6bf2
Patch
git.kernel.org / stable/c/7fc7f87725805197388ba749a1801df33000fa50
Patch
git.kernel.org / stable/c/c71aa5f1cf961264690f2560503ea396b6e3c680
Patch
git.kernel.org / stable/c/e01ea1c4191ee08440b5f86db98dff695e9cedf9
Patch
git.kernel.org / stable/c/e52de26cb37459b16213438a2c82feb155dd3bbd
Patch
git.kernel.org / stable/c/ef009fe2010ea2a3a7045ecb72729cf366e0967b
Patch