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CVE-2023-53353

20
FAUCET Score

CVE-2023-53353 is a memory leak vulnerability affecting the Linux kernel, specifically within the Habanalabs accelerator driver. The flaw occurs because the memory manager IDR is destroyed prematurely, leading to memory buffers remaining in use without proper handles. This local vulnerability has a medium severity CVSS score of 5.5, indicating that a local attacker could cause a denial of service through memory exhaustion. There is currently no evidence of active exploitation, publicly available exploit code, or significant community discussion surrounding this CVE.

Impacted Technologies

VendorProductVersion(s)CPE
>= 5.1, < 6.3.4CPE 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
0.16%
Probability of exploitation in next 30 days
EPSS Percentile
5.2%
Percentile rank of EPSS score among Peer Group
As of 2026-07-27
Model: v2026.06.15
This CVE's current EPSS score of 0.0016 is in the 32nd 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 (2)

redhatCVE-2023-53353

kernel: accel/habanalabs: postpone mem_mgr IDR destruction to hpriv_release()

Sep 17, 2025
microsoft2025-Sep/CVE-2023-53353Moderate

accel/habanalabs: postpone mem_mgr IDR destruction to hpriv_release()

Sep 9, 2025

References

git.kernel.org / stable/c/2e8e9a895c4589f124a37fc84d123b5114406e94
Patch
git.kernel.org / stable/c/840de329ca99cafd0cdde9c6ac160b1330942aba
Patch