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CVE-2023-29941

19
FAUCET Score

CVE-2023-29941 describes a segmentation fault vulnerability in llvm-project commit a0138390, specifically within the matchAndRewriteSortOp function, affecting LLVM products. This vulnerability has a CVSS score of 5.5 (Medium), indicating a local attack vector with low complexity and requiring user interaction, leading to a high impact on availability. There is currently no evidence of active exploitation, public exploit code (Metasploit, Nuclei, ExploitDB), or significant community discussion or media coverage surrounding this CVE.

Impacted Technologies

VendorProductVersion(s)CPE
2023-01-12CPE matchmatch criteria
cpe:2.3:a:llvm:llvm:2023-01-12:*:*:*:*:*:*:*

CVSS Data

CVSS version used by this source: 3.1

5.5MEDIUM

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

Attack Vector
LOCAL
Attack Complexity
LOW
Privileges Required
NONE
User Interaction
REQUIRED
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
0.21%
Probability of exploitation in next 30 days
EPSS Percentile
12.1%
Percentile rank of EPSS score among Peer Group
As of 2026-07-26
Model: v2026.06.15
This CVE's current EPSS score of 0.0022 is in the 15th percentile among its peer group of 5,758 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

Patch Available

Vendor Patches (5)

github_advisorypatch availablevia nvd_reference
View patch
microsoftpatch availablevia msrc
Product: cbl2 llvm16 16.0.0-4 on CBL Mariner 2.0Fixed in: 16.0.0-4
microsoftpatch availablevia msrc
Product: cbl2 clang16 16.0.0-2 on CBL Mariner 2.0Fixed in: 16.0.0-2
microsoftpatch availablevia msrc
Product: azl3 tensorflow 2.16.1-1 on Azure Linux 3.0Fixed in: 2.16.1-1
microsoftpatch availablevia msrc
Product: azl3 tensorflow 2.11.1-1 on Azure Linux 3.0Fixed in: 2.16.1-1

Vendor Advisories (2)

microsoft2023-May/CVE-2023-29941Moderate

llvm-project commit a0138390 was discovered to contain a segmentation fault via the component matchAndRewriteSortOp<mlir::sparse_tensor::SortOp>(mlir::sparse_tensor::SortOp.

May 9, 2023
redhatCVE-2023-29941Moderate

llvm: sparse-buffer-rewrite pass crashes with Segmentation fault

May 5, 2023

References

github.com / llvm/llvm-project/issues/59988
Issue TrackingPatch
lists.fedoraproject.org / archives/list/package-announce%40lists.fedoraproject.org/message/ZWCCXDZP7H2JNFULSZZWXGAZHZUPN5DS