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CVE-2024-49987

17
FAUCET Score

CVE-2024-49987 is a vulnerability in the Linux kernel's bpftool component, specifically related to an undefined behavior when qsort is called with a NULL pointer and zero size. This issue, categorized as CWE-476 (NULL Pointer Dereference), affects the Linux kernel. With a CVSS score of 5.5 (MEDIUM), it has a local attack vector, low attack complexity, and could lead to high availability impact, though it does not affect confidentiality or integrity. There is currently no evidence of active exploitation, public exploit code (Metasploit, Nuclei, ExploitDB), or significant community discussion or media coverage surrounding this vulnerability.

Impacted Technologies

VendorProductVersion(s)CPE
< 6.6.55CPE matchmatch criteria
cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*
>= 6.7, < 6.10.14CPE matchmatch criteria
cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*
>= 6.11, < 6.11.3CPE 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
0.24%
Probability of exploitation in next 30 days
EPSS Percentile
14.6%
Percentile rank of EPSS score among Peer Group
As of 2026-07-28
Model: v2026.06.15
This CVE's current EPSS score of 0.0024 is in the 63rd 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

Patch Available

Vendor Patches (8)

codesyspatch availablevia llm_extracted
View patch
esphomepatch availablevia llm_extracted
View patch
microsoftpatch availablevia msrc
Product: Azure Linux 3.0 ARMFixed in: 6.6.57.1-2
microsoftpatch availablevia msrc
Product: Azure Linux 3.0 x64Fixed in: 6.6.57.1-2
microsoftpatch availablevia msrc
Product: azl3 kernel 6.6.57.1-2 on Azure Linux 3.0Fixed in: 6.6.57.1-2
microsoftpatch availablevia msrc
Product: 17575-17084Fixed in: 6.6.57.1-2
microsoftpatch availablevia msrc
Product: azl3 kernel 6.6.51.1-5 on Azure Linux 3.0Fixed in: 6.6.57.1-2
microsoftpatch availablevia msrc
Product: 17610-17084Fixed in: 6.6.57.1-2

Vendor Advisories (5)

codesysllm-codesys-fe85e88fbae25bb9CRITICAL

HP ThinPro 8.1 SP7 Security Updates

Jun 3, 2025
esphomellm-esphome-ed450ce9fd6a7380CRITICAL

HP ThinPro 8.1 SP7 Security Updates

Jun 3, 2025
microsoft2024-Nov/CVE-2024-49987

CVE-2024-49987

Nov 12, 2024
redhatCVE-2024-49987Moderate

kernel: bpftool: Fix undefined behavior in qsort(NULL, 0, ...)

Oct 21, 2024
microsoft2024-Oct/CVE-2024-49987Moderate

bpftool: Fix undefined behavior in qsort(NULL 0 ...)

Oct 8, 2024

References

git.kernel.org / stable/c/2e0f6f33f2aa87493b365a38a8fd87b8854b7734
Patch
git.kernel.org / stable/c/c208b02827eb642758cef65641995fd3f38c89af
Patch
git.kernel.org / stable/c/c2d9f9a7837ab29ccae0c42252f17d436bf0a501
Patch
git.kernel.org / stable/c/f04e2ad394e2755d0bb2d858ecb5598718bf00d5
Patch