Predictive Vulnerability Intelligence.

Product

  • Product
  • Pricing
  • Documentation

Company

  • About
  • Partnerships
  • Blog
  • Support

Legal

  • Terms
  • Privacy
  • Data Licensing

© 2026 FAUCET Technologies LLC. All rights reserved.

CVE-2024-40977

17
FAUCET Score

CVE-2024-40977 is a deadlock vulnerability in the Linux kernel's mt76 wireless driver, specifically affecting mt7921s chip recovery. This flaw can lead to hung tasks, system reboots, and a denial of service. Rated Medium severity (CVSS 5.5), it requires local access and low privileges to exploit. There is currently no public exploit code, active exploitation, or significant community discussion surrounding this vulnerability.

Impacted Technologies

VendorProductVersion(s)CPE
< 6.1.96CPE matchmatch criteria
cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*
>= 6.2, < 6.6.36CPE matchmatch criteria
cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*
>= 6.7, < 6.9.7CPE 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
0.25%
Probability of exploitation in next 30 days
EPSS Percentile
16.1%
Percentile rank of EPSS score among Peer Group
As of 2026-07-28
Model: v2026.06.15
This CVE's current EPSS score of 0.0025 is in the 68th 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 (4)

redhatpatch availablevia redhat_api
Product: Red Hat Enterprise Linux 8Fixed in: kernel-rt-0:4.18.0-553.22.1.rt7.363.el8_10
View patch
redhatpatch availablevia redhat_api
Product: Red Hat Enterprise Linux 8Fixed in: kernel-0:4.18.0-553.22.1.el8_10
View patch
redhatpatch availablevia redhat_api
Product: Red Hat Enterprise Linux 9Fixed in: kernel-0:5.14.0-427.42.1.el9_4
View patch
redhatno patchvia redhat_api
Product: Red Hat Enterprise Linux 9Fixed in: kernel-rt

Vendor Advisories (2)

redhatCVE-2024-40977Moderate

kernel: wifi: mt76: mt7921s: fix potential hung tasks during chip recovery

Jul 12, 2024
microsoft2024-Jul/CVE-2024-40977Moderate

wifi: mt76: mt7921s: fix potential hung tasks during chip recovery

Jul 9, 2024

References

git.kernel.org / stable/c/0b81faa05b0b9feb3ae2d69be1d21f0d126ecb08
Patch
git.kernel.org / stable/c/85edd783f4539a994d66c4c014d5858f490b7a02
Patch
git.kernel.org / stable/c/e974dd4c22a23ec3ce579fb6d31a674ac0435da9
Patch
git.kernel.org / stable/c/ecf0b2b8a37c8464186620bef37812a117ff6366
Patch
lists.debian.org / debian-lts-announce/2025/01/msg00001.html