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CVE-2026-45978

21
FAUCET Score

In the Linux kernel, the following vulnerability has been resolved: staging: greybus: lights: avoid NULL deref gb_lights_light_config() stores channel_count before allocating the channels array. If kcalloc() fails, gb_lights_release() iterates the non-zero count and dereferences light->channels, which is NULL. Allocate channels first and only then publish channels_count so the cleanup path can't walk a NULL pointer.

First published: May 27, 2026Last modified: May 27, 2026

Impacted Technologies

VendorProductVersion(s)CPE
>= 4.9, < 5.10.252CPE matchmatch criteria
cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*
>= 5.11, < 5.15.202CPE matchmatch criteria
cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*
>= 5.16, < 6.1.165CPE matchmatch criteria
cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*
>= 6.2, < 6.6.128CPE matchmatch criteria
cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*
>= 6.7, < 6.12.75CPE 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
0.12%
Probability of exploitation in next 30 days
EPSS Percentile
2.4%
Percentile rank of EPSS score among Peer Group
As of 2026-07-28
Model: v2026.06.15
This CVE's current EPSS score of 0.0012 is in the 16th 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 (44)

ubuntupatch availablevia ubuntu_usn
Product: linux-nvidia-tegra-5.15 (focal)Fixed in: 5.15.0-1064.66~20.04.1
ubuntupatch availablevia ubuntu_usn
Product: linux-hwe-5.15 (focal)Fixed in: 5.15.0-186.196~20.04.1
ubuntupatch availablevia ubuntu_usn
Product: linux-lowlatency-hwe-5.15 (focal)Fixed in: 5.15.0-184.194~20.04.1
ubuntupatch availablevia ubuntu_usn
Product: linux (jammy)Fixed in: 5.15.0-186.196
ubuntupatch availablevia ubuntu_usn
Product: linux-gcp (jammy)Fixed in: 5.15.0-1112.122
ubuntupatch availablevia ubuntu_usn
Product: linux-gcp-fips (jammy)Fixed in: 5.15.0-1112.122+fips1
ubuntupatch availablevia ubuntu_usn
Product: linux-gke (jammy)Fixed in: 5.15.0-1108.114
ubuntupatch availablevia ubuntu_usn
Product: linux-gkeop (jammy)Fixed in: 5.15.0-1095.103
ubuntupatch availablevia ubuntu_usn
Product: linux-kvm (jammy)Fixed in: 5.15.0-1104.109
ubuntupatch availablevia ubuntu_usn
Product: linux-lowlatency (jammy)Fixed in: 5.15.0-184.194
ubuntupatch availablevia ubuntu_usn
Product: linux-realtime (jammy)Fixed in: 5.15.0-1111.120
ubuntupatch availablevia ubuntu_usn
Product: linux-xilinx-zynqmp (jammy)Fixed in: 5.15.0-1075.79
ubuntupatch availablevia ubuntu_usn
Product: linux-azure-fde (jammy)Fixed in: 5.15.0-1117.126
ubuntupatch availablevia ubuntu_usn
Product: linux-azure (jammy)Fixed in: 5.15.0-1117.126
ubuntupatch availablevia ubuntu_usn
Product: linux-oracle (jammy)Fixed in: 5.15.0-1109.115
ubuntupatch availablevia ubuntu_usn
Product: linux-azure-fde-6.8 (jammy)Fixed in: 6.8.0-1062.69~22.04.1
ubuntupatch availablevia ubuntu_usn
Product: linux-azure-fde (noble)Fixed in: 6.8.0-1062.69
ubuntupatch availablevia ubuntu_usn
Product: linux-azure-6.8 (jammy)Fixed in: 6.8.0-1063.71~22.04.1
ubuntupatch availablevia ubuntu_usn
Product: linux-azure (noble)Fixed in: 6.8.0-1063.71
ubuntupatch availablevia ubuntu_usn
Product: linux-gcp-6.8 (jammy)Fixed in: 6.8.0-1063.69~22.04.1
ubuntupatch availablevia ubuntu_usn
Product: linux-ibm-6.8 (jammy)Fixed in: 6.8.0-1060.61~22.04.1
ubuntupatch availablevia ubuntu_usn
Product: linux-oracle-6.8 (jammy)Fixed in: 6.8.0-1057.58~22.04.1
ubuntupatch availablevia ubuntu_usn
Product: linux-gke (noble)Fixed in: 6.8.0-1058.64
ubuntupatch availablevia ubuntu_usn
Product: linux-gkeop (noble)Fixed in: 6.8.0-1045.48
ubuntupatch availablevia ubuntu_usn
Product: linux-nvidia-lowlatency (noble)Fixed in: 6.8.0-1058.61.1
ubuntupatch availablevia ubuntu_usn
Product: linux-nvidia-6.8 (jammy)Fixed in: 6.8.0-1058.61~22.04.1
ubuntupatch availablevia ubuntu_usn
Product: linux-realtime-6.8 (jammy)Fixed in: 6.8.1-1055.56~22.04.1
ubuntupatch availablevia ubuntu_usn
Product: linux (noble)Fixed in: 6.8.0-134.134
ubuntupatch availablevia ubuntu_usn
Product: linux-aws (noble)Fixed in: 6.8.0-1060.63
ubuntupatch availablevia ubuntu_usn
Product: linux-aws-fips (noble)Fixed in: 6.8.0-1060.63+fips1
ubuntupatch availablevia ubuntu_usn
Product: linux-gcp (noble)Fixed in: 6.8.0-1063.69
ubuntupatch availablevia ubuntu_usn
Product: linux-gcp-fips (noble)Fixed in: 6.8.0-1063.69+fips1
ubuntupatch availablevia ubuntu_usn
Product: linux-ibm (noble)Fixed in: 6.8.0-1060.61
ubuntupatch availablevia ubuntu_usn
Product: linux-nvidia (noble)Fixed in: 6.8.0-1058.61
ubuntupatch availablevia ubuntu_usn
Product: linux-oracle (noble)Fixed in: 6.8.0-1057.58
ubuntupatch availablevia ubuntu_usn
Product: linux-realtime (noble)Fixed in: 6.8.1-1055.56
ubuntupatch availablevia ubuntu_usn
Product: linux-xilinx (noble)Fixed in: 6.8.0-1032.33
ubuntupatch availablevia ubuntu_usn
Product: linux-nvidia-tegra (noble)Fixed in: 6.8.0-1029.30
ubuntupatch availablevia ubuntu_usn
Product: linux-lowlatency-hwe-6.8 (jammy)Fixed in: 6.8.0-134.134.1~22.04.1
ubuntupatch availablevia ubuntu_usn
Product: linux-lowlatency (noble)Fixed in: 6.8.0-134.134.1
ubuntupatch availablevia ubuntu_usn
Product: linux-aws-6.8 (jammy)Fixed in: 6.8.0-1060.63~22.04.1
ubuntupatch availablevia ubuntu_usn
Product: linux-raspi-realtime (noble)Fixed in: 6.8.0-2049.50
ubuntupatch availablevia ubuntu_usn
Product: linux-azure-fips (noble)Fixed in: 6.8.0-1062.69+fips1
ubuntupatch availablevia ubuntu_usn
Product: linux-fips (noble)Fixed in: 6.8.0-134.134+fips1

Vendor Advisories (14)

ubuntuUSN-8610-1

Linux kernel (Azure CVM) vulnerabilities

Jul 24, 2026
ubuntuUSN-8575-3

Linux kernel vulnerabilities

Jul 24, 2026
ubuntuUSN-8609-1

Linux kernel (Azure CVM) vulnerabilities

Jul 24, 2026
ubuntuUSN-8607-1

Linux kernel (Azure CVM) vulnerabilities

Jul 24, 2026
ubuntuUSN-8606-1

Linux kernel (Azure) vulnerabilities

Jul 24, 2026
ubuntuUSN-8576-1

Linux kernel (NVIDIA Tegra) vulnerabilities

Jul 21, 2026
ubuntuUSN-8575-1

Linux kernel vulnerabilities

Jul 21, 2026
ubuntuUSN-8492-5

Linux kernel (FIPS) vulnerabilities

Jul 10, 2026
ubuntuUSN-8492-3

Linux kernel (Raspberry Pi Real-time) vulnerabilities

Jul 6, 2026
ubuntuUSN-8499-1

Linux kernel (Xilinx) vulnerabilities

Jul 2, 2026
ubuntuUSN-8498-1

Linux kernel (NVIDIA Tegra) vulnerabilities

Jul 2, 2026
ubuntuUSN-8497-1

Linux kernel (Low Latency) vulnerabilities

Jul 2, 2026
ubuntuUSN-8492-2

Linux kernel vulnerabilities

Jul 2, 2026
ubuntuUSN-8492-1

Linux kernel vulnerabilities

Jul 1, 2026

References

git.kernel.org / stable/c/01b91cb3e748032fd96bbe0043812b426a52f091
Patch
git.kernel.org / stable/c/06162d85f830582da6e9e5fcf9c9504d6da9ae0b
Patch
git.kernel.org / stable/c/3cbe694d235d96f628ec7dc6ae4d8bdddb768699
Patch
git.kernel.org / stable/c/65f2c608096d766540953d9b170d216aa3b5eb95
Patch
git.kernel.org / stable/c/a118724d7641b832fa14323e2733e28ae4834552
Patch
git.kernel.org / stable/c/ba5022162da63059bae36c4fd84d7031f582c71f
Patch
git.kernel.org / stable/c/da46264a7016034a5bbbad034c012ef218b7d0af
Patch
git.kernel.org / stable/c/efcffd9a6ad8d190651498d5eda53bfc7cf683a7
Patch