CVE-2023-52868: thermal: core: prevent potential string overflow
Vulnerability summary
CVE-2023-52868 is a high (CVSS 7.8) Out-of-bounds Write vulnerability in linux. EPSS estimates a 0.24% chance of exploitation in the next 30 days, higher than 14.7% of scored vulnerabilities.
Not severe (CVSS 7.8, local access); no exploitation reported by the 5 checked sources
Source freshness unavailable
How is this decided?Advisory lineage
Upstream 0 · Downstream 11 · Related 11Timeline
- 21-05-2024PublishedVulnerability first disclosed.
- 11-05-2026Last modifiedVulnerability information updated.
Description
In the Linux kernel, the following vulnerability has been resolved: thermal: core: prevent potential string overflow The dev->id value comes from ida_alloc() so it's a number between zero and INT_MAX. If it's too high then these sprintf()s will overflow.
CVSS metrics
3 scores · 3 sources · 1 version- OSV · UbuntuEcosystem advisory · calculated7.8HighCVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
- OSV · DebianEcosystem advisory · calculated7.8HighCVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
EPSS trend
Probability
0.24%
Chance of exploitation in the next 30 days
Percentile
15%
Versus all other CVEs
30-day change
No change 0.00 pp
From 0.24% on 04-10-2026
Known exploited
Compare KEV catalogs
CISA KEVNot in the CISA KEV catalog.
ENISA CNWNot in the ENISA CNW catalog.
CIRCLNot in the CIRCL catalog.
Public exploits
0 foundNo public exploits indexed.
Weaknesses
CWE · root causeAffected systems
Known conditions: local access, low-privilege account, no user interaction (CVSS vector). Other conditions: not stated in public data.
Ubuntu116 products
- linuxAll versions (No fix recorded) | < 5.4.0-173.191 | < 5.15.0-100.110
- linux-allwinner-5.19All versions (No fix recorded)
- linux-awsAll versions (No fix recorded) | < 5.4.0-1120.130 | < 5.15.0-1056.61
- linux-aws-5.0All versions (No fix recorded)
- linux-aws-5.11All versions (No fix recorded)
Linux2 products
- linux≥ 203d3d4aa482339b4816f131f713e1b8ee37f6dd, < b55f0a9f865be75ca1019aad331f3225f7b50ce8 | ≥ 203d3d4aa482339b4816f131f713e1b8ee37f6dd, < 6ad1bf47fbe5750c4d5d8e41337665e193e2c521 | ≥ 203d3d4aa482339b4816f131f713e1b8ee37f6dd, < 3091ab943dfc7b2578599b0fe203350286fab5bb | ≥ 203d3d4aa482339b4816f131f713e1b8ee37f6dd, < 3f795fb35c2d8a637efe76b4518216c9319b998c | ≥ 203d3d4aa482339b4816f131f713e1b8ee37f6dd, < 3a8f4e58e1ee707b4f46a1000b40b86ea3dd509c | ≥ 203d3d4aa482339b4816f131f713e1b8ee37f6dd, < 77ff34a56b695e228e6daf30ee30be747973d6e8 | ≥ 203d3d4aa482339b4816f131f713e1b8ee37f6dd, < 0f6b3be28c4d62ef6498133959c72266629bea97 | ≥ 203d3d4aa482339b4816f131f713e1b8ee37f6dd, < edbd6bbe40ac524a8f2273ffacc53edf14f3c686 | ≥ 203d3d4aa482339b4816f131f713e1b8ee37f6dd, < c99626092efca3061b387043d4a7399bf75fbdd5 | 2.6.25
- linux_kernel≥ 2.6.25, < 4.14.330 | ≥ 4.15, < 4.19.299 | ≥ 4.20, < 5.4.261 | ≥ 5.5, < 5.10.201 | ≥ 5.11, < 5.15.139 | ≥ 5.16, < 6.1.63 | ≥ 6.2, < 6.5.12 | ≥ 6.6, < 6.6.2
Debian1 product
- linux< 6.1.64-1 | < 6.6.8-1
3 vendors · 119 products
