CVE-2023-52858: clk: mediatek: clk-mt7629: Add check for mtk_alloc_clk_data
Vulnerability summary
CVE-2023-52858 is a medium (CVSS 6.2) NULL Pointer Dereference vulnerability in linux. EPSS estimates a 0.25% chance of exploitation in the next 30 days, higher than 16.7% of scored vulnerabilities.
Not severe (CVSS 6.2, local access); no exploitation reported by the 5 checked sources
Source freshness unavailable
How is this decided?Advisory lineage
Upstream 0 · Downstream 10 · Related 10Timeline
- 21-05-2024PublishedVulnerability first disclosed.
- 11-05-2026Last modifiedVulnerability information updated.
Description
In the Linux kernel, the following vulnerability has been resolved: clk: mediatek: clk-mt7629: Add check for mtk_alloc_clk_data Add the check for the return value of mtk_alloc_clk_data() in order to avoid NULL pointer dereference.
CVSS metrics
4 scores · 4 sources · 1 version- OSV · UbuntuEcosystem advisory · calculated6.2MediumCVSS:3.1/AV:L/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
- OSV · DebianEcosystem advisory · calculated6.2MediumCVSS:3.1/AV:L/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
- NVDNIST6.2MediumCVSS:3.1/AV:L/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
EPSS trend
Probability
0.25%
Chance of exploitation in the next 30 days
Percentile
17%
Versus all other CVEs
30-day change
No change 0.00 pp
From 0.25% on 04-10-2026
Known exploited
Compare KEV catalogsNot in the CISA KEV catalog.
Not in the ENISA CNW catalog.
Not in the CIRCL catalog.
Public exploits
0 foundNo public exploits indexed.
Weaknesses
CWE · root causeAffected systems
Known conditions: local access, no authentication, no user interaction (CVSS vector). Other conditions: not stated in public data.
Ubuntu112 products
- linux< 5.4.0-173.191 | < 5.15.0-100.110
- linux-allwinner-5.19All versions (No fix recorded)
- linux-aws< 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≥ 3b5e748615e714711220b2a95d19bd25a037db09, < e8ae4b49dd9cfde69d8de8c0c0cd7cf1b004482e | ≥ 3b5e748615e714711220b2a95d19bd25a037db09, < 4f861b63945e076f9f003a5fad958174096df1ee | ≥ 3b5e748615e714711220b2a95d19bd25a037db09, < e964d21dc034b650d719c4ea39564bec72b42f94 | ≥ 3b5e748615e714711220b2a95d19bd25a037db09, < a836efc21ef04608333d6d05753e558ebd1f85d0 | ≥ 3b5e748615e714711220b2a95d19bd25a037db09, < 1d89430fc3158f872d492f1b88d07262f48290c0 | ≥ 3b5e748615e714711220b2a95d19bd25a037db09, < 5fbea47eebff5daeca7d918c99289bcd3ae4dc8d | ≥ 3b5e748615e714711220b2a95d19bd25a037db09, < 2befa515c1bb6cdd33c262b909d93d1973a219aa | 5.0
- linux_kernel≥ 5.0, < 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 · 115 products