CVE-2023-52870: clk: mediatek: clk-mt6765: Add check for mtk_alloc_clk_data
Vulnerability summary
CVE-2023-52870 is a medium (CVSS 4.1) NULL Pointer Dereference vulnerability in linux. EPSS estimates a 0.22% chance of exploitation in the next 30 days, higher than 12.3% of scored vulnerabilities.
Not severe (CVSS 4.1, 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-mt6765: 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 · calculated4.1MediumCVSS:3.1/AV:L/AC:H/PR:H/UI:N/S:U/C:N/I:N/A:H
- OSV · DebianEcosystem advisory · calculated4.1MediumCVSS:3.1/AV:L/AC:H/PR:H/UI:N/S:U/C:N/I:N/A:H
- NVDNIST4.1MediumCVSS:3.1/AV:L/AC:H/PR:H/UI:N/S:U/C:N/I:N/A:H
EPSS trend
Probability
0.22%
Chance of exploitation in the next 30 days
Percentile
12%
Versus all other CVEs
30-day change
No change 0.00 pp
From 0.22% 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, administrative account, no user interaction (CVSS vector). Other conditions: not stated in public data.
Ubuntu104 products
- linux< 5.15.0-100.110
- linux-allwinner-5.19All versions (No fix recorded)
- linux-aws< 5.15.0-1056.61
- linux-aws-5.0All versions (No fix recorded)
- linux-aws-5.11All versions (No fix recorded)
Linux2 products
- linux≥ 1aca9939bf72893887cb7e3455e44c864bada2f9, < 2617aa8ceaf30e41d3eb7f5fef3445542bef193a | ≥ 1aca9939bf72893887cb7e3455e44c864bada2f9, < 533ca5153ad6c7b7d47ae0114b14d0333964b946 | ≥ 1aca9939bf72893887cb7e3455e44c864bada2f9, < dd1f30d68fa98eb672c0a259297b761656a9025f | ≥ 1aca9939bf72893887cb7e3455e44c864bada2f9, < 10cc81124407d862f0f747db4baa9c006510b480 | ≥ 1aca9939bf72893887cb7e3455e44c864bada2f9, < b5ff3e89b4e7f46ad2aa0de7e08d18e6f87d71bc | ≥ 1aca9939bf72893887cb7e3455e44c864bada2f9, < b82681042724924ae3ba0f2f2eeec217fa31e830 | 5.8
- linux_kernel≥ 5.8, < 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 · 107 products
