CVE-2023-52865: clk: mediatek: clk-mt6797: Add check for mtk_alloc_clk_data
Vulnerability summary
CVE-2023-52865 is a medium (CVSS 5.5) NULL Pointer Dereference vulnerability in linux. EPSS estimates a 0.24% chance of exploitation in the next 30 days, higher than 15.8% of scored vulnerabilities.
Not severe (CVSS 5.5, local access); no exploitation reported by the 5 checked sources
Source freshness unavailable
How is this decided?Advisory lineage
Upstream 0 · Downstream 13 · Related 13Timeline
- 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-mt6797: 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
3 scores · 3 sources · 1 version- OSV · UbuntuEcosystem advisory · calculated5.5MediumCVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H
- OSV · DebianEcosystem advisory · calculated5.5MediumCVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H
EPSS trend
Probability
0.24%
Chance of exploitation in the next 30 days
Percentile
16%
Versus all other CVEs
30-day change
No change 0.00 pp
From 0.24% 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, low-privilege account, no user interaction (CVSS vector). Other conditions: not stated in public data.
Ubuntu115 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≥ 96596aa06628e86ea0e1c08c34b0ccc7619e43ac, < c26feedbc561f2a3cee1a4f717e61bdbdfb4fa92 | ≥ 96596aa06628e86ea0e1c08c34b0ccc7619e43ac, < 4c79cbfb8e9e2311be77182893fda5ea4068c836 | ≥ 96596aa06628e86ea0e1c08c34b0ccc7619e43ac, < 2705c5b97f504e831ae1935c05f0e44f80dfa6b3 | ≥ 96596aa06628e86ea0e1c08c34b0ccc7619e43ac, < 81b16286110728674dcf81137be0687c5055e7bf | ≥ 96596aa06628e86ea0e1c08c34b0ccc7619e43ac, < 3aefc6fcfbada57fac27f470602d5565e5b76cb4 | ≥ 96596aa06628e86ea0e1c08c34b0ccc7619e43ac, < 357df1c2f6ace96defd557fad709ed1f9f70e16c | ≥ 96596aa06628e86ea0e1c08c34b0ccc7619e43ac, < be3f12f16038a558f08fa93cc32fa715746a5235 | ≥ 96596aa06628e86ea0e1c08c34b0ccc7619e43ac, < 122ac6496e4975ddd7ec1edba4f6fc1e15e39478 | ≥ 96596aa06628e86ea0e1c08c34b0ccc7619e43ac, < 606f6366a35a3329545e38129804d65ef26ed7d2 | 4.12
- linux_kernel≥ 4.12, < 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 · 118 products