CVE-2023-53572: linux Use After Free
CVSS: 7.8v3.1HighModified
AliasesUBUNTU-CVE-2023-53572DEBIAN-CVE-2023-53572
Published 04-10-2025Last modified 05-08-2026
Vulnerability summary
CVE-2023-53572 is a high (CVSS 7.8) Use After Free vulnerability in linux. EPSS estimates a 0.14% chance of exploitation in the next 30 days, higher than 3.1% of scored vulnerabilities.
CVSS score
7.8/10
010
High · v3.1 (NVD)EPSS score
0.14%
0%100%
Low · 0.00 pp in 30 daysKEVNot listedIn no KEV catalog
RansomwareNone recordedNo known use recorded
Public exploits0No public exploits recorded
Advisory lineage
Upstream 0 · Downstream 15 · Related 14Timeline
- 04-10-2025PublishedVulnerability first disclosed.
- 05-08-2026Last modifiedVulnerability information updated.
Description
In the Linux kernel, the following vulnerability has been resolved: clk: imx: scu: use _safe list iterator to avoid a use after free This loop is freeing "clk" so it needs to use list_for_each_entry_safe(). Otherwise it dereferences a freed variable to get the next item on the loop.
CVSS metrics
4 scores · 4 sources · 1 versionHigh 7.8Preferred score · NVD (NIST)
CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:HSources4 sources · 7.0–7.8
- CVE.orgCNA7.0HighCVSS:3.1/AV:L/AC:H/PR:L/UI:N/S:U/C:H/I:H/A:HDiffers
- OSV · UbuntuEcosystem advisory · calculated7.0HighCVSS:3.1/AV:L/AC:H/PR:L/UI:N/S:U/C:H/I:H/A:HDiffers
- 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
0.14%
Chance of exploitation in the next 30 days
Percentile
3%
Versus all other CVEs
30-day change
0.00 pp
From 0.14% on 21-09-2026
21-09-202621-10-2026
EPSS score0.14%
Known exploited
Compare KEV catalogsNot in any of the 3 tracked catalogs.
Public exploits
0 foundNo public exploits indexed.
Weaknesses
CWE · root causeAffected systems
Ubuntu108 products
- linux< 5.15.0-86.96
- linux-allwinner-5.19All versions (No fix recorded)
- linux-aws< 5.15.0-1047.52
- linux-aws-5.0All versions (No fix recorded)
- linux-aws-5.11All versions (No fix recorded)
Linux2 products
- linux≥ 77d8f3068c63ee0983f0b5ba3207d3f7cce11be4, < f95ff838ac39f861d1f95a0f3bbb1e01c2517d79 | ≥ 77d8f3068c63ee0983f0b5ba3207d3f7cce11be4, < 08cc7cd2c2a29a2abf5bceb8f048c0734d3694ba | ≥ 77d8f3068c63ee0983f0b5ba3207d3f7cce11be4, < 3d90921f91fc6a8c801d527bb5848c99e335c1cf | ≥ 77d8f3068c63ee0983f0b5ba3207d3f7cce11be4, < 0a719f0e4b6f233979e219baff73923e76a96e09 | ≥ 77d8f3068c63ee0983f0b5ba3207d3f7cce11be4, < 632c60ecd25dbacee54d5581fe3aeb834b57010a | 5.11
- linux_kernel≥ 5.11, < 5.15.121 | ≥ 5.16, < 6.1.39 | ≥ 6.2, < 6.3.13 | ≥ 6.4, < 6.4.4
Debian1 product
- linux< 6.1.52-1 | < 6.4.4-1
3 vendors · 111 products
