CVE-2023-53674
clk: Fix memory leak in devm_clk_notifier_register()
- Published
- Updated
- Reserved
- Assigned by
- Linux
Description
In the Linux kernel, the following vulnerability has been resolved: clk: Fix memory leak in devm_clk_notifier_register() devm_clk_notifier_register() allocates a devres resource for clk notifier but didn't register that to the device, so the notifier didn't get unregistered on device detach and the allocated resource was leaked. Fix the issue by registering the resource through devres_add(). This issue was found with kmemleak on a Chromebook.
Timeline
ID reserved
By Linux
Published
- 10 months later
· 10 months later
Record updated
Changes after publication (a new score, a public exploit, EPSS crossing 1, 10 or 50 %, leaving KEV) are kept since November 2026; earlier ones are not known.
Scores
| Scored by | CVSS | Score | Vector |
|---|---|---|---|
| LinuxCNA (assigner) | 3.1 | High7.8 | CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H |
| NVDNVD · Modified | 3.1 | Medium5.5 | CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H |
- EPSS (exploitation in 30 days)
- 0.16% · top 95% of all CVEs (7 Nov 2026)
The list uses the assigner's score when there is one, then CISA's, then NVD's: High 7.8.
Weakness
Affected products
- affected 6d30d50d037dfa092f9d5d1fffa348ab4abb7163 – < a326cf0107b197e649bbaa2a2b1355894826ce32
- affected 6d30d50d037dfa092f9d5d1fffa348ab4abb7163 – < 49451db71b746df990888068961f1033f7c9b734
- affected 6d30d50d037dfa092f9d5d1fffa348ab4abb7163 – < cb1b04fd4283fc8f9acefe0ddc61ba072ed44877
- affected 6d30d50d037dfa092f9d5d1fffa348ab4abb7163 – < efbbda79b2881a04dcd0e8f28634933d79e17e49
- affected 6d30d50d037dfa092f9d5d1fffa348ab4abb7163 – < 7fb933e56f77a57ef7cfc59fc34cbbf1b1fa31ff
- affected 5.11
- unaffected < 5.11
- unaffected 5.15.121 – ≤ 5.15.*
- unaffected 6.1.39 – ≤ 6.1.*
- unaffected 6.3.13 – ≤ 6.3.*
- unaffected 6.4.4 – ≤ 6.4.*
- unaffected 6.5 – ≤ *
References (5)
- https://git.kernel.org/stable/c/a326cf0107b197e649bbaa2a2b1355894826ce32 (opens in a new tab)
- https://git.kernel.org/stable/c/49451db71b746df990888068961f1033f7c9b734 (opens in a new tab)
- https://git.kernel.org/stable/c/cb1b04fd4283fc8f9acefe0ddc61ba072ed44877 (opens in a new tab)
- https://git.kernel.org/stable/c/efbbda79b2881a04dcd0e8f28634933d79e17e49 (opens in a new tab)
- https://git.kernel.org/stable/c/7fb933e56f77a57ef7cfc59fc34cbbf1b1fa31ff (opens in a new tab)
Sources
The same CVE in the primary databases and aggregators, to check against.
- CVE.org record (opens in a new tab)
- CVE List JSON (GitHub) (opens in a new tab)
- NVD (opens in a new tab)
- FIRST EPSS (opens in a new tab)
- OSV.dev (opens in a new tab)
- GitHub Advisories (opens in a new tab)
- CIRCL Vulnerability-Lookup (opens in a new tab)
Badge for a README or a ticket
[](https://trackcve.app/cve/CVE-2023-53674)Record last updated .