CVE-2026-46075crypto: atmel-sha204a - Fix potential UAF and memory leak in remove path
Updated under an hour ago ()
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No exploitation reported and no EPSS estimate yet.
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In the Linux kernel, the following vulnerability has been resolved: crypto: atmel-sha204a - Fix potential UAF and memory leak in remove path Unregister the hwrng to prevent new ->read() calls and flush the Atmel I2C workqueue before teardown to prevent a potential UAF if a queued callback runs while the device is being removed. Drop the early return to ensure sysfs entries are removed and ->hwrng.priv is freed, preventing a memory leak.
- CVSS
- 7.8 HIGH (v3.1, NVD)CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
- Weakness (CWE)
- Not given
- Known exploited
- Not in CISA's KEV catalog
- EPSS (exploitation in the next 30 days)
- Not loaded for this CVE
- Assigned by
- Linux
- NVD analysis
- Undergoing Analysis
- Record last updated
- Jun 14, 2026
- First seen by InfoSec Signals
- Oct 9, 2026
Affected products
Linux Linux linux:linux (from the name) | from da001fb651b00e1deeaf24767dd691ae8152a4f5 before 6dbeb0f788582e1ab5dfc3f41994eac0ec88c2b5; from da001fb651b00e1deeaf24767dd691ae8152a4f5 before c5a45d14234bf26e28a89e3a5dcc08336595cf11; from da001fb651b00e1deeaf24767dd691ae8152a4f5 before 775c00d87c385b758da9504cf053acea00e2ed40; from da001fb651b00e1deeaf24767dd691ae8152a4f5 before 1193c12126d39bf986a5a9214827b73707b193ab; from da001fb651b00e1deeaf24767dd691ae8152a4f5 before 31901371ccd16b42d2f167b1018ba9ae8bd5a6c7; from da001fb651b00e1deeaf24767dd691ae8152a4f5 before bab1adf3b87e4bfac92c4f5963c63db434d561c1 | CNA record |
linux linux_kernel linux:linux_kernel | from 5.3 before 6.1.175; from 6.2 before 6.6.140; from 6.7 before 6.12.86; from 6.13 before 6.18.27; from 6.19 before 7.0.4 | NVD |
References
- https://git.kernel.org/stable/c/6dbeb0f788582e1ab5dfc3f41994eac0ec88c2b5patch
- https://git.kernel.org/stable/c/c5a45d14234bf26e28a89e3a5dcc08336595cf11patch
- https://git.kernel.org/stable/c/775c00d87c385b758da9504cf053acea00e2ed40patch
- https://git.kernel.org/stable/c/1193c12126d39bf986a5a9214827b73707b193abpatch
- https://git.kernel.org/stable/c/31901371ccd16b42d2f167b1018ba9ae8bd5a6c7patch
- https://git.kernel.org/stable/c/bab1adf3b87e4bfac92c4f5963c63db434d561c1patch
The CVE record on cve.org NVD's entry
The CVE record is authoritative. Products marked “from the name” were identified from the CNA's free-text names, not a CPE, and are matched less certainly. This product uses the NVD API but is not endorsed or certified by the NVD.