Linux Kernel atmel-sha204a OOM tfm_count Leak
CVE-2026-31391 Published on April 3, 2026
crypto: atmel-sha204a - Fix OOM ->tfm_count leak
In the Linux kernel, the following vulnerability has been resolved:
crypto: atmel-sha204a - Fix OOM ->tfm_count leak
If memory allocation fails, decrement ->tfm_count to avoid blocking
future reads.
Products Associated with CVE-2026-31391
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Affected Versions
Linux:- Version da001fb651b00e1deeaf24767dd691ae8152a4f5 and below 66ee9c1c3575b5d6afc340faca00fd40ed5b7ad9 is affected.
- Version da001fb651b00e1deeaf24767dd691ae8152a4f5 and below 2bfc83cee05f8b9604502df27d94e8e2b4a3dbf1 is affected.
- Version da001fb651b00e1deeaf24767dd691ae8152a4f5 and below 1ab70c260cf16f931a728b2cb63fff5f38c814d8 is affected.
- Version da001fb651b00e1deeaf24767dd691ae8152a4f5 and below 6f502049a96b368ea6646c49d9520d6f69a101fa is affected.
- Version da001fb651b00e1deeaf24767dd691ae8152a4f5 and below fd262dc6d758232511127372eba866b7600739ba is affected.
- Version da001fb651b00e1deeaf24767dd691ae8152a4f5 and below d240b079a37e90af03fd7dfec94930eb6c83936e is affected.
- Version 5.3 is affected.
- Before 5.3 is unaffected.
- Version 6.1.167, <= 6.1.* is unaffected.
- Version 6.6.130, <= 6.6.* is unaffected.
- Version 6.12.78, <= 6.12.* is unaffected.
- Version 6.18.20, <= 6.18.* is unaffected.
- Version 6.19.10, <= 6.19.* is unaffected.
- Version 7.0-rc3, <= * is unaffected.