CVE-2026-31391 PUBLISHED

crypto: atmel-sha204a - Fix OOM ->tfm_count leak

Assigner: Linux
Reserved: 09.03.2026 Published: 03.04.2026 Updated: 03.04.2026

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.

Vendor	Linux
Product	Linux
Versions	Default: unaffected affected from da001fb651b00e1deeaf24767dd691ae8152a4f5 to 66ee9c1c3575b5d6afc340faca00fd40ed5b7ad9 (excl.) affected from da001fb651b00e1deeaf24767dd691ae8152a4f5 to 2bfc83cee05f8b9604502df27d94e8e2b4a3dbf1 (excl.) affected from da001fb651b00e1deeaf24767dd691ae8152a4f5 to 1ab70c260cf16f931a728b2cb63fff5f38c814d8 (excl.) affected from da001fb651b00e1deeaf24767dd691ae8152a4f5 to 6f502049a96b368ea6646c49d9520d6f69a101fa (excl.) affected from da001fb651b00e1deeaf24767dd691ae8152a4f5 to fd262dc6d758232511127372eba866b7600739ba (excl.) affected from da001fb651b00e1deeaf24767dd691ae8152a4f5 to d240b079a37e90af03fd7dfec94930eb6c83936e (excl.)

Vendor	Linux
Product	Linux
Versions	Default: affected Version 5.3 is affected unaffected from 0 to 5.3 (excl.) unaffected from 6.1.167 to 6.1.* (incl.) unaffected from 6.6.130 to 6.6.* (incl.) unaffected from 6.12.78 to 6.12.* (incl.) unaffected from 6.18.20 to 6.18.* (incl.) unaffected from 6.19.10 to 6.19.* (incl.) unaffected from 7.0-rc3 to * (incl.)