CVE-2026-90290 PUBLISHED

arm64: hibernate: Restore DAIF state on error

Assigner: Linux
Reserved: 11.09.2026 Published: 17.09.2026 Updated: 17.09.2026

In the Linux kernel, the following vulnerability has been resolved:

arm64: hibernate: Restore DAIF state on error

Sashiko AI has reported that if swsusp_mte_save_tags() for some reason fails we return from swsusp_arch_suspend() with DAIF being masked - that is not what we'd expect. Restore the saved DAIF state before returning from the error path.

Product Status

Vendor Linux
Product Linux
Versions Default: unaffected
  • affected from ee11f332af96a3b5d29586bc6d69b41531f62648 to f5693dfaf28d66e7e880feafd1778d3715869efc (excl.)
  • affected from ee11f332af96a3b5d29586bc6d69b41531f62648 to 2c941f383a53e188cd6fe3a129eb9b52b298e683 (excl.)
  • affected from ee11f332af96a3b5d29586bc6d69b41531f62648 to cb51a05498e755d900900ff4b8503b4da4325996 (excl.)
  • affected from ee11f332af96a3b5d29586bc6d69b41531f62648 to ad3839fe2114bb092846df79edd8d119e148b8c3 (excl.)
  • affected from ee11f332af96a3b5d29586bc6d69b41531f62648 to c8c6835f62a7f9fc68865e85397d13a2dc9210fb (excl.)
  • affected from ee11f332af96a3b5d29586bc6d69b41531f62648 to 519e7de2c4c7b92ef57d4404b7e564aa9be24143 (excl.)
  • affected from ee11f332af96a3b5d29586bc6d69b41531f62648 to 77053624d03359a4e2ec47d7106639ec9a498c2b (excl.)
  • affected from ee11f332af96a3b5d29586bc6d69b41531f62648 to 541549827889d0380fd73f8aacb5de6ef7a5a1ac (excl.)
Vendor Linux
Product Linux
Versions Default: affected
  • Version 5.10 is affected
  • unaffected from 0 to 5.10 (excl.)
  • unaffected from 5.10.270 to 5.10.* (incl.)
  • unaffected from 5.15.221 to 5.15.* (incl.)
  • unaffected from 6.1.188 to 6.1.* (incl.)
  • unaffected from 6.6.157 to 6.6.* (incl.)
  • unaffected from 6.12.110 to 6.12.* (incl.)
  • unaffected from 6.18.52 to 6.18.* (incl.)
  • unaffected from 7.2.6 to 7.2.* (incl.)
  • unaffected from 7.3-rc1 to * (incl.)

References