CVE-2026-45871 PUBLISHED

tpm: st33zp24: Fix missing cleanup on get_burstcount() error

Assigner: Linux
Reserved: 13.05.2026 Published: 27.05.2026 Updated: 27.05.2026

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

tpm: st33zp24: Fix missing cleanup on get_burstcount() error

get_burstcount() can return -EBUSY on timeout. When this happens, st33zp24_send() returns directly without releasing the locality acquired earlier.

Use goto out_err to ensure proper cleanup when get_burstcount() fails.

Product Status

Vendor Linux
Product Linux
Versions Default: unaffected
  • affected from bf38b8710892333cec2d8069644eb36ff435fd6f to e0ce3da82341fcd6194175f1837946b2a894c625 (excl.)
  • affected from bf38b8710892333cec2d8069644eb36ff435fd6f to 7687133509cf66ced120b667fefd21f80bf17993 (excl.)
  • affected from bf38b8710892333cec2d8069644eb36ff435fd6f to 1256c6dc96d1e687e6e9b63088156ed07411b00c (excl.)
  • affected from bf38b8710892333cec2d8069644eb36ff435fd6f to a51cff9be046e13e1c1b2fe45d5c48b582ec9b8c (excl.)
  • affected from bf38b8710892333cec2d8069644eb36ff435fd6f to cc09d55f519e15355de343264a22ac6682b8305e (excl.)
  • affected from bf38b8710892333cec2d8069644eb36ff435fd6f to ec15eb67fe9df87981b4829b901ec254273ca483 (excl.)
  • affected from bf38b8710892333cec2d8069644eb36ff435fd6f to 4fffb77d35d038f146e6192da583dbe4971d869e (excl.)
  • affected from bf38b8710892333cec2d8069644eb36ff435fd6f to 3e91b44c93ad2871f89fc2a98c5e4fe6ca5db3d9 (excl.)
Vendor Linux
Product Linux
Versions Default: affected
  • Version 4.1 is affected
  • unaffected from 0 to 4.1 (excl.)
  • unaffected from 5.10.252 to 5.10.* (incl.)
  • unaffected from 5.15.202 to 5.15.* (incl.)
  • unaffected from 6.1.165 to 6.1.* (incl.)
  • unaffected from 6.6.128 to 6.6.* (incl.)
  • unaffected from 6.12.75 to 6.12.* (incl.)
  • unaffected from 6.18.14 to 6.18.* (incl.)
  • unaffected from 6.19.4 to 6.19.* (incl.)
  • unaffected from 7.0 to * (incl.)

References