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CVE PROGRAM SOURCE RECORDUnscored

CVE-2025-40031

tee: fix register_shm_helper()

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Status
Published
Published
Updated
Assigning organization
Linux

Description

In the Linux kernel, the following vulnerability has been resolved: tee: fix register_shm_helper() In register_shm_helper(), fix incorrect error handling for a call to iov_iter_extract_pages(). A case is missing for when iov_iter_extract_pages() only got some pages and return a number larger than 0, but not the requested amount. This fixes a possible NULL pointer dereference following a bad input from ioctl(TEE_IOC_SHM_REGISTER) where parts of the buffer isn't mapped.

Affected products

Version statuses are supplied by the assigning organization. Consult the original record for detailed ranges and platform conditions.

Linux Linux

Default version status: unaffected

  • 7bdee41575919773818e525ea19e54eb817770af to < 9338093db954918558677a468d32e77041c65167affected
  • 7bdee41575919773818e525ea19e54eb817770af to < 6a7874ab814ce12003c46a92f7afc9b035c8e8e9affected
  • 7bdee41575919773818e525ea19e54eb817770af to < d5cf5b37064b1699d946e8b7ab4ac7d7d101814caffected

Linux Linux

Default version status: affected

  • 6.8affected
  • 0 to < 6.8unaffected
  • 6.12.53 to ≤ 6.12.*unaffected
  • 6.17.3 to ≤ 6.17.*unaffected
  • 6.18 to ≤ *unaffected

References