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CVE PROGRAM SOURCE RECORD7.8 High

CVE-2025-38095

dma-buf: insert memory barrier before updating num_fences

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Status
Published
Published
Updated
Assigning organization
Linux

Description

In the Linux kernel, the following vulnerability has been resolved: dma-buf: insert memory barrier before updating num_fences smp_store_mb() inserts memory barrier after storing operation. It is different with what the comment is originally aiming so Null pointer dereference can be happened if memory update is reordered.

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

  • a590d0fdbaa56f482ff515e1040b6d9b1b200d63 to < 90eb79c4ed98a4e24a62ccf61c199ab0f680fa8faffected
  • a590d0fdbaa56f482ff515e1040b6d9b1b200d63 to < d0b7f11dd68b593bd970e5735be00e8d89bace30affected
  • a590d0fdbaa56f482ff515e1040b6d9b1b200d63 to < 3becc659f9cb76b481ad1fb71f54d5c8d6332d3faffected
  • a590d0fdbaa56f482ff515e1040b6d9b1b200d63 to < c9d2b9a80d06a58f37e0dc8c827075639b443927affected
  • a590d0fdbaa56f482ff515e1040b6d9b1b200d63 to < fe1bebd0edb22e3536cbc920ec713331d1367ad4affected
  • a590d0fdbaa56f482ff515e1040b6d9b1b200d63 to < 08680c4dadc6e736c75bc2409d833f03f9003c51affected
  • a590d0fdbaa56f482ff515e1040b6d9b1b200d63 to < 72c7d62583ebce7baeb61acce6057c361f73be4aaffected

Linux Linux

Default version status: affected

  • 5.0affected
  • 0 to < 5.0unaffected
  • 5.10.241 to ≤ 5.10.*unaffected
  • 5.15.192 to ≤ 5.15.*unaffected
  • 6.1.140 to ≤ 6.1.*unaffected
  • 6.6.92 to ≤ 6.6.*unaffected
  • 6.12.30 to ≤ 6.12.*unaffected
  • 6.14.8 to ≤ 6.14.*unaffected
  • 6.15 to ≤ *unaffected

References