CVE-2025-38095 (GCVE-0-2025-38095)

Vulnerability from cvelistv5 – Published: 2025-07-03 07:44 – Updated: 2025-11-03 19:58
VLAI?
Title
dma-buf: insert memory barrier before updating num_fences
Summary
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.
Severity ?
No CVSS data available.
Assigner
References
Impacted products
Vendor Product Version
Linux Linux Affected: a590d0fdbaa56f482ff515e1040b6d9b1b200d63 , < 90eb79c4ed98a4e24a62ccf61c199ab0f680fa8f (git)
Affected: a590d0fdbaa56f482ff515e1040b6d9b1b200d63 , < d0b7f11dd68b593bd970e5735be00e8d89bace30 (git)
Affected: a590d0fdbaa56f482ff515e1040b6d9b1b200d63 , < 3becc659f9cb76b481ad1fb71f54d5c8d6332d3f (git)
Affected: a590d0fdbaa56f482ff515e1040b6d9b1b200d63 , < c9d2b9a80d06a58f37e0dc8c827075639b443927 (git)
Affected: a590d0fdbaa56f482ff515e1040b6d9b1b200d63 , < fe1bebd0edb22e3536cbc920ec713331d1367ad4 (git)
Affected: a590d0fdbaa56f482ff515e1040b6d9b1b200d63 , < 08680c4dadc6e736c75bc2409d833f03f9003c51 (git)
Affected: a590d0fdbaa56f482ff515e1040b6d9b1b200d63 , < 72c7d62583ebce7baeb61acce6057c361f73be4a (git)
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    Linux Linux Affected: 5.0
Unaffected: 0 , < 5.0 (semver)
Unaffected: 5.10.241 , ≤ 5.10.* (semver)
Unaffected: 5.15.192 , ≤ 5.15.* (semver)
Unaffected: 6.1.140 , ≤ 6.1.* (semver)
Unaffected: 6.6.92 , ≤ 6.6.* (semver)
Unaffected: 6.12.30 , ≤ 6.12.* (semver)
Unaffected: 6.14.8 , ≤ 6.14.* (semver)
Unaffected: 6.15 , ≤ * (original_commit_for_fix)
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  • Seen: The vulnerability was mentioned, discussed, or observed by the user.
  • Confirmed: The vulnerability has been validated from an analyst's perspective.
  • Published Proof of Concept: A public proof of concept is available for this vulnerability.
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  • Not confirmed: The user expressed doubt about the validity of the vulnerability.
  • Not patched: The vulnerability was not observed as successfully patched by the user who reported the sighting.



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