fsi: occ: Prevent use after free

Summary

CVECVE-2022-50785
StatePUBLISHED
AssignerLinux
Source PriorityCVE Program / NVD first with legacy fallback
Published2025-12-30 12:15:44 UTC
Updated2026-08-04 10:18:24 UTC
DescriptionIn the Linux kernel, the following vulnerability has been resolved: fsi: occ: Prevent use after free Use get_device and put_device in the open and close functions to make sure the device doesn't get freed while a file descriptor is open. Also, lock around the freeing of the device buffer and check the buffer before using it in the submit function.

Risk And Classification

Primary CVSS: v3.1 7.8 HIGH from 416baaa9-dc9f-4396-8d5f-8c081fb06d67

CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H

EPSS: 0.001200000 probability, percentile 0.021340000 (date 2026-08-06)


VersionSourceTypeScoreSeverityVector
3.1416baaa9-dc9f-4396-8d5f-8c081fb06d67Secondary7.8HIGHCVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
3.1CNADECLARED7.8HIGHCVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H

CVSS v3.1 Breakdown

Attack Vector
Local
Attack Complexity
Low
Privileges Required
Low
User Interaction
None
Scope
Unchanged
Confidentiality
High
Integrity
High
Availability
High

CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H

Vendor Declared Affected Products

SourceVendorProductVersionPlatforms
CNA Linux Linux affected 008d3825a805557464c5e75f9eb806a3aa2f5e6d 1d5ad0a874ddfcee9f932f54b1d34cbe8b9ddcfe git Not specified
CNA Linux Linux affected 008d3825a805557464c5e75f9eb806a3aa2f5e6d 3593e8efc9f0dac6be70bd5c964eadaa86bf2713 git Not specified
CNA Linux Linux affected 008d3825a805557464c5e75f9eb806a3aa2f5e6d d3e1e24604031b0d83b6c2d38f54eeea265cfcc0 git Not specified
CNA Linux Linux affected 5.16 Not specified
CNA Linux Linux unaffected 5.16 semver Not specified
CNA Linux Linux unaffected 5.19.17 5.19.* semver Not specified
CNA Linux Linux unaffected 6.0.3 6.0.* semver Not specified
CNA Linux Linux unaffected 6.1 * original_commit_for_fix Not specified

References

ReferenceSourceLinkTags
git.kernel.org/stable/c/1d5ad0a874ddfcee9f932f54b1d34cbe8b9ddcfe 416baaa9-dc9f-4396-8d5f-8c081fb06d67 git.kernel.org
git.kernel.org/stable/c/d3e1e24604031b0d83b6c2d38f54eeea265cfcc0 416baaa9-dc9f-4396-8d5f-8c081fb06d67 git.kernel.org
git.kernel.org/stable/c/3593e8efc9f0dac6be70bd5c964eadaa86bf2713 416baaa9-dc9f-4396-8d5f-8c081fb06d67 git.kernel.org
CVE Program record CVE.ORG www.cve.org canonical
NVD vulnerability detail NVD nvd.nist.gov canonical, analysis

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