fsi: occ: Prevent use after free
Summary
| CVE | CVE-2022-50785 |
|---|---|
| State | PUBLISHED |
| Assigner | Linux |
| Source Priority | CVE Program / NVD first with legacy fallback |
| Published | 2025-12-30 12:15:44 UTC |
| Updated | 2026-08-04 10:18:24 UTC |
| Description | In 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)
| Version | Source | Type | Score | Severity | Vector |
|---|---|---|---|---|---|
| 3.1 | 416baaa9-dc9f-4396-8d5f-8c081fb06d67 | Secondary | 7.8 | HIGH | CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H |
| 3.1 | CNA | DECLARED | 7.8 | HIGH | CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H |
CVSS v3.1 Breakdown
Attack Vector
LocalAttack Complexity
LowPrivileges Required
LowUser Interaction
NoneScope
UnchangedConfidentiality
HighIntegrity
HighAvailability
HighCVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
Vendor Declared Affected Products
| Source | Vendor | Product | Version | Platforms |
|---|---|---|---|---|
| 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
| Reference | Source | Link | Tags |
|---|---|---|---|
| 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 |
No vendor comments have been submitted for this CVE.
There are currently no legacy QID mappings associated with this CVE.