# CVE-2022-50867: linux: In the Linux kernel, the following vulnerability has been resolved:  drm/msm/a6xx: Fix kvzalloc vs state_kcalloc usag...

CVE-2022-50867 is fixed in linux on 1 platform, first by DEBIAN-CVE-2022-50867, released December 30, 2025. It is not reported as exploited. Patch Radar priority: High.

- Web page: https://patchblox.com/security/cve/CVE-2022-50867
- Priority: High
- CVSS: 7.8 (high)
- EPSS: 0.0015
- CISA KEV: not listed
- Exploited (vendor report): no
- Publicly disclosed: no
- Published: Dec 30, 2025

## Description

In the Linux kernel, the following vulnerability has been resolved:  drm/msm/a6xx: Fix kvzalloc vs state_kcalloc usage  adreno_show_object() is a trap!  It will re-allocate the pointer it is passed on first call, when the data is ascii85 encoded, using kvmalloc/ kvfree().  Which means the data *passed* to it must be kvmalloc'd, ie. we cannot use the state_kcalloc() helper.  This partially reverts commit ec8f1813bf8d ("drm/msm/a6xx: Replace kcalloc() with kvzalloc()"), but adds the missing kvfree() to fix the memory leak that was present previously.  And adds a warning comment.  Patchwork: https://patchwork.freedesktop.org/patch/507014/

## Where it's fixed

| Platform | Product | Fixed in | Fix | Released |
|---|---|---|---|---|
| Linux | linux Debian 12.15 (bookworm) | 6.0.7-1 | [DEBIAN-CVE-2022-50867](https://patchblox.com/security/data/fix/linux/debian-cve-2022-50867.md) | Dec 30, 2025 |
| Linux | linux Debian 13.5 (trixie) | 6.0.7-1 | [DEBIAN-CVE-2022-50867](https://patchblox.com/security/data/fix/linux/debian-cve-2022-50867.md) | Dec 30, 2025 |
| Linux | linux Debian 14 | 6.0.7-1 | [DEBIAN-CVE-2022-50867](https://patchblox.com/security/data/fix/linux/debian-cve-2022-50867.md) | Dec 30, 2025 |

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