CVE-2026-93223
Published: September 26, 2026Last modified: September 28, 2026
Description
In the Linux kernel, the following vulnerability has been resolved: staging: media: tegra-video: fix of_node_put() on VIP parse errors tegra_vip_channel_of_parse() initializes np from dev->of_node without taking a reference, but its error paths drop one through the err_node_put label. This underflows the refcount of the VIP device's OF node when endpoint parsing fails on a malformed device tree. The only reference the function takes on np is the success-path of_node_get() stored in vip->chan.of_node, and that one is already released by the tegra_vip_init() error path and by tegra_vip_exit(). Return errors directly instead of jumping to the bogus cleanup label.
Status
| Product | Release | Package | Status |
|---|---|---|---|
| Alpaquita Linux | 23 LTS | linux-lts | Not affected (6.1.33-r0) |
| 25 LTS | linux-lts | Fixed (6.12.111-r0) | |
| Stream | linux-lts | Fixed (6.18.53-r0) |
References
- https://git.kernel.org/stable/c/1295ba29ac590bbb5c4a586afd408018168af10b
- https://git.kernel.org/stable/c/656d047dc0c29c0964d840217a0593f16aa9bc5e
- https://git.kernel.org/stable/c/7393372f79db940acff206b43e2905685a0c57ad
- https://git.kernel.org/stable/c/a3783800c9475fa58b8db0885893f96a23f949da
- https://git.kernel.org/stable/c/fc9937019cf7e2fe4e29f9341e6400bcd2cde721