CVE-2026-98605drm/bridge: samsung-dsim: fix TE GPIO lifetime for host attach
Updated under an hour ago ()
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No exploitation reported and no EPSS estimate yet.
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In the Linux kernel, the following vulnerability has been resolved: drm/bridge: samsung-dsim: fix TE GPIO lifetime for host attach When the Exynos DSI driver was generalized into samsung-dsim, the TE GPIO acquisition was switched from gpiod_get_optional() to devm_gpiod_get_optional() while keeping the matching gpiod_put() calls. That combination is wrong for a managed descriptor. However, dropping the puts and keeping the managed get is also wrong: samsung_dsim_register_te_irq() runs from the DSI host attach callback, and host detach/reattach can happen without destroying the device that owns the managed action. A second attach would then request the GPIO again without having released it. Switch back to a non-managed gpiod_get_optional() and keep the explicit gpiod_put() on the request_irq() error path and in samsung_dsim_unregister_te_irq(). [Luca: remove unnecessary comment]
- CVSS
- Not yet scored
- Weakness (CWE)
- Not given
- Known exploited
- Not in CISA's KEV catalog
- EPSS (exploitation in the next 30 days)
- Not loaded for this CVE
- Assigned by
- Linux
- NVD analysis
- Received
- Record last updated
- Oct 18, 2026
- First seen by InfoSec Signals
- Oct 18, 2026
Affected products
Linux Linux linux:linux (from the name) | from e7447128ca4a250374d6721ee98e3e3cf99551a6 before 77a43e00c57486a5212ef22d4665cafad62a5d4b; from e7447128ca4a250374d6721ee98e3e3cf99551a6 before 5759bbef951c39d264ac0f47daa4137d01403aea; from e7447128ca4a250374d6721ee98e3e3cf99551a6 before ebffd70e4877bb7554974cf975a27872f2bb225f; from e7447128ca4a250374d6721ee98e3e3cf99551a6 before 9b796251c3cca45a33a5c859c6818c58aa982277; from e7447128ca4a250374d6721ee98e3e3cf99551a6 before ada667890773e033d2f40dc94176e3beb930b516 | CNA record |
References
- https://git.kernel.org/stable/c/77a43e00c57486a5212ef22d4665cafad62a5d4b
- https://git.kernel.org/stable/c/5759bbef951c39d264ac0f47daa4137d01403aea
- https://git.kernel.org/stable/c/ebffd70e4877bb7554974cf975a27872f2bb225f
- https://git.kernel.org/stable/c/9b796251c3cca45a33a5c859c6818c58aa982277
- https://git.kernel.org/stable/c/ada667890773e033d2f40dc94176e3beb930b516
The CVE record on cve.org NVD's entry
The CVE record is authoritative. Products marked “from the name” were identified from the CNA's free-text names, not a CPE, and are matched less certainly. This product uses the NVD API but is not endorsed or certified by the NVD.