In the Linux kernel, the following vulnerability has been resolved:
watchdog: msc313e: Fix clock leak and spurious timer in settimeout()
msc313e_wdt_settimeout() unconditionally calls msc313e_wdt_start() which
introduces two severe bugs:
1. If the watchdog is already active, calling start() again will
increase the reference count of the clock again. However stop() is
only called once, the reference count is unbalance.
2. If the watchdog is stopped, calling settimeout() will start
the hardware timer accidentally.
Factor out the register-writing logic into a helper function. Only call
it in settimeout() if the watchdog is running. Otherwise, simply update
`wdev->timeout`.
from e9800b7994642a794afd4894f072541c14277ce8 before 68665016c7b777b44e27b6b0c1e6524c28ebe40a; from e9800b7994642a794afd4894f072541c14277ce8 before 77ef2aa8b46876ca9935f32dd874c517ccf5d880; from e9800b7994642a794afd4894f072541c14277ce8 before a1dd0817776ea2a870ba2347001af13ddd4cb321; from e9800b7994642a794afd4894f072541c14277ce8 before 2152a13ee2a9af09a668ebd053a8dbf771dadb80; from e9800b7994642a794afd4894f072541c14277ce8 before 2abf99a57b0b71b2b97745981f4039370ab78044; from e9800b7994642a794afd4894f072541c14277ce8 before faf1eb2895c87a8c0fb920439dddc7e0d97c6a69; from e9800b7994642a794afd4894f072541c14277ce8 before 3db30f315935c2fb0d95f46b7a593b5b4d3ec3d0
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.
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