CVE-2024-53063High· 7.8▾ TwilightIn the Linux kernel, the following vulnerability has been resolved: media: dvbdev: prevent the risk of out of memory access The dvbdev contains a static variable used to store dvb minors. The behavior of it depends if CONFIG_DVB_DYNAM…
▾ Twilight zone — High severity, or a signal on a lesser flaw
impact 42.9 · likelihood 0.1 · exploitation 0
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Stakeholder-Specific Vulnerability Categorization from CISA's ADP record at CVE.org: whether exploitation is observed, whether an attack can be automated, and how much of the system is at stake.
Exploit-prediction probability, daily snapshots since Sep 18.
Disclosure to exploitation, from the record and what we observed since indexing it.
Disclosed via NVD
Last analysed / modified upstream
0.3%
In the Linux kernel, the following vulnerability has been resolved:
media: dvbdev: prevent the risk of out of memory access
The dvbdev contains a static variable used to store dvb minors.
The behavior of it depends if CONFIG_DVB_DYNAMIC_MINORS is set or not. When not set, dvb_register_device() won't check for boundaries, as it will rely that a previous call to dvb_register_adapter() would already be enforcing it.
On a similar way, dvb_device_open() uses the assumption that the register functions already did the needed checks.
This can be fragile if some device ends using different calls. This also generate warnings on static check analysers like Coverity.
So, add explicit guards to prevent potential risk of OOM issues.
linux_kernel >= 2.6.29, < 4.19.324linux_kernel >= 4.20, < 5.4.286linux_kernel >= 5.5, < 5.10.230linux_kernel >= 5.11, < 5.15.172linux_kernel >= 5.16, < 6.1.117linux_kernel >= 6.2, < 6.6.61linux_kernel >= 6.7, < 6.11.8linux_kernel = 6.12Upgrade past the affected range:
linux_kernel 6.11.8Connected by shared product, vendor, weakness, or advisory.
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