CVE-2024-53063
Last modified
CVE-2024-53063 is a medium-severity vulnerability rated 5.5/10 on the CVSS scale. 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. EPSS estimates a 0.27% chance of exploitation in the next 30 days.
Description
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.
Metrics
CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H
Weakness Enumeration
Affected Software
| Vendor | Product | Versions | Update |
|---|---|---|---|
| Linux | Linux Kernel | >= 2.6.29, < 4.19.324 | — |
| Linux | Linux Kernel | >= 4.20, < 5.4.286 | — |
| Linux | Linux Kernel | >= 5.5, < 5.10.230 | — |
| Linux | Linux Kernel | >= 5.11, < 5.15.172 | — |
| Linux | Linux Kernel | >= 5.16, < 6.1.117 | — |
| Linux | Linux Kernel | >= 6.2, < 6.6.61 | — |
| Linux | Linux Kernel | >= 6.7, < 6.11.8 | — |
| Linux | Linux Kernel | 6.12 | Rc1 |
References
Timeline
- Published
- Last Modified
- Status
- Modified
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