Improper Handling of Exceptional Conditions Affecting kernel package, versions *
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Test your applications- Snyk ID SNYK-RHEL7-KERNEL-8417337
- published 26 Nov 2024
- disclosed 19 Nov 2024
Introduced: 19 Nov 2024
New CVE-2024-53063 Open this link in a new tabHow to fix?
There is no fixed version for RHEL:7 kernel.
NVD Description
Note: Versions mentioned in the description apply only to the upstream kernel package and not the kernel package as distributed by RHEL.
See How to fix? for RHEL:7 relevant fixed versions and status.
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.
References
- https://access.redhat.com/security/cve/CVE-2024-53063
- https://git.kernel.org/stable/c/1e461672616b726f29261ee81bb991528818537c
- https://git.kernel.org/stable/c/3b88675e18b6517043a6f734eaa8ea6eb3bfa140
- https://git.kernel.org/stable/c/5f76f7df14861e3a560898fa41979ec92424b58f
- https://git.kernel.org/stable/c/972e63e895abbe8aa1ccbdbb4e6362abda7cd457
- https://git.kernel.org/stable/c/9c17085fabbde2041c893d29599800f2d4992b23
- https://git.kernel.org/stable/c/a4a17210c03ade1c8d9a9f193a105654b7a05c11
- https://git.kernel.org/stable/c/b751a96025275c17f04083cbfe856822f1658946
- https://git.kernel.org/stable/c/fedfde9deb83ac8d2f3d5f36f111023df34b1684