CVE-2024-50291: media: dvb-core: add missing buffer index check
First published: Tue Nov 19 2024(Updated: )
In the Linux kernel, the following vulnerability has been resolved: media: dvb-core: add missing buffer index check dvb_vb2_expbuf() didn't check if the given buffer index was for a valid buffer. Add this check.
Credit: 416baaa9-dc9f-4396-8d5f-8c081fb06d67
| Affected Software | Affected Version | How to fix |
|---|---|---|
| Linux Kernel | >=6.8<6.11.8 | |
| Linux Kernel | =6.12-rc1 | |
| Linux Kernel | =6.12-rc2 | |
| Linux Kernel | =6.12-rc3 | |
| Linux Kernel | =6.12-rc4 | |
| Linux Kernel | =6.12-rc5 | |
| Linux Kernel | =6.12-rc6 | |
| debian/linux | 5.10.223-1 5.10.226-1 6.1.123-1 6.1.128-1 6.12.12-1 6.12.15-1 |
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Reference Links
- https://git.kernel.org/stable/c/721c37af0355cc0b540909c57fd7930dc99c72d8
- https://git.kernel.org/stable/c/fa88dc7db176c79b50adb132a56120a1d4d9d18b
- https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2024-50291
- https://nvd.nist.gov/vuln/detail/CVE-2024-50291
- https://launchpad.net/bugs/cve/CVE-2024-50291
- https://security-tracker.debian.org/tracker/CVE-2024-50291
- https://ubuntu.com/security/CVE-2024-50291
- https://git.kernel.org/linus/fa88dc7db176c79b50adb132a56120a1d4d9d18b
Frequently Asked Questions
What is the severity of CVE-2024-50291?
CVE-2024-50291 has been classified as a medium severity vulnerability in the Linux kernel.
How do I fix CVE-2024-50291?
To fix CVE-2024-50291, upgrade to a patched version of the Linux kernel that includes the buffer index check.
Which versions of the Linux kernel are affected by CVE-2024-50291?
CVE-2024-50291 affects Linux kernel versions from 6.8 to 6.11.8 and all 6.12 release candidates.
What is the impact of CVE-2024-50291?
The impact of CVE-2024-50291 is that it may allow an attacker to exploit a buffer index issue in the dvb-core media subsystem.
Is there a workaround for CVE-2024-50291?
There are no specific workarounds recommended for CVE-2024-50291; the best approach is to apply the available updates.
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