CVE-2024-47698: drivers: media: dvb-frontends/rtl2832: fix an out-of-bounds write error
First published: Mon Oct 21 2024(Updated: )
In the Linux kernel, the following vulnerability has been resolved: drivers: media: dvb-frontends/rtl2832: fix an out-of-bounds write error Ensure index in rtl2832_pid_filter does not exceed 31 to prevent out-of-bounds access. dev->filters is a 32-bit value, so set_bit and clear_bit functions should only operate on indices from 0 to 31. If index is 32, it will attempt to access a non-existent 33rd bit, leading to out-of-bounds access. Change the boundary check from index > 32 to index >= 32 to resolve this issue. [hverkuil: added fixes tag, rtl2830_pid_filter -> rtl2832_pid_filter in logmsg]
Credit: 416baaa9-dc9f-4396-8d5f-8c081fb06d67 416baaa9-dc9f-4396-8d5f-8c081fb06d67
| Affected Software | Affected Version | How to fix |
|---|---|---|
| Linux Linux kernel | >=4.0<5.10.227 | |
| Linux Linux kernel | >=5.11<5.15.168 | |
| Linux Linux kernel | >=5.16<6.1.113 | |
| Linux Linux kernel | >=6.2<6.6.54 | |
| Linux Linux kernel | >=6.7<6.10.13 | |
| Linux Linux kernel | >=6.11<6.11.2 | |
| debian/linux | <=5.10.223-1<=5.10.226-1 | 6.1.115-1 6.1.119-1 6.12.5-1 6.12.6-1 |
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Reference Links
- https://git.kernel.org/stable/c/15bea004e939d938a6771dfcf2a26cc899ffd20a
- https://git.kernel.org/stable/c/49b33c38d202d3327dcfd058e27f541dcc308b92
- https://git.kernel.org/stable/c/527ab3eb3b0b4a6ee00e183c1de6a730239e2835
- https://git.kernel.org/stable/c/66dbe0df6eccc7ee53a2c35016ce81e13b3ff447
- https://git.kernel.org/stable/c/6ae3b9aee42616ee93c4585174f40c767828006d
- https://git.kernel.org/stable/c/7065c05c6d58b9b9a98127aa14e9a5ec68173918
- https://git.kernel.org/stable/c/8ae06f360cfaca2b88b98ca89144548b3186aab1
- https://git.kernel.org/stable/c/a879b6cdd48134a3d58949ea4f075c75fa2d7d71
- https://git.kernel.org/stable/c/bedd42e07988dbdd124b23e758ffef7a681b9c60
- https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2024-47698
- https://nvd.nist.gov/vuln/detail/CVE-2024-47698
- https://launchpad.net/bugs/cve/CVE-2024-47698
- https://security-tracker.debian.org/tracker/CVE-2024-47698
- https://ubuntu.com/security/CVE-2024-47698
- https://git.kernel.org/linus/8ae06f360cfaca2b88b98ca89144548b3186aab1
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