CVE-2024-47698
Description
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]
Predictions
Heuristic predictions, AS-IS, for prioritization only.
Mitigations
Vendor advisory: debian — https://security-tracker.debian.org/tracker/CVE-2024-47698
Vendor advisory: suse — https://www.suse.com/security/cve/CVE-2024-47698.html
Vendor advisory: 416baaa9-dc9f-4396-8d5f-8c081fb06d67 — https://git.kernel.org/stable/c/bedd42e07988dbdd124b23e758ffef7a681b9c60
Vendor advisory: 416baaa9-dc9f-4396-8d5f-8c081fb06d67 — https://git.kernel.org/stable/c/a879b6cdd48134a3d58949ea4f075c75fa2d7d71
Vendor advisory: 416baaa9-dc9f-4396-8d5f-8c081fb06d67 — https://git.kernel.org/stable/c/8ae06f360cfaca2b88b98ca89144548b3186aab1
Vendor advisory: 416baaa9-dc9f-4396-8d5f-8c081fb06d67 — https://git.kernel.org/stable/c/7065c05c6d58b9b9a98127aa14e9a5ec68173918
Vendor advisory: 416baaa9-dc9f-4396-8d5f-8c081fb06d67 — https://git.kernel.org/stable/c/6ae3b9aee42616ee93c4585174f40c767828006d
Vendor advisory: 416baaa9-dc9f-4396-8d5f-8c081fb06d67 — https://git.kernel.org/stable/c/66dbe0df6eccc7ee53a2c35016ce81e13b3ff447
Vendor advisory: 416baaa9-dc9f-4396-8d5f-8c081fb06d67 — https://git.kernel.org/stable/c/527ab3eb3b0b4a6ee00e183c1de6a730239e2835
Vendor advisory: 416baaa9-dc9f-4396-8d5f-8c081fb06d67 — https://git.kernel.org/stable/c/49b33c38d202d3327dcfd058e27f541dcc308b92
Vendor advisory: 416baaa9-dc9f-4396-8d5f-8c081fb06d67 — https://git.kernel.org/stable/c/15bea004e939d938a6771dfcf2a26cc899ffd20a
OS impact
| OS | Version | Status | Fixed in |
|---|---|---|---|
| sles | affected | | |
| debian | bookworm | fixed | 6.1.115-1 |
| debian | bullseye | fixed | 5.10.234-1 |
| debian | forky | fixed | 6.11.2-1 |
| debian | sid | fixed | 6.11.2-1 |
| debian | trixie | fixed | 6.11.2-1 |
| debian | 11.0 | affected | |
| linux-kernel | affected | 4.19.323 |
References
- 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://lists.debian.org/debian-lts-announce/2025/01/msg00001.html
- https://lists.debian.org/debian-lts-announce/2025/03/msg00002.html
- https://www.suse.com/security/cve/CVE-2024-47698.html
- https://security-tracker.debian.org/tracker/CVE-2024-47698
CWEs
CWE-787
Verify integrity in audit chain (admin only). AS-IS.