linux: In the Linux kernel, the following vulnerability has been resolved: media: pvrusb2: fix array-index-out-of-bounds in...
CVE-2022-49478 is fixed in linux on 1 platform, first by DEBIAN-CVE-2022-49478, released February 26, 2025. It is not reported as exploited. Patch Radar priority: High.
In the Linux kernel, the following vulnerability has been resolved: media: pvrusb2: fix array-index-out-of-bounds in pvr2_i2c_core_init Syzbot reported that -1 is used as array index. The problem was in missing validation check. hdw->unit_number is initialized with -1 and then if init table walk fails this value remains unchanged. Since code blindly uses this member for array indexing adding sanity check is the easiest fix for that. hdw->workpoll initialization moved upper to prevent warning in __flush_work.
Where it's fixed
| Product | Fixed in | Fix | Released |
|---|---|---|---|
| Linux | |||
| linux · Debian 12.15 (bookworm) | 5.18.5-1 | DEBIAN-CVE-2022-49478 | Feb 26, 2025 |
| linux · Debian 13.5 (trixie) | 5.18.5-1 | DEBIAN-CVE-2022-49478 | Feb 26, 2025 |
| linux · Debian 14 | 5.18.5-1 | DEBIAN-CVE-2022-49478 | Feb 26, 2025 |
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