linux: In the Linux kernel, the following vulnerability has been resolved: erofs: validate the extent length for uncompress...
CVE-2022-50746 is fixed in linux on 1 platform, first by DEBIAN-CVE-2022-50746, released December 24, 2025. It is not reported as exploited. Patch Radar priority: High.
In the Linux kernel, the following vulnerability has been resolved: erofs: validate the extent length for uncompressed pclusters syzkaller reported a KASAN use-after-free: https://syzkaller.appspot.com/bug?extid=2ae90e873e97f1faf6f2 The referenced fuzzed image actually has two issues: - m_pa == 0 as a non-inlined pcluster; - The logical length is longer than its physical length. The first issue has already been addressed. This patch addresses the second issue by checking the extent length validity.
Where it's fixed
| Product | Fixed in | Fix | Released |
|---|---|---|---|
| Linux | |||
| linux · Debian 12.15 (bookworm) | 6.1.4-1 | DEBIAN-CVE-2022-50746 | Dec 24, 2025 |
| linux · Debian 13.5 (trixie) | 6.1.4-1 | DEBIAN-CVE-2022-50746 | Dec 24, 2025 |
| linux · Debian 14 | 6.1.4-1 | DEBIAN-CVE-2022-50746 | Dec 24, 2025 |
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