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Описание
Оригинално описание
In the Linux kernel, the following vulnerability has been resolved: btrfs: take commit root semaphore when iterating in mark_block_group_to_copy() mark_block_group_to_copy() iterates over the commit root with skip_locking=true. A concurrent transaction commit can swap and free the commit root during iteration, causing use-after-free when accessing extent buffers. Fix it by using path->need_commit_sem to protect the commit root search.
Засегнати продукти
- Linux Linux: 78ce9fc269af6e69c1399ab910ba6bc81c934f67 преди 90242b776df83f8b1ea901f80b568b4fc2318c61; 78ce9fc269af6e69c1399ab910ba6bc81c934f67 преди bffe773f92885603db14047bba0f12089105929e; 78ce9fc269af6e69c1399ab910ba6bc81c934f67 преди 93a025166495c63ba5b8ac721c7040d5312e8335; 78ce9fc269af6e69c1399ab910ba6bc81c934f67 преди 8e2007b263ea250251ec3021a0a197da990ee1a8; 78ce9fc269af6e69c1399ab910ba6bc81c934f67 преди 709f6a5e986535005110c6c69b322f63631cb200; 78ce9fc269af6e69c1399ab910ba6bc81c934f67 преди c32490c6d3f3a9f2d177d57c7eb8bbc347561d08; 78ce9fc269af6e69c1399ab910ba6bc81c934f67 преди 0594e3423f4ba3137c734371169491f9a98e9af4
- Linux Linux: 5.12; преди 5.12; 5.15.224 до 5.15.*; 6.1.191 до 6.1.*; 6.6.160 до 6.6.*; 6.12.112 до 6.12.*; 6.18.54 до 6.18.*; 7.2.8 до 7.2.*; от 7.3 нататък
История
- 6 октомври 2026 Публикувано
Други уязвимости в Linux Linux
Първоизточници
- https://www.cve.org/CVERecord?id=CVE-2026-98245
- https://nvd.nist.gov/vuln/detail/CVE-2026-98245
- https://git.kernel.org/stable/c/90242b776df83f8b1ea901f80b568b4fc2318c61
- https://git.kernel.org/stable/c/bffe773f92885603db14047bba0f12089105929e
- https://git.kernel.org/stable/c/93a025166495c63ba5b8ac721c7040d5312e8335
- https://git.kernel.org/stable/c/8e2007b263ea250251ec3021a0a197da990ee1a8
- https://git.kernel.org/stable/c/709f6a5e986535005110c6c69b322f63631cb200
- https://git.kernel.org/stable/c/c32490c6d3f3a9f2d177d57c7eb8bbc347561d08
- https://git.kernel.org/stable/c/0594e3423f4ba3137c734371169491f9a98e9af4