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Описание
Оригинално описание
In the Linux kernel, the following vulnerability has been resolved: smb: client: discard post-EOF pagecache when extending a file via zero range smb3_zero_range() removed the pagecache only for the range being zeroed, so when it extends the file the folio straddling the old EOF - which may hold data dirtied past EOF through an mmap - was never dropped and became visible as file content once the file was extended. Lower the discard boundary to the smaller of the zero-range offset and the old EOF.
Засегнати продукти
- Linux Linux: 72c419d9b073628d3b5b0b2fc787b724f1a8c726 преди 1ecf89d8efca618e0c758c06b9a1fdde8bd941da; 72c419d9b073628d3b5b0b2fc787b724f1a8c726 преди 03408d15c5405f8dc3e1a114cdce2174027a85f6; 72c419d9b073628d3b5b0b2fc787b724f1a8c726 преди 3df27277f8f95345d4a6c57367824bf1aefdbf66; 72c419d9b073628d3b5b0b2fc787b724f1a8c726 преди 94949b6b2f2bf0dba2e8786aed0b08cc6bc3a183; 72c419d9b073628d3b5b0b2fc787b724f1a8c726 преди b75dadb50a25eed525264bf6fea44fad94e7626f; 72c419d9b073628d3b5b0b2fc787b724f1a8c726 преди 6a8279c98ad289b27c0bdb11adb3f0c0b7fd456d; 72c419d9b073628d3b5b0b2fc787b724f1a8c726 преди da4fe97fb6c730d9c94a115c7bfa6f98e0d578d0
- Linux Linux: 5.1; преди 5.1; 5.15.224 до 5.15.*; 6.1.191 до 6.1.*; 6.6.160 до 6.6.*; 6.12.113 до 6.12.*; 6.18.56 до 6.18.*; 7.2.10 до 7.2.*; 7.3 до *
История
- 18 октомври 2026 Публикувано
Други уязвимости в Linux Linux
Първоизточници
- https://www.cve.org/CVERecord?id=CVE-2026-98686
- https://nvd.nist.gov/vuln/detail/CVE-2026-98686
- https://git.kernel.org/stable/c/1ecf89d8efca618e0c758c06b9a1fdde8bd941da
- https://git.kernel.org/stable/c/03408d15c5405f8dc3e1a114cdce2174027a85f6
- https://git.kernel.org/stable/c/3df27277f8f95345d4a6c57367824bf1aefdbf66
- https://git.kernel.org/stable/c/94949b6b2f2bf0dba2e8786aed0b08cc6bc3a183
- https://git.kernel.org/stable/c/b75dadb50a25eed525264bf6fea44fad94e7626f
- https://git.kernel.org/stable/c/6a8279c98ad289b27c0bdb11adb3f0c0b7fd456d
- https://git.kernel.org/stable/c/da4fe97fb6c730d9c94a115c7bfa6f98e0d578d0