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Assigner | Linux |
Reserved | 2024-02-25 |
Published | 2024-03-02 |
Updated | 2024-11-04 |
In the Linux kernel, the following vulnerability has been resolved: vt: fix memory overlapping when deleting chars in the buffer A memory overlapping copy occurs when deleting a long line. This memory overlapping copy can cause data corruption when scr_memcpyw is optimized to memcpy because memcpy does not ensure its behavior if the destination buffer overlaps with the source buffer. The line buffer is not always broken, because the memcpy utilizes the hardware acceleration, whose result is not deterministic. Fix this problem by using replacing the scr_memcpyw with scr_memmovew.
https://git.kernel.org/stable/c/c8686c014b5e872ba7e334f33ca553f14446fc29
https://git.kernel.org/stable/c/815be99d934e3292906536275f2b8d5131cdf52c
https://git.kernel.org/stable/c/bfee93c9a6c395f9aa62268f1cedf64999844926
https://git.kernel.org/stable/c/57964a5710252bc82fe22d9fa98c180c58c20244
https://git.kernel.org/stable/c/14d2cc21ca622310babf373e3a8f0b40acfe8265
https://git.kernel.org/stable/c/39cdb68c64d84e71a4a717000b6e5de208ee60cc