ALT-PU-2020-2726: package kernel-image-std-pae update to version 5.4.62-alt1
Описание
This update upgrades kernel-image-std-pae to version 5.4.62-alt1.
Устраненные уязвимости6
Связанные уязвимости
ALT-PU-2020-2659: package `kernel-image-std-debug` update to version 5.4.60-alt1
ALT-PU-2020-2660: package `kernel-image-std-def` update to version 5.4.60-alt1
In the Linux kernel 5.0.21 and 5.3.11, mounting a crafted btrfs filesystem image, performing some operations, and then making a syncfs system call can lead to a use-after-free in try_merge_free_space in fs/btrfs/free-space-cache.c because the pointer to a left data structure can be the same as the pointer to a right data structure.
In the Linux kernel 5.0.21 and 5.3.11, mounting a crafted btrfs filesystem image, performing some operations, and then making a syncfs system call can lead to a use-after-free in try_merge_free_space in fs/btrfs/free-space-cache.c because the pointer to a left data structure can be the same as the pointer to a right data structure.
In the Linux kernel 5.0.21 and 5.3.11, mounting a crafted btrfs filesystem image, performing some operations, and then making a syncfs system call can lead to a use-after-free in try_merge_free_space in fs/btrfs/free-space-cache.c because the pointer to a left data structure can be the same as the pointer to a right data structure.