CVE-2022-50762

published 2025-12-24

CVE-2022-50762: In the Linux kernel, the following vulnerability has been resolved: fs/ntfs3: Avoid UBSAN error on true_sectors_per_clst() syzbot reported UBSAN error as…

Priority P4 20

In the Linux kernel, the following vulnerability has been resolved:

fs/ntfs3: Avoid UBSAN error on true_sectors_per_clst()

syzbot reported UBSAN error as below:

[ 76.901829][ T6677] ================================================================================
[ 76.903908][ T6677] UBSAN: shift-out-of-bounds in fs/ntfs3/super.c:675:13
[ 76.905363][ T6677] shift exponent -247 is negative

This patch avoid this error.

Affected

17 ranges

Vendor	Product	Version range	Fixed in
debian	linux	< linux 6.1.4-1 (bookworm)	linux 6.1.4-1 (bookworm)
linux	linux	—	—
linux	linux	—	—
linux	linux	—	—
linux	linux	>= 5.15.45 < 5.15.86	5.15.86
linux	linux	>= 5.17.13 < 5.18	5.18
linux	linux	>= 5.18.2 < 5.19	5.19
linux	linux	>= 58cf68a1886d14ffdc5c892ce483a82156769e88 < 4b51f27d4448c84957bce190292f75d4896d56b3	4b51f27d4448c84957bce190292f75d4896d56b3
linux	linux	>= a3b774342fa752a5290c0de36375289dfcf4a260 < 8fe280ae85177c2323ae8c9849ff27a3a6b69506	8fe280ae85177c2323ae8c9849ff27a3a6b69506
linux	linux	>= a3b774342fa752a5290c0de36375289dfcf4a260 < 95afb464c86c6e9e95ea9e595282fa6f693072e8	95afb464c86c6e9e95ea9e595282fa6f693072e8
linux	linux	>= a3b774342fa752a5290c0de36375289dfcf4a260 < caad9dd8792a2622737b7273cb34835fd9536cd2	caad9dd8792a2622737b7273cb34835fd9536cd2
linux	linux_kernel	>= 0 < 6.1.4-1	6.1.4-1
linux	linux_kernel	>= 0 < 6.1.4-1	6.1.4-1
linux	linux_kernel	>= 0 < 6.1.4-1	6.1.4-1
linux	linux_kernel	>= 0 < 5.15.86	5.15.86
linux	linux_kernel	>= 5.16.0 < 6.0.16	6.0.16
linux	linux_kernel	>= 5.19.0 < 6.1.2	6.1.2

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