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.
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Thu, 25 Dec 2025 00:15:00 +0000
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Wed, 24 Dec 2025 13:15:00 +0000
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| Description | 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. | |
| Title | fs/ntfs3: Avoid UBSAN error on true_sectors_per_clst() | |
| First Time appeared |
Linux
Linux linux Kernel |
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| CPEs | cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:* | |
| Vendors & Products |
Linux
Linux linux Kernel |
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| References |
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Status: PUBLISHED
Assigner: Linux
Published:
Updated: 2026-05-23T15:25:09.298Z
Reserved: 2025-12-24T13:02:21.545Z
Link: CVE-2022-50762
No data.
Status : Deferred
Published: 2025-12-24T13:16:02.983
Modified: 2026-04-15T00:35:42.020
Link: CVE-2022-50762
OpenCVE Enrichment
No data.
No weakness.