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CVE-2022-50762

fs/ntfs3: Avoid UBSAN error on true_sectors_per_clst()

Published
Last modified
published
Not listed in CISA KEV
Fix
Fixed in 5.15.86, 5.18, 5.19
None on Exploit-DB, Metasploit or GitHub

Summary

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.

Timeline

  1. CVE published
  2. Record last updated

Affected versions

  • Linux Linux

    From 5.15.45 · fixed in 5.15.86; From 5.17.13 · fixed in 5.18; From 5.18.2 · fixed in 5.19

  • Linux Linux

    5.19

References 4

git.kernel.org