CVE-2022-50762

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.

Affected Software

VendorProductVersion RangeStatus
LinuxLinux58cf68a1886d14ffdc5c892ce483a82156769e88 < 4b51f27d4448c84957bce190292f75d4896d56b3affected
LinuxLinuxa3b774342fa752a5290c0de36375289dfcf4a260 < 8fe280ae85177c2323ae8c9849ff27a3a6b69506affected
LinuxLinuxa3b774342fa752a5290c0de36375289dfcf4a260 < 95afb464c86c6e9e95ea9e595282fa6f693072e8affected
LinuxLinuxa3b774342fa752a5290c0de36375289dfcf4a260 < caad9dd8792a2622737b7273cb34835fd9536cd2affected
LinuxLinux4746c49b11b2403f5b5b07c6eac9e60663dcd9a3affected
LinuxLinuxa2b6986316a2d106f6951e76db70fa4b2fde64a9affected
LinuxLinux5.15.45 < 5.15.86affected
LinuxLinux5.17.13 < 5.18affected
LinuxLinux5.18.2 < 5.19affected
LinuxLinux5.19affected
LinuxLinux0 < 5.19unaffected
LinuxLinux5.15.86 <= 5.15.*unaffected
LinuxLinux6.0.16 <= 6.0.*unaffected
LinuxLinux6.1.2 <= 6.1.*unaffected
LinuxLinux6.2 <= *unaffected

Weaknesses

References