CVE-2026-53021

Summary

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

scsi: target: core: Fix integer overflow in UNMAP bounds check

sbc_execute_unmap() checks LBA + range does not exceed the device capacity, but does not guard against LBA + range wrapping around on 64-bit overflow.

Add an overflow check matching the pattern already used for WRITE_SAME in the same file.

Affected Software

VendorProductVersion RangeStatus
LinuxLinux86d7182985d25900929adce14fffd729cc8c6fb8 < c08ab702c4699c6efb9d60bdb15b73e7a627ee7eaffected
LinuxLinux86d7182985d25900929adce14fffd729cc8c6fb8 < 2e1ed9a7b6ea5bfefb5d80a02b1c71c7dee1f0ddaffected
LinuxLinux86d7182985d25900929adce14fffd729cc8c6fb8 < 5efc3ef4758f8d98c257419fa21daca3227de61aaffected
LinuxLinux86d7182985d25900929adce14fffd729cc8c6fb8 < d7aef29573c7c5cdb2dfad939253287a6329c2a4affected
LinuxLinux86d7182985d25900929adce14fffd729cc8c6fb8 < 3facdecc3fcf115cc4f9b3d8f118d6705e2456a8affected
LinuxLinux86d7182985d25900929adce14fffd729cc8c6fb8 < 51075df70c46e60a9773f2dcd28299e40dac36fbaffected
LinuxLinux86d7182985d25900929adce14fffd729cc8c6fb8 < 02115986d027ade793e7f6be87e91d6a796d0aa3affected
LinuxLinux86d7182985d25900929adce14fffd729cc8c6fb8 < 2bf2d65f76697820dbc4227d13866293576dd90aaffected
LinuxLinux3.10affected
LinuxLinux0 < 3.10unaffected
LinuxLinux5.10.258 <= 5.10.*unaffected
LinuxLinux5.15.209 <= 5.15.*unaffected
LinuxLinux6.1.175 <= 6.1.*unaffected
LinuxLinux6.6.141 <= 6.6.*unaffected
LinuxLinux6.12.91 <= 6.12.*unaffected
LinuxLinux6.18.33 <= 6.18.*unaffected
LinuxLinux7.0.10 <= 7.0.*unaffected
LinuxLinux7.1 <= *unaffected

Weaknesses

References