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high8.8

CVE-2024-36964

In the Linux kernel, the following vulnerability has been resolved: fs/9p: only translate RWX permissions for plain 9P2000 Garbage in plain 9P2000's perm bits …

Impact

In the Linux kernel, the following vulnerability has been resolved: fs/9p: only translate RWX permissions for plain 9P2000 Garbage in plain 9P2000's perm bits is allowed through, which causes it to be able to set (among others) the suid bit. This was presumably not the intent since the unix extended bits are handled explicitly and conditionally on .u.

Affected products

VendorProductAffected versions
LinuxLinux Kernel
before 4.19.314
from 4.20 before 5.4.276
from 5.5 before 5.10.217
from 5.11 before 5.15.159
from 5.16 before 6.1.91
from 6.2 before 6.6.31
DebianDebian Linux
Version 10.0

References