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osvGoogleOSV:ASB-A-220741611
HistoryMay 01, 2022 - 12:00 a.m.

Linux kernel bug allows writing to arbitrary files, bypassing file permissions, immutability, snapshots and read-only mounts

2022-05-0100:00:00
Google
osv.dev
23
linux
kernel bug
file writing
permissions
escalation privilege
system libraries
exploitation
user interaction
software

AI Score

8.3

Confidence

High

EPSS

0.121

Percentile

95.4%

In multiple functions of iov_iter.c, there is a possible out of bounds write due to uninitialized data. This could lead to local escalation of privilege in system libraries with no additional execution privileges needed. User interaction is not needed for exploitation.

CPENameOperatorVersion
:linux_kernel:eqKernel