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high7.8

CVE-2024-27075

In the Linux kernel, the following vulnerability has been resolved: media: dvb-frontends: avoid stack overflow warnings with clang A previous patch worked arou…

Impact

In the Linux kernel, the following vulnerability has been resolved: media: dvb-frontends: avoid stack overflow warnings with clang A previous patch worked around a KASAN issue in stv0367, now a similar problem showed up with clang: drivers/media/dvb-frontends/stv0367.c:1222:12: error: stack frame size (3624) exceeds limit (2048) in 'stv0367ter_set_frontend' [-Werror,-Wframe-larger-than] 1214 | static int stv0367ter_set_frontend(struct dvb_frontend *fe) Rework the stv0367_writereg() function to be simpler and mark both register access functions as noinline_for_stack so the temporary i2c_msg structures do not get duplicated on the stack when KASAN_STACK is enabled.

Affected products

VendorProductAffected versions
LinuxLinux Kernel
from 4.4.168 before 4.5
from 4.9.82 before 4.10
from 4.14.20 before 4.15
from 4.15.4 before 4.19.311
from 4.20 before 5.4.273
from 5.5 before 5.10.214
DebianDebian Linux
Version 10.0

References