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Description: When setting font with malicous data by ioctl cmd PIO_FONT,kernel will write memory out of bounds
References:
https://www.openwall.com/lists/oss-security/2022/07/19/3
Notes:
Bugs:
upstream: released (5.12-rc1) [ff2047fb755d4415ec3c70ac799889371151796d]
5.10-upstream-stable: released (5.10.127) [3acb7dc242ca25eb258493b513ef2f4b0f2a9ad1]
4.19-upstream-stable: released (4.19.250) [b15d5731b708a2190fec836990b8aefbbf36b07a]
sid: released (5.14.6-1)
5.10-bullseye-security: released (5.10.127-1)
4.19-buster-security: released (4.19.260-1)
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