fs/udf/misc.c · 643b7d0869cc · Dmitry Baryshkov / msm · GitLab

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The migration is almost done, at least the rest should happen in the background. There are still a few technical difference between the old cluster and the new ones, and they are summarized in this issue. Please pay attention to the TL:DR at the end of the comment.

Forked from drm / msm

3 years ago

udf_get_extendedattr() had no boundary checks. · 58bc6d1b

Stian Skjelstad authored 3 years ago and

Jan Kara committed 3 years ago

When parsing the ExtendedAttr data, malicous or corrupt attribute length
could cause kernel hangs and buffer overruns in some special cases.

Link: https://lore.kernel.org/r/20210822093332.25234-1-stian.skjelstad@gmail.com

Signed-off-by: Stian Skjelstad <stian.skjelstad@gmail.com>
Signed-off-by: Jan Kara <jack@suse.cz>

58bc6d1b

udf_get_extendedattr() had no boundary checks.

Stian Skjelstad authored 3 years ago and

Jan Kara committed 3 years ago

When parsing the ExtendedAttr data, malicous or corrupt attribute length
could cause kernel hangs and buffer overruns in some special cases.

Link: https://lore.kernel.org/r/20210822093332.25234-1-stian.skjelstad@gmail.com

Signed-off-by: Stian Skjelstad <stian.skjelstad@gmail.com>
Signed-off-by: Jan Kara <jack@suse.cz>

misc.c 7.94 KiB