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Test your applicationsUpgrade SLES:15.5
grub2-snapper-plugin
to version 2.06-150500.29.43.2 or higher.
Note: Versions mentioned in the description apply only to the upstream grub2-snapper-plugin
package and not the grub2-snapper-plugin
package as distributed by SLES
.
See How to fix?
for SLES:15.5
relevant fixed versions and status.
A flaw was found in grub2. A specially crafted JPEG file can cause the JPEG parser of grub2 to incorrectly check the bounds of its internal buffers, resulting in an out-of-bounds write. The possibility of overwriting sensitive information to bypass secure boot protections is not discarded.