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CVE-2023-53786

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CVE-2023-53786

Published: Dec 9, 2025

Modified: May 11, 2026

PUBLISHED

Description

In the Linux kernel, the following vulnerability has been resolved: dm flakey: fix a crash with invalid table line This command will crash with NULL pointer dereference: dmsetup create flakey --table \ "0 `blockdev --getsize /dev/ram0` flakey /dev/ram0 0 0 1 2 corrupt_bio_byte 512" Fix the crash by checking if arg_name is non-NULL before comparing it.

VendorProductVersions

Linux

Linux

affected
a3998799fb4df0b0af8271a7d50c4269032397aa - < f95cb1526669ccdf7eb12eefd57a893953e3595f
affected
a3998799fb4df0b0af8271a7d50c4269032397aa - < 12849ed107c0b2869fb775c81208050899006f07
affected
a3998799fb4df0b0af8271a7d50c4269032397aa - < 337b7af273562b73c46ef77a724604ad139ca762
affected
a3998799fb4df0b0af8271a7d50c4269032397aa - < a1e3fffe02e05c05357af91364ac0fc1ed425b5b
affected
a3998799fb4df0b0af8271a7d50c4269032397aa - < f76fcb9d43ec014ac4a1bb983768696d5b032df9

+4 more versions

Linux

Linux

affected
3.1
unaffected
0 - < 3.1
unaffected
4.14.315 - <= 4.14.*
unaffected
4.19.283 - <= 4.19.*
unaffected
5.4.243 - <= 5.4.*

+6 more versions

References

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