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Description: lkdtm/bugs: Check for the NULL pointer after calling kmalloc
References:
https://bugzilla.redhat.com/show_bug.cgi?id=2153062
Notes:
bwh> Introduced in 5.7 by commit ae2e1aad3e48e495878d9f149e437a308bfdaefa
bwh> "drivers/misc/lkdtm/bugs.c: add arithmetic overflow and array bounds
bwh> checks".
bwh> This doesn't seem to be a security issue because the *purpose* of
bwh> this driver is to trigger crashes (just not in this specific place).
Bugs:
upstream: released (5.19-rc1) [4a9800c81d2f34afb66b4b42e0330ae8298019a2]
5.10-upstream-stable: released (5.10.122) [56ac04f35fc5dc8b5b67a1fa2f7204282aa887d5]
4.19-upstream-stable: N/A "Vulnerable code not present"
sid: released (5.18.5-1)
5.10-bullseye-security: released (5.10.127-1)
4.19-buster-security: N/A "Vulnerable code not present"
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