Description: nfp: abm: fix memory leak in nfp_abm_u32_knode_replace
References:
Notes:
 bwh> Introduced in 5.0 by commit 174ab544e3bc "nfp: abm: add cls_u32
 bwh> offload for simple band classification".
 carnil> Commit 78beef629fd9 ("nfp: abm: fix memory leak in
 carnil> nfp_abm_u32_knode_replace") was later on reverted as the
 carnil> commit does not fix anything and resulted as well in bogus
 carnil> CVE-2019-19076.
 carnil> https://lore.kernel.org/lkml/20191204103955.63c4d9af@cakuba.netronome.com/
 carnil> Asked MITRE to properly REJECT the entry.
Bugs:
upstream: released (5.4-rc1) [78beef629fd95be4ed853b2d37b832f766bd96ca]
4.19-upstream-stable: N/A "Vulnerable code not present"
4.9-upstream-stable: N/A "Vulnerable code not present"
3.16-upstream-stable: N/A "Vulnerable code not present"
sid: released (5.3.7-1)
4.19-buster-security: N/A "Vulnerable code not present"
4.9-stretch-security: N/A "Vulnerable code not present"
3.16-jessie-security: N/A "Vulnerable code not present"