Description: arp: Prevent overflow in arp_req_get().
References:
Notes:
 carnil> Introduced in 1da177e4c3f4 ("Linux-2.6.12-rc2"). Vulnerable versions:
 carnil> 2.6.12-rc2^0.
Bugs:
upstream: released (6.8-rc6) [a7d6027790acea24446ddd6632d394096c0f4667]
6.7-upstream-stable: released (6.7.7) [3ab0d6f8289ba8402ca95a9fc61a34909d5e1f3a]
6.6-upstream-stable: released (6.6.19) [a3f2c083cb575d80a7627baf3339e78fedccbb91]
6.1-upstream-stable: released (6.1.80) [f119f2325ba70cbfdec701000dcad4d88805d5b0]
5.10-upstream-stable: released (5.10.211) [dbc9b22d0ed319b4e29034ce0a3fe32a3ee2c587]
4.19-upstream-stable: needed
sid: released (6.7.7-1)
6.1-bookworm-security: released (6.1.82-1)
5.10-bullseye-security: needed
4.19-buster-security: needed