In the Linux kernel, the following vulnerability has been resolved:

netfilter: conntrack: remove sprintf usage

Replace it with scnprintf, the buffer sizes are expected to be large enough
to hold the result, no need for snprintf+overflow check.

Increase buffer size in mangle_content_len() while at it.

BUG: KASAN: stack-out-of-bounds in vsnprintf+0xea5/0x1270
Write of size 1 at addr [..]
 vsnprintf+0xea5/0x1270
 sprintf+0xb1/0xe0
 mangle_content_len+0x1ac/0x280
 nf_nat_sdp_session+0x1cc/0x240
 process_sdp+0x8f8/0xb80
 process_invite_request+0x108/0x2b0
 process_sip_msg+0x5da/0xf50
 sip_help_tcp+0x45e/0x780
 nf_confirm+0x34d/0x990
 [..]

https://git.kernel.org/stable/c/1c9fb8aeed06790d42cdcd00f6c3ce0b9e926c1e

https://git.kernel.org/stable/c/2f793ba78470a99f40389b7dc60a81d9f5ad3956

https://git.kernel.org/stable/c/6bbf829b4c1b44c941c47dd0d710f1393258f3d5

https://git.kernel.org/stable/c/6e7066bdb481a87fe88c4fa563e348c03b2d373d

https://git.kernel.org/stable/c/8e3be0d12615a173fe260cd42753ca7a001acbf2

https://git.kernel.org/stable/c/a8e0a32a23d3f34862af3b4da792ecb3a891a9a3

https://git.kernel.org/stable/c/ab64e61c9323fa6de21bd20da1ddb29a0fb65d34

https://git.kernel.org/stable/c/c08ff52e44945e6ef4ce0790f49ea761b060c45b

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