CVE-2026-53002

Description

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 [..]

References

• 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