PT-2026-51896 · Linux · Linux

Published 2026-06-24 · Updated 2026-06-24 · CVE-2026-53002

Mitre

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 [..]

Related Identifiers

CVE-2026-53002

Affected Products

Linux

References · 9

• https://nvd.nist.gov/vuln/detail/CVE-2026-53002 · Security Note
• https://git.kernel.org/stable/c/8e3be0d12615a173fe260cd42753ca7a001acbf2 · Note
• https://git.kernel.org/stable/c/1c9fb8aeed06790d42cdcd00f6c3ce0b9e926c1e · Note
• https://git.kernel.org/stable/c/ab64e61c9323fa6de21bd20da1ddb29a0fb65d34 · Note
• https://git.kernel.org/stable/c/c08ff52e44945e6ef4ce0790f49ea761b060c45b · Note
• https://git.kernel.org/stable/c/a8e0a32a23d3f34862af3b4da792ecb3a891a9a3 · Note
• https://git.kernel.org/stable/c/6e7066bdb481a87fe88c4fa563e348c03b2d373d · Note
• https://git.kernel.org/stable/c/2f793ba78470a99f40389b7dc60a81d9f5ad3956 · Note
• https://git.kernel.org/stable/c/6bbf829b4c1b44c941c47dd0d710f1393258f3d5 · Note